Name: SODIUM DISULFITE (SODIUM METABISULFITE)
Brand: MERCK
SKU: 1.06528.5000
Price: 5746000 IDR
Availability: InStock

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SODIUM DISULFITE (SODIUM METABISULFITE)

Brands: MERCK

Rp 5.746.000

(sodium metabisulfite) for analysis EMSURE® ACS,Reag. Ph Eur

Synonym(s):

Sodium disulfite, Sodium metabisulfite, Sodium pyrosulfite, Disulfite, Pyrosulfite

Empirical Formula (Hill Notation):

Na2O5S2

Assay (iodometric): 98.0 - 100.5 %

Identity: passes test

Appearance of solution: passes test

pH-value (5 %; water): 3.5 - 5.0

Insoluble matter: ≤ 0.005 %

Chloride (Cl): ≤ 0.005 %

Thiosulfate (S₂O₃):

≤ 0.05 %

: passes test

Heavy metals (as Pb): ≤ 0.001 %

As (Arsenic): ≤ 0.0001 %

Fe (Iron): ≤ 0.0005 %