{"product_id":"sodium-metabisulfite-acs-grade","title":"Sodium Metabisulfite - ACS Grade","description":"\u003ch2\u003eWhy Sodium Metabisulfite - ACS Grade\u003c\/h2\u003e\n\u003cp\u003eSodium Metabisulfite - ACS Grade provides documented analytical purity tested directly against stringent American Chemical Society specifications, guaranteeing the lot-traceable reliability demanded by laboratory managers and QC chemists. This strict compliance ensures exact baseline consistency for highly sensitive analytical methods, including precise ASTM protocols where reducing agent parameters must remain highly regulated. By eliminating the variable of unknown trace contaminants found in lower grades, this specific chemical ensures that researchers and analytical technicians achieve reproducible, defensible data across multiple testing cycles.\u003c\/p\u003e\n\n\u003ch3\u003eBest Applications for This Grade\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCommonly applied in quantitative analytical chemistry methods requiring a tightly controlled source of sulfur dioxide or a precise reducing compound. The verified purity prevents trace metal interference that could skew colorimetric or titrimetric endpoints during complex testing.\u003c\/li\u003e\n\u003cli\u003eCommonly applied in environmental laboratory testing to execute the complete neutralization of residual halogens. During strict water quality assessments, the certified absence of background impurities prevents false positive readings in downstream instrumental analysis.\u003c\/li\u003e\n\u003cli\u003eCommonly applied in the precise formulation of custom laboratory reagents, standard solutions, and specialized chemical buffers. This grade delivers the exact stoichiometric consistency required by published analytical methodologies, ensuring that reactions proceed exactly as mapped in standardized literature.\u003c\/li\u003e\n\u003cli\u003eCommonly applied in specialized metallurgical assay processes that demand strict reduction potentials. The lot-traceable certification allows chemists to isolate analytical variables and validate their extraction or precipitation yields against known chemical baseline standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen to Choose a Different Grade\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIf your methodology requires a ready-to-use, pre-mixed liquid reducing agent to eliminate dissolving time and minimize dry particulate handling in the laboratory environment, select Sodium Bisulfite 40% ACS Grade.\u003c\/li\u003e\n\u003cli\u003eIf your operational process dictates bulk chemical reduction, industrial dechlorination, or routine waste treatment but does not strictly mandate documented American Chemical Society lot traceability, transitioning to a technical grade sodium metabisulfite saves material budget without compromising basic structural results.\u003c\/li\u003e\n\u003cli\u003eIf your specific laboratory protocol mandates a highly regulated oxidizing compound to drive reactions forward rather than a sulfur-based reducing agent, shift your selection to Sodium Chlorite Flakes 80% - ACS Grade.\u003c\/li\u003e\n\u003cli\u003eIf your analytical preparation demands a strong alkaline buffering agent or a precise precipitating compound to manage heavy pH stability during multifaceted chemical reactions, evaluate Trisodium Phosphate Dodecahydrate - ACS Reagent Grade.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alliance Chemical","offers":[{"title":"2 lbs. \/ 1 Pack (2 lbs.)","offer_id":42721771257898,"sku":"G1K-4CY-WS7","price":29.7,"currency_code":"USD","in_stock":true},{"title":"2 lbs. \/ 2 Pack (4 lbs.)","offer_id":42721771290666,"sku":"D8B-J5Q-3LN","price":44.0,"currency_code":"USD","in_stock":true},{"title":"2 lbs. \/ 4 Pack (8 lbs.)","offer_id":42721771323434,"sku":"U9R-PA6-1VF","price":69.7,"currency_code":"USD","in_stock":true},{"title":"2 lbs. \/ 8 Pack (16 lbs.)","offer_id":42721771356202,"sku":"S0M-KD9-8TE","price":130.68,"currency_code":"USD","in_stock":true},{"title":"2 lbs. \/ 16 Pack (32 lbs.)","offer_id":42721771388970,"sku":"V5W-2HX-N3C","price":231.0,"currency_code":"USD","in_stock":true},{"title":"5 Lbs. \/ 1 Pack (5 lbs.)","offer_id":42721771421738,"sku":"J4F-Y7B-0QL","price":44.0,"currency_code":"USD","in_stock":true},{"title":"5 Lbs. \/ 2 Pack (10 lbs.)","offer_id":42721771454506,"sku":"K6P-AC1-9RW","price":82.5,"currency_code":"USD","in_stock":true},{"title":"5 Lbs. \/ 4 Pack (20 lbs.)","offer_id":42721771487274,"sku":"A7D-3VJ-2HG","price":154.88,"currency_code":"USD","in_stock":true},{"title":"50 Lbs. \/ 1 Bag (55 lbs.)","offer_id":42721771520042,"sku":"X0N-5TR-L4E","price":231.0,"currency_code":"USD","in_stock":true},{"title":"50 Lbs. \/ 10 Bag (550 lbs.)","offer_id":42721771552810,"sku":"F2Q-8LM-D7B","price":1871.1,"currency_code":"USD","in_stock":true},{"title":"50 Lbs. \/ 20 Bag (1100 lbs.)","offer_id":42721771585578,"sku":"W9H-0KP-6SA","price":3548.16,"currency_code":"USD","in_stock":true},{"title":"50 Lbs. \/ 40 Bag (2200 lbs.)","offer_id":42721771618346,"sku":"E3C-N1Z-5UX","price":6652.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/2734\/1866\/files\/sodium-metabisulfite-acs-2-lb.jpg?v=1748983514","url":"https:\/\/alliance-chemical-store.myshopify.com\/products\/sodium-metabisulfite-acs-grade","provider":"Alliance Chemical","version":"1.0","type":"link"}