Sodium Bisulfite 40% ACS Grade

Why Sodium Bisulfite 40% ACS Grade

Sodium Bisulfite 40% ACS Grade delivers lot-traceable purity tested strictly against American Chemical Society specifications. Manufactured as a clear to pale yellow non-flammable liquid at a stable 40% concentration, this chemical guarantees consistent stoichiometry for rigorous analytical methods requiring reliable reducing agents. Lab managers, researchers, and quality control chemists depend on this certified reagent to eliminate baseline interference in precision laboratory testing. The highly water-soluble NaHSO3 formula provides immediate reactivity without the lengthy dissolution times associated with solid bisulfite compounds, making it highly effective for time-sensitive environmental assays and industrial methodology testing.

Best Applications for This Grade

• Commonly applied in environmental laboratory settings for the precise dechlorination and reduction of hexavalent chromium in wastewater effluent testing. The rigorous ACS certification ensures no trace heavy metal contaminants interfere with the analytical quantification of these sensitive samples.
• Commonly applied in quantitative analytical methods requiring a standardized, liquid-phase reducing agent. The pre-mixed 40% aqueous format enables exact volumetric measurements for titrations, bypassing the heat of dissolution and particulate handling challenges inherent to dry powders.
• Commonly applied in reagent-grade chemical synthesis where stringent impurity limits are strictly mandated by established ASTM protocols. The moderate alcohol solubility of this compound permits controlled reduction rates when operating within mixed-solvent reaction systems.

When to Choose a Different Grade

• If an analytical method strictly dictates a dry powder rather than a pre-mixed 40% liquid solution, evaluate Sodium Metabisulfite - ACS Grade, which yields equivalent bisulfite ions in water while allowing for customized concentration limits.
• If laboratory protocols necessitate an oxidizing agent instead of a reducing compound for environmental water analysis, transition to Sodium Chlorite Flakes 80% - ACS Grade.
• If the primary objective of the analytical procedure is strong pH buffering or alkalinity adjustment rather than chemical reduction, specify Trisodium Phosphate Dodecahydrate - ACS Reagent Grade.
• If the operation involves bulk industrial wastewater dechlorination where exact trace-metal profiling is unnecessary, downgrading to a technical grade sodium bisulfite will lower chemical expenditures while maintaining the baseline reduction capabilities required by municipal compliance standards.