2017 Good Quality Tianli Ascorbic Acid - Ascorbic acid fine powder (100 mesh) – Toption Industry

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2017 Good Quality Tianli Ascorbic Acid - Ascorbic acid fine powder (100 mesh) – Toption Industry Detail:

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Show the biological activity of ascorbic acid compounds known, is a water-soluble vitamins, fruits and vegetables are abundant. In redox reactions regulate the metabolism of the lack of it can cause scurvy

ITEM STANDARD
Appearance White or  almost  white crystal  or  crystalline powder
Identification   Positive
Melting point  191 ℃  ~  192℃ 
pH (5%,  w/v)   2.2 ~   2.5 
pH (2%,w/v)   2.4 ~   2.8 
Specific optical  rotation  +20.5°  ~  +21.5°  
Clarity  of  solution Clear 
Heavy metals =<0.0003% 
Assay (as C 6H 8O6, %)  99.0  ~  100.5 
Copper =<3 mg/kg
Iron =<2 mg/kg
Mercury =<1 mg/kg 
Arsenic =<2 mg/kg 
Lead =<2 mg/kg
Oxalic acid =<0.2%
Loss   on drying =<0.1%
Sulphated ash =< 0.1%
Residual solvents (as methanol) =< 500  mg/kg 
Total  plate count (cfu/g) =< 1000
Yeasts  & molds (cfu/g) =< 100  
Escherichia.  Coli/g  Absence 
Salmonella/  25g  Absence 
Staphylococcus aureus/ 25g  Absence 

Product detail pictures:

2017 Good Quality Tianli Ascorbic Acid -
 Ascorbic acid fine powder (100 mesh) – Toption Industry detail pictures

2017 Good Quality Tianli Ascorbic Acid -
 Ascorbic acid fine powder (100 mesh) – Toption Industry detail pictures

2017 Good Quality Tianli Ascorbic Acid -
 Ascorbic acid fine powder (100 mesh) – Toption Industry detail pictures

2017 Good Quality Tianli Ascorbic Acid -
 Ascorbic acid fine powder (100 mesh) – Toption Industry detail pictures


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