Insight

Sodium Tungstate Specs: Analytical Reagent Vs Technical Grade

Procurement teams often face critical delays when technical grade materials fail to meet R&D purity thresholds, causing batch inconsistencies in catalytic applications and compromising final product quality.

Detailed Chemical Synthesis Route and Reaction Mechanism

The production of Sodium tungstate typically begins with the digestion of tungsten ores using alkali solutions. This Manufacturing process involves reacting tungsten trioxide or scheelite with sodium hydroxide or sodium carbonate under controlled thermal conditions. For organizations requiring detailed technical insights, we recommend reviewing our guide on High Purity Na2Wo4 Synthesis Route Manufacturing Process. At NINGBO INNO PHARMCHEM CO.,LTD., we optimize these reaction parameters to ensure minimal impurity carryover, which is critical for downstream applications ranging from catalysts to fireproofing agents.

Technical Specifications and Analytical Methods

Distinguishing between Industrial grade and Analytical reagent specifications is vital for cost-efficiency and performance. While Industrial grade suffices for bulk metallurgy, R&D laboratories demand High purity levels with verified COA documentation. As a leading Chemical supplier, we provide rigorous testing for Sodium Tungstate Dihydrate to ensure compliance with global standards. The table below outlines the key differentials in specification limits.

ParameterAnalytical Reagent GradeTechnical Grade
Assay (Na2WO4ยท2H2O)99.0% - 101.0%99.0% minimum
Clarity of SolutionClear (2% solution)Slight haze acceptable
Chloride (Cl)0.005% maximum0.02% maximum
Sulfate (SO4)0.01% maximum0.05% maximum
Iron (Fe)0.001% maximum100 ppm maximum
Insoluble Matter0.01% maximum0.05% maximum
pH (5% solution)8.0 - 10.08.0 - 11.0

Industrial Packaging Options and Global Logistics Handling

To support scalable operations, we offer flexible packaging solutions including 25kg fiber drums and 1000kg IBCs for Bulk priceNa2WO4 for laboratory reagent use or large-scale textile processing, our team coordinates secure shipping with full regulatory documentation.

Partnering with NINGBO INNO PHARMCHEM CO.,LTD. guarantees consistent quality and reliable delivery for your chemical procurement needs. Ready to optimize your supply chain? Reach out to our logistics team today for comprehensive specifications and tonnage availability.