AMMONIUM CHROMATE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7788-98-9 |
| Product name | AMMONIUM CHROMATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for AMMONIUM CHROMATE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk AMMONIUM CHROMATE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of AMMONIUM CHROMATE
| Industry | Application | Process |
|---|---|---|
| Chemical Reagents | Used as an analytical reagent for detecting metal ions or redox reactions | Prepared in the laboratory as a standard solution or employed as an oxidizing agent in chemical reactions |
| Electroplating Industry | Used as a component of chromate plating baths to enhance coating corrosion resistance | Added to the electrolyte during electroplating to form a chromium protective layer via electrodeposition |
| Coatings and Pigments | Serves as a precursor for chromium-based pigments, used in the production of red or yellow pigments | Thermally decomposed or chemically reacted to produce chromate pigments (e.g., chrome yellow) |
| Catalyst Preparation | Serves as a precursor material for preparing certain metal catalysts | Decomposed at elevated temperatures to yield active components such as chromium oxide for catalytic applications |
| Wood Preservation | Used as a component of wood preservatives | Impregnated into wood using a pressure treatment process to improve resistance to decay |
Manufacturing Quality Control of AMMONIUM CHROMATE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (NH4)2CrO4 | Acid-Base Titration | Direct titration with standardized HCl after dissolution and pH adjustment to determine ammonium content. |
| Chromium Content | ICP-OES | Quantification of total Cr by plasma excitation and emission spectral intensity measurement. |
| Heavy Metals (Pb, Cd, Ni, Fe) | ICP-OES or AAS | Multi-element quantification via atomic emission or absorption after acid digestion. |
| Water Insolubles | Gravimetric Analysis | Filtration of aqueous suspension followed by drying and weighing of residue. |
| Loss on Drying | Thermogravimetric Analysis | Mass loss measured after heating at 105 C to determine volatile and moisture content. |
| pH of Aqueous Solution | Potentiometric Titration | Measurement using calibrated pH electrode in 1% w/v aqueous solution. |
| Chloride Impurity | Argentometric Titration | Titration with standardized AgNO3 using K2CrO4 indicator for endpoint detection. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Precipitation as BaSO4 after acidification and chloride removal, followed by ignition and weighing. |
| Ammonia Volatility | Distillation-Titration | Steam distillation of NH3 from alkaline solution into boric acid, followed by acid titration. |
| Nitrate Impurity | UV-Vis Spectrophotometry | Determination via diazotization-coupling reaction forming colored azo dye measured at ~540 nm. |
| Appearance and Color | Visual Inspection | Comparison against standard white crystalline reference under controlled lighting. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to calculate size distribution of dry powder. |
Technical Specifications of AMMONIUM CHROMATE
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm |
| Total Impurities | <=1.5% |
| Solubility | Freely soluble in water; insoluble in ethanol |
| Odor | Characteristic faint ammoniacal odor |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of AMMONIUM CHROMATE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of AMMONIUM CHROMATE
Industrial AMMONIUM CHROMATE Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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