Sodium Dithionite Purified 500 Gram
SKU : 219595-0500
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Rp794.800
Quantity
2 items available
Brands: CDH
Categories:
Chemicals Reagent
Deskripsi Produk
PRODUCT CODE 219595
SYNONYMS (Sodium hydrosulphite)
C.I. NO. --
CASR NO. (7775-14-6)
Na2S2O4
ATOMIC OR MOLECULAR FORMULA Na2S2O4
ATOMIC OR MOLECULAR WEIGHT 174.13
PROPERTIES Moisture sensitive; melting point- 55°C (decomposes)
strong reducing agent.
PARAMETER LIMIT
Description A white to off white crystalline powder.
Solubility Soluble in water.
Minimum Assay (Iodometric) 87.0%
pH ( 1 M solution in water at 20°C) 5.5 - 7.0
MAXIMUM LIMIT OF IMPURITY
Iron (Fe) 0.002%
