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Erbium Sulfate

    • Product Name Erbium Sulfate
    • Alias Er2(SO4)3
    • Einecs 233-401-6
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    139231

    ChemicalName Erbium Sulfate
    ChemicalFormula Er2(SO4)3
    MolarMass 770.43 g/mol
    Appearance Pink crystalline solid
    SolubilityInWater Soluble
    MeltingPoint Decomposes before melting
    Density 3.72 g/cm3 (anhydrous)
    CASNumber 13510-83-7
    PubChemCID 24657
    Odor Odorless
    pH Acidic (aqueous solution)
    Stability Stable under normal temperatures and pressures

    As an accredited Erbium Sulfate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Erbium Sulfate, 100g, supplied in a sealed, labeled HDPE bottle with tamper-evident cap, for laboratory use only.
    Shipping Erbium Sulfate is typically shipped in tightly sealed containers to prevent moisture absorption and contamination. Packaging materials are compatible with mild, non-hazardous salts. The chemical should be stored and transported in a cool, dry environment. Shipping follows general chemical safety guidelines; erbium sulfate is not classified as a hazardous material by major regulations.
    Storage Erbium sulfate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area. Keep it away from moisture, acids, and incompatible substances. Store at room temperature, avoiding direct sunlight and sources of ignition. Ensure storage containers are clearly labeled and protected from physical damage. Follow all safety guidelines and local regulations for chemical storage.
    Application of Erbium Sulfate

    Applications of Erbium Sulfate in Industrial Manufacturing

    Erbium sulfate provides unique properties for several high-value industrial processes. As a direct manufacturer, we supply this compound for precision-oriented operations where color stability, spectral performance, and controlled doping are essential. Below, we outline key downstream sectors and address the specific application workflow, compliance standards, dosage rationale, and finished product categories relevant to each industry.

    1. Optical Fiber Production for Telecommunications

    Fiber optic manufacturers utilize erbium-based compounds during the doping process to enhance light amplification within silica fibers. The sulfate form enables stable and homogeneous incorporation of erbium ions during vapor deposition or solution doping, critical for optical amplifiers in data transmission. Close control over impurity profiles and stoichiometry ensures consistent gain characteristics in erbium-doped fiber amplifiers (EDFAs), which remain central to high-capacity telecommunication infrastructure.

    Industry compliance standards

    • IEC 60793-2-50: Optical fibres — Product specifications
    • ITU-T G.652, G.655, G.657 standards for single mode fiber
    • Telcordia GR-20 Core
    • ISO 9001:2015 for manufacturing and quality management

    Typical usage ratio

    • 0.1–1.0 mol% Er3+ relative to Si, adjusted by target gain-bandwidth and specific amplifier requirements; controlled during solution or vapor phase doping

    Downstream process integration

    • Enters as erbium sulfate aqueous solution or melted salt during Modified Chemical Vapor Deposition (MCVD), Outside Vapor Deposition (OVD), or solution doping steps for preform fabrication

    Final product types

    • Telecommunications-grade erbium-doped optical fibers (EDFs)
    • Optical amplifiers (EDFAs)
    • Wavelength-Division Multiplexing (WDM) system components
    • High-speed fiber optic modules

    2. Specialty Glass Manufacturing

    Advanced glassmakers add erbium sulfate to high-silica and phosphate glass formulations to impart characteristic pink or mauve tints and confer selective infrared absorption. The compound also allows for precise spectroscopic adjustment, which is essential in medical laser windows, laser host materials, and decorative glass elements. Uniform solubility and low contaminant levels support strict batch reproducibility and optical quality specifications in colored and functional glasses.

    Industry compliance standards

    • ASTM C1036: Standard Specification for Flat Glass
    • DIN EN 1748-1-1: Glass in building – Special basic products
    • REACH Regulation (EC) No 1907/2006 for handling rare earths
    • ISO 14001:2015 Environmental management in glass production

    Typical usage ratio

    • 0.2–0.8 wt% as Er2(SO4)3 within glass batch; dosage adjusted based on desired optical density and color strength

    Downstream process integration

    • Added directly to frits or glass batch mixtures prior to melting; disperses uniformly during furnace melting or float process to create colored bulk or specialty glasses

    Final product types

    • Pink-tinted architectural glass panels
    • Laser host glasses for dental or ophthalmic lasers
    • Decorative glassware and lampwork art
    • Infrared-absorbing glass filters

    3. Ceramic Pigment Synthesis

    Producers of advanced ceramics incorporate erbium salts as chromophores to manufacture stable pink, lilac, or mauve ceramic pigments. The sulfate’s high solubility and fine particle profile support uniform blending in wet-milling and calcination processes, resulting in consistently distributed color throughout ceramic glazes and bodies. Erbium's thermal and photostability enable use in both tile glazes and technical ceramics exposed to severe process conditions.

    Industry compliance standards

    • ISO 8142: Ceramic pigments — Methods of test
    • DIN EN 14411: Ceramic tiles — Definitions, classification, characteristics
    • ASTM C373: Water Absorption, Bulk Density, Apparent Porosity of Ceramic Whiteware
    • EU Regulation (EC) No 1935/2004 (for ceramics intended for food contact)

    Typical usage ratio

    • 0.3–2.5 wt% as Er2(SO4)3 of total pigment batch; precise ratio based on shade intensity and desired ceramic matrix

    Downstream process integration

    • Added during pigment synthesis via wet blending, then calcined with host oxides (e.g., zirconia, alumina) at 900–1200 °C to fix color and ensure lattice incorporation

    Final product types

    • Decorative glazes for tiles and sanitaryware
    • Pigmented advanced technical ceramics
    • Ceramic beads for jewelry and art
    • Colored porcelain kitchenware

    4. Rare Earth Catalyst Manufacturing

    Producers of specialty catalysts for hydrogenation, dehydrogenation, and petroleum refining blend erbium compounds to modify catalyst acidity and introduce redox activity. Erbium sulfate offers excellent dispersion and compatibility with other rare earth salts in multi-component catalyst precursors. Its controlled addition supports the manufacture of mixed-oxide or zeolite catalysts, used in processes that demand reliable conversion efficiency and stability under reactive conditions.

    Industry compliance standards

    • ISO 9001:2015 for catalyst production
    • API RP 942: Pressure Relief of Catalytic Reactors
    • REACH registration for catalyst ingredients
    • Responsible Care® Product Stewardship Standard

    Typical usage ratio

    • 0.05–0.5 wt% erbium (expressed as Er3+) relative to total catalyst mass; ratio adjusted by support type and targeted catalytic properties

    Downstream process integration

    • Blended with alumina, silica, or zeolite supports during impregnation or co-precipitation steps prior to activation and calcination

    Final product types

    • Hydrogenation catalysts for chemical synthesis
    • Cracking catalysts for refinery applications
    • Selective oxidation/dehydrogenation catalysts
    • Rare earth–modified FCC (fluid catalytic cracking) catalyst powders

    5. Phosphor Formulation for Lighting and Display

    The phosphor industry relies on erbium sulfate when synthesizing doped oxide or oxysulfide phosphors for specialty lighting and visual display panels. Erbium-containing phosphors deliver narrow emission in the green and red spectral region, critical for high-resolution display backlights and niche lighting solutions. Using erbium sulfate as a precursor ensures uniform incorporation and controlled particle morphology throughout solid-state synthesis and subsequent screen-printing or suspension processes.

    Industry compliance standards

    • IEC 60081: Double-capped fluorescent lamps—Performance specifications
    • RoHS Directive 2011/65/EU (use of hazardous substances in electronics)
    • ISO 14001 for waste and emissions management
    • JIS C 7601: Phosphors—General rules for phosphor coatings

    Typical usage ratio

    • 0.15–1.2 mol% as Er relative to host lattice, commonly adjusted to optimize emission intensity and color purity in multi-component phosphor systems

    Downstream process integration

    • Integrated during precursor co-precipitation or solid-state mixing, followed by high-temperature sintering to form the activated phosphor phase; used in subsequent slurry or paste preparations for lamp and display panel manufacture

    Final product types

    • Backlight phosphors for LCD and OLED panels
    • Tri-band and specialty fluorescent lamp phosphors
    • Security printing pigments
    • Remote phosphor elements for LEDs and high-CRI lighting

    6. Analytical Reagent Preparation in Laboratory and Environmental Testing

    Manufacturers of analytical standards and laboratory reagents employ erbium sulfate as a precise calibration source for spectrophotometric wavelength calibration. The material’s purity and defined absorption bands allow for reliable reference solution preparation, used in quality control, analytical chemistry, and process laboratories. Automatic dilution systems and robotic analyzers require consistent reagent supply with guaranteed lot uniformity and traceability.

    Industry compliance standards

    • ISO/IEC 17025: Calibration laboratories – General requirements
    • ASTM E275: Practice for Describing and Measuring Performance of Ultraviolet, Visible, and Near-Infrared Spectrophotometers
    • Ph. Eur./USP standards for reference materials (where applicable)
    • Good Laboratory Practice (GLP) guidelines

    Typical usage ratio

    • Standard concentrations: 20 mg/L–100 mg/L erbium ion in aqueous solution; adjusted for instrument calibration range and absorption cell size

    Downstream process integration

    • Dissolved in high-purity water to prepare certified analytical standards and calibration solutions for spectrophotometer validation or instrument maintenance

    Final product types

    • Spectrophotometric calibration solutions
    • Analytical calibration kits
    • Reference materials for quality assurance labs
    • Certified reference solutions for instrument manufacturers
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    Certification & Compliance
    More Introduction

    Erbium Sulfate: Crafted at Source by Industry Chemists

    The Value in a High-Purity Erbium Sulfate

    Decades in chemical production leave you with a healthy skepticism for shortcuts and a deep respect for carefully managed batch processes. Our team supervises each step, from raw ore processing to the final filtration of erbium sulfate. Each lot reflects hands-on adjustments made according to actual readings and microscope observation, not simply instruments whirring behind glass. Our model of erbium sulfate avoids contamination with iron or other rare earths that complicate results in high-spec applications. The old school actually builds on the discipline of hydrometallurgy, managing the crystal formation rate so the end result doesn’t become hard to dissolve or difficult to measure. Years of direct manufacturing experience point toward details unseen on the datasheet but vital in your lab or factory.

    What Sets Our Erbium Sulfate Apart

    Every chemist has opened a drum of rare earths that looked identical on a simple inspection but failed in a reaction or at the purity controls. Minor trace elements or persistent moisture play havoc with catalysts, ceramics, and advanced glass. That is why the focus stays on repeatability and transparency. We invest in deeper purification and separate lines across production shifts to minimize cross-contamination—not as a marketing spin but as a measure rooted in real production history. A simple sulfate used to color glass purple or to seed a fiber optic preform can make or break a week’s output at the furnace or the fiber draw tower. Small deviations in particle size turn into blotchy color or uneven light transmission. Our plant design reduces water carryover and controls drying rates directly, so the product handles smoothly in chemical reactors and blends predictably. These controls only matter if you’ve stood at the reactor and watched a problematic batch cost you days.

    Model, Specifications, and Deliverable Forms

    Our erbium sulfate typically ships as a crystalline powder, with a product code that defines the batch for traceability. We retain archived samples and detailed logs, so labs rehabbing old equipment or troubleshooting a process get answers, not stock responses. Water solubility falls in a narrow range due to a strict check on both particle size and residual soda from the precipitation stage. Samples are reviewed for free-flowing properties, without excipients or synthetics. Residue on ignition and chloride levels fall below the detection of standard reagents, giving you less baseline interference during analysis or compounding.

    The core of manufacturing quality ties back to pre-dosing and acid-washing cycles that flush out any cling-ons from prior runs. Structure matters: arrhythmic crystals can trap trace moisture, so our drying beds run longer than most bulk producers. That extra time does not show up in the initial appearance, but it means less hassle when mixing into solution after months on the shelf. The ability to dissolve quickly and respond consistently reflects as much on our team’s habits as the process chemistry. We have learned which impurities sneak through standard stages, so we run tests for micro-traces—backed by in-house mass spec and x-ray fluorescence units calibrated on reference standards, not just certificates.

    Applications and the Small Details That Matter

    Clients across glassmaking, fiber optics, research, and catalysis find our erbium sulfate combines predictability with hands-on support. High-purity rare earth sulfates underpin the deep-pink tint in glass, giving automotive or architectural panels a signature hue without unpredictable streaking. In our circuit glass collaborators’ words, reliable sulfate means less time wasted on batch corrections and scrap.

    Besides coloring, erbium sulfate shines in laser and fiber optic manufacturing. It takes meticulous control to dope optical fibers so that light amplifies without excessive loss or error in waveguides. Even tiny contamination leads to signal loss or cloudy fiber preforms, raising costs for optical cable manufacturers. Our detailed reports give optical engineers the confidence to push system specs with consistent erbium content shot through each process lot, not wild swings in concentration.

    Lab and catalyst users recognize another key benefit: reproducible reactivity. Once you’ve endured a failed catalysis run due to an outlier sulfate, you start asking for direct links between certificates and actual in-factory results. We maintain those links—pairing every certificate with additional archived testing. Our engineers regularly consult with customers to troubleshoot unexpected reactivity differences, relying on years of feedback across chemistry fields.

    Real Manufacturing Means Knowing the Risks

    It’s one thing to list low impurity content or tight sieve cut; it’s another to guarantee repeatability across drums shipped ten months apart or across changing contract sources. Over the years, we have seen what happens when a supplier stretches inventory with off-spec material or skips proper packaging. Clumped sulfates, invisible moisture reuptake, and reduced shelf life can lead to budget overruns and lost production cycles.

    We have resolved these issues by maintaining not just purity but batch record transparency. Each container carries a batch-linked data log, stored in accessible format, and every drum remains sealed with dual-barrier packaging. Desiccant packs are sized according to exact fill weight, not rough estimates, which minimizes hydroscopic caking and preserves flow through processing equipment months later. There is no guesswork behind these protocols—they come from resolving real customer complaints that only manufacturing veterans ever hear about.

    Many clients operate in regulatory environments where downstream traceability is the difference between compliance and fines. Our batch reporting goes beyond the surface, offering full audit trails for key metals, sulfate levels, and trace contaminants. We run quality controls on each process stage, not simply final goods, drawing on experience learned the hard way from missed regulatory filings. This upstream attention gives customers confidence in audits, new certifications, and scaling up from kilo to multi-ton deliveries.

    Supporting Real Chemistry with Practical Logistics

    Rare earths move through the supply chain, facing shipping delays, storage fluctuations, and the occasional customs surprise. Years in the export and domestic logistics trenches revealed what process breaks down first: not always the purity itself, but poor labeling, unreadable documentation, or subpar drum seals. We train every shipping line team for accurate decontamination protocols before and after filling—no half-measures.

    Incoming customer feedback helps us make the process even smoother. Adjustable drum sizes give companies from university labs to large-furnace fiber operators a workable solution, so smaller buyers don’t pay large-user surcharges. Our plant keeps separate storage for finished product and in-process lots, so there’s no risk of cross-dusting or mislabeling between orders. Inventory is managed by experienced staff with years in specialty chemicals, preventing the mixing errors that can undermine even the best batch process.

    Where Erbium Sulfate Succeeds over Other Salts

    Comparing between an in-house produced erbium sulfate and a generic vendor blend turns into a lesson in chemistry. Factory control over source raw material and process purity means you get a sharper spectral signature, less spectrometer drift, and improvements during downstream reactions. We have run head-to-head comparisons in glass production, noting crisper color and fewer batch adjustments with internal product versus third-party sources. Our own testing with electron microprobe analysis tells the story: less interference from mid-level rare earths, and lower sodium or potassium contamination from earlier washing.

    Other salts—be they cheap chlorides, nitrates, or sulfides—often bring trace instability that complicates advanced processes. For instance, chloride-based erbium compounds introduce halides that can corrode equipment or react untowardly in fiber doping. Sulfates, with controlled water of hydration, dissolve predictably, so glass and fiber compounds maintain their shape and function in solution. We pay attention to how each batch interacts with typical solvents and acids, based not just on standard curves but field results. Why does this matter? We know from client stories—like a researcher chasing high-performance fiber lasers—how small deviations translate into wasted days.

    Further, in high-reactivity settings, like redox reactions, nitrate or chloride salts sometimes cause undesired byproducts or catalyze side reactions. Our team has solved more than one puzzle where switching to a clean sulfate means an overnight drop in waste formation or better yields in targeted syntheses. This comes from an open-door approach; every plant manager and process chemist in our team takes customer questions seriously, treating each request as a chance to learn as much as to resolve.

    Bridging Customer Experience and Plant Practice

    Our approach draws from listening to customers across decades: senior engineers frustrated by inconsistent foreign supply, researchers needing repeat batches for grants, and line chemists wanting faster dissolution and ease in blending. These conversations direct our internal training and tweaks to the process. For example, feedback about caking in humid climates pushes us to tighten drum sealing protocols and packaging improvements. Discussions over assay shifts in analytical runs provoked a deeper dive into reagent filtering and lead-in water checks.

    We keep our own feedback loop sharp by retaining both raw and finished batch samples for historical cross-checking. Any reported shift in solubility or reactivity triggers a review of old logs and a re-run of analytical chemistry tests. Alerts about changing regulatory thresholds—for instance, new limits on certain transition metals or processing aids—mean immediate plant meetings and procedural updates. This way, erbium sulfate production keeps pace not just with technology shifts, but with the industry’s shifting regulatory and operating landscape.

    Long-Term Reliability in Each Ton

    For those who’ve tracked the cost of downtime, off-spec batch correction, and lost development time, supply reliability matters more than boastful claims about lab-scale performance. Our model for erbium sulfate rests on two principles: earn trust each batch, and build relationships that withstand supply shocks and shifting standards.

    Supply chain disruption taught us valuable lessons during global raw material shortages. We invested in secondary sourcing and in-house capacity expansions, led by staff with dust on their boots. We bought and rehabbed older reactor vessels, added filtration redundancy, and re-trained staff on manual impurity removal techniques. That redundancy pays back now, as frequent supply interruptions become par for the industry. Our customers count on shipment dates rather than window dressing.

    Contract partners often operate in critical infrastructure sectors. The control over batch records and the practical approach to batch testing help meet every audit and traceability checkpoint. Working closely with contract QA teams, we address specific assay or residue concerns, strengthening partnership rather than hiding behind standard docs. Open communication, regular reviews, and batch sample retention become not extra perks, but company policy.

    Walking the Talk with On-the-Ground Support

    We do not hide behind automated help desks. Process chemists field direct technical queries. If a lab finds unexpected residue, a senior technician walks through their procedures and sends fresh controls—using former lab heads with years’ tenure and hands-on repair experience. Our training focuses on building judgement: operators double-check for off-color caking and unplanned lot splitting without waiting for downstream complaints.

    Delivery teams log each drum’s location, expected use window, and customer configuration. We run informal audits on actual shelf-life performance and feed those numbers back into packaging decisions. When a lab reports a new analyte interference, we adjust internal standards and train staff to react accordingly. That puts the focus on continual improvement built up from thousands of field insights, not top-down policy decrees.

    Futureproofing Through Real-World Adaptation

    Technology in rare earths shifts quickly. Erbium sulfate used in yesterday’s optical lines might fall short in tomorrow’s quantum communication or photonic crystal projects. Staying ahead requires not just synthetic chemistry, but direct collaboration with customers on emerging needs. Our team attends process audits at customer facilities, learns the intricacies of their melting protocols, and witnesses first-hand where tolerance boundaries lie.

    Process improvements flow both ways. Customer troubleshooting flows back upstream: reports of unexpected scaling, crystal size changes after extended storage, or unique reactivity shifts prompt new test schedules and sometimes, plant process revamps. The operational agility stems from ownership of the raw-to-finish process—a manufacturer’s advantage, not something resellers can replicate.

    We prioritize the integration of safe production and environmental best practices. Process water reclamation, closed-loop acid management, and responsible tailings disposal reflect industry best-practices learned through field failures and regulatory change. Our team remains vigilant about evolving safety documentation and shipping standards, ensuring customers stay ahead of the compliance curve. This holds true whether we supply a development lab or a mass production operation—trust is built on knowing each batch and every logistic handoff.

    In Summary: Proven Experience Means Better Results

    Erbium sulfate production is not about minimum specs or fastest output. The journey from earth to finished sulfate in your barrel involves careful, direct handling at every step. The trust our customers place in our product comes from visible consistency, not just a clean certificate. On-the-ground experience taught us to focus on small differences—reliably dry barrels, trace element checks, practical packaging, and real support calls—making sure what leaves the plant serves its purpose every time.

    Any company can promise purity. We deliver on those promises batch after batch: controlled, traceable, ready to perform—because our reputation depends on it.