Sodium rhodizonate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 523-21-7 |
| Product name | Sodium rhodizonate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeReagent 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 Sodium rhodizonate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Sodium rhodizonate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Sodium rhodizonate
| Industry | Application | Process |
|---|---|---|
| Analytical Chemistry | Heavy metal ion detection | Used as a colorimetric reagent for spectrophotometric determination of metal ions such as copper and nickel |
| Environmental Monitoring | Water quality analysis | Applied to detect trace heavy metals in water samples via complexation to form colored compounds |
| Materials Science | Chemical reagent synthesis | Employed as an intermediate or ligand in the synthesis of other organometallic complexes |
| Teaching Laboratories | Chemistry education and demonstration | Used in student laboratory experiments to demonstrate qualitative and quantitative analysis of metal ions |
Manufacturing Quality Control of Sodium rhodizonate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Na2C14H8N2O8) | Acid-Base Titration | Direct titration with standardized HCl using methyl orange indicator; based on protonation of azo and carboxylate groups. |
| Moisture Content | Karl Fischer Titration | Quantitative determination of water via iodine-sulfur dioxide reaction in pyridine-methanol medium. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Measurement of absorbance at characteristic wavelengths after atomization in flame or graphite furnace. |
| Sulfate (SO4) | Gravimetric Analysis | Precipitation as BaSO4 followed by ignition and weighing of the dried precipitate. |
| Chloride (Cl) | Argentometric Titration | Titration with silver nitrate using potassium chromate indicator; formation of AgCl precipitate. |
| Iron (Fe) | UV-Vis Spectrophotometry | Formation of colored Fe-phenanthroline complex measured at ~510 nm. |
| pH (1% aqueous solution) | Potentiometric Measurement | Determination using calibrated pH electrode in a 1% w/v aqueous solution at 25 C. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Mass loss measured after heating at 105 C for 2 hours under controlled atmosphere. |
| Residue on Ignition | Ignition and Gravimetry | Residue mass determined after incineration at 600 C until constant weight. |
| Organic Impurities | High-Performance Liquid Chromatography (HPLC) | Separation on reversed-phase column with UV detection at 254 nm; comparison to reference standards. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of solution color to APHA platinum-cobalt standard scale at specified concentration. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from suspended particles to determine size distribution. |
Technical Specifications of Sodium rhodizonate
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.2% |
| Heavy Metals | <=20 ppm |
| Melting Point | 245-249 °C |
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 Sodium rhodizonate
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| Lot/Batch Number | *Required fields | |
Packaging of Sodium rhodizonate
Industrial Sodium rhodizonate 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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