维生素C

Name: 维生素C BP/USP/FCC
Brand: Treering group limited
Rating: 4.5 (99 reviews)

发布询盘

维生素C的主要功能和应用

功能

应用

Analysis Contents	Analysis Standard	Analysis Results
Characteristics	White or almost White crystals Crystalline Powder	Pass
Identification	Positive Reaction	Positive
Melting Point	About 190℃	191.20℃
PH(with 5% water solution)	2.1-2.6	2.35
Clarity Of Solution	Clear	Clear
Colour Of Solution	^≤^BY7	^<BY7
Copper	≤5ppm	<5ppm
Heavy Metals	≤10ppm	<10ppm
Mercury	≤0.1mg/kg	<0.1mg/kg
Lead	≤2mg/kg	<2mg/kg
Arsenic	≤3ppm	<3ppm
Oxalic Acid	≤0.2%	<0.2%
Iron	≤2ppm	<2ppm
Cadmium(Cd)	<1mg/kg	<1mg/kg
Impurity E	≤0.2%	<0.2%
Loss on Drying	≤0.4%	<0.4%
Sulphate Ash(Residue On Ignition)	≤0.1%	<0.1%
Specific Optical Rotation	+20.5°–+21.5°	20.97°
Residual Solvents	Pass	Pass
Assay	99.0%-100.5%	99.71%

结论: 本产品符合标准。
包装: 25 千克/Carton
储存方法: 请存放于阴凉干燥环境，避免光照、高温及与空气氧气接触。

上海萃瑞生物专业从事维生素C生产和出口业务，我们已经从事生产销售维生素C已经10年，如果您有合作需求，请随时联系我们。

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