Sodium Ascorbate-ND CHEMICALS CO.,LTD

Sodium Ascorbate

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Details Specification

ITEM	STANDARD
Appearance	White to slightly yellow cr ystalline powder
Identification	Positive
Assay (as C 6H 7NaO 6)	99.0 ‐ 101.0%
Specific optical rotation	+103° ‐ +106°
Clarity of solution	Clear
pH (10%, W/V )	7.0 ‐ 8.0
Loss on drying	≤ 0.25%
Sulphate (mg/kg)	≤ 150
Total heavy metals	≤ 0.001%
Lead	≤ 0.0002%
Arsenic	≤ 0.0003%
Mercury	≤ 0.0001%
Zinc	≤ 0.0025%
Copper	≤ 0.0005%
Residual Solvents (as Menthanol)	≤ 0.3%
Total plate count (cfu/g)	≤ 1000
Yeasts & molds (cuf/g)	≤ 100
E.coli/ g	Negative
Salmonella/ 25g	Negative
Staphylococcus aureus/ 25g	Negative

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