Product name:Ascorbic Acid
Chemical formular:C6H8O6
Appearance:powder,coated,granular
Any inspection is acceptable
S
hijiazhuang Shengqi Chemical co., Ltd.
ADD: No.102,Youyi South Street,Shijiazhuang City, China
Tel:
0086-311-85236362 Fax: 0086-311-85236392
SPECIFICATION OF ASCORBIC ACID
Product Name
Ascorbic Acid(Vc)
Characteristica
White Crystallion Powder
Identification
Positive
PH
2.7~3.3
Clarity of solution
Clarity
Colour of solution
No more solution Y7 or GY7
Heavy metals
≤ 20ppm
Nitrate
No brown ring is produced
Sulfate
≤ 300ppm
Sulphate ash
≤ 0.1%
Loss on drying
≤ 5.0%
Organic volatile
Conform
Absorbance of solution
≤ 0.025%
Chromatograpbic purity
≤ 1.0%
Assay
98.5%~101.5%
Conclusion:complies with the standard of USP25.
No comments:
Post a Comment