乐林乳酸
GREEN LACTIC ACID （L+）
乐林(L+)乳酸是由玉米淀粉发酵精致而成，是透明粘稠状水溶液体。乐林乳酸符合美国FCCIV标准和欧洲E270标准 。乐林乳酸广泛应用与食品，饮料，制药，烟酒，金属表面处理以及化工等领域。
Green lactic acid L(+ ) is produced by fermentation of corn starch .It is a clear syrupy and hydroscopic liquid . Green Lactic acid complies with the specification of FCCIV in USA and E270 in Europe . Green lactic acid is widely used food ,drink ,pharmacy ,cigarette and liquor ,plate coating and chemical etc .
质量标准SPECIFICATION :
|
Item |
食品级food grade |
医药级pharm grade |
|
Product name 品名 |
Lactic acid (L+)乳酸 |
|
|
Molecular formula 分子式 |
CH3CHOHCOOH |
|
|
Molecular weight (g/mol)分子量 |
90.08 |
90.08 |
|
Assay % 含量 |
80% 88% 90% |
88-90% |
|
Stereochemical purity %L+光学纯度 |
95%-105% |
>97% |
|
Density @20”C 密度 |
1.18-1.20 |
1.195 |
|
Colour (fresh solution)色 度 hazen |
150-50 max |
<50 |
|
Odour 气味 |
Slight acid |
Light acid |
|
Taste 口味 |
Mild acid |
Mild acid |
|
Heavy metals (as Pb) 重金属 ppm |
10 max |
10 max |
|
Iron 铁 ppm |
10 max |
10 max |
|
Calcium 钙 ppm |
10 max |
10 max |
|
Chloride氯化物 ppm |
10 max |
10 max |
|
Sulphate 硫酸盐 ppm |
10 max |
10 max |
|
Sulphated ash 硫酸灰份 % |
0.1-0.05% |
0.05% |
|
Cyanide *** ppm |
5 max |
5 max |
|
Lead 铅 ppm |
5 max |
5 max |
|
Reducing substances (sugars)残糖 |
Passes FCC/USP |
Passes USP |
|
Citric ,oxalic tartaric ,phosphoric acids杂酸 |
Passes USP test |
Passes USP test |
|
Methanol and methyl esters 甲酯 |
Not detectable |
Not detectable |
|
Readily carbonizable substances 易炭化物 |
Passes USP test |
Passes USP test |
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