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SODIUM SULFITE ANHYDROUS FOR ANALYSIS

Brands: MERCK
Rp 1.311.000

anhydrous for analysis EMSURE® Reag. Ph Eur

Linear Formula:

Na2SO3

Assay (iodometric): 97.0 - 100.5 %

Identity: passes test

Appearance of solution: passes test

Insoluble matter: ≤ 0.005 %

Free acid: passes test

Titrable free base: ≤ 0.03 meq/g

Chloride (Cl): ≤ 0.02 %

Thiosulfate (S₂O₃): ≤ 0.1 %

Heavy metals (as Pb): ≤ 0.0005 %

As (Arsenic): ≤ 0.0001 %

Cu (Copper): ≤ 0.0005 %

Fe (Iron): ≤ 0.001 %

Pb (Lead): ≤ 0.0005 %

Se (Selenium): ≤ 0.0004 %

Zn (Zinc): ≤ 0.001 %

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PT. Multi Medika Laboratory

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