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- Ester & Derivatives[10]
- Organic Acid[10]
- Other Organic Chemical[1]
- Chemical Auxiliary Agent[1]
- Chemical Reagents[4]
- Daily Chemicals[1]
- Flavour & Fragrance[1]
- Feed Additives[7]
- Food Additives[10]
- Inorganic Acids[1]
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- Sulphate[1]
- Other Inorganic Chemicals[3]
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Heat Stable Grade Lactic Acid
Product Detailed
1.Colorless transparent liquid
2.Assay:Min88%
3.Heat Stable grade
4.Low metal assay
5.Used in food,electro plating industry
Physical Property
This product is colorless transparent viscidity liquid, a little acid, guide wetly; the aqueous solution shows the acid reaction. Can be mixed, not dissolved with water, ethanol or ether wantonly in the chloroform.Quality Index
Item | Unit | Standard value |
Molecular weight | G/mol | 90.8 |
Assay | %wt | ≥88% |
Stereochemical purity | %L(+) | ≥97% |
Density(@20°C) | G/ml | 1.195-1.205 |
Chroma( fresh solution) | APHA | ≤15 |
Chroma(200°C ,heat for 2 hours) | APHA | ≤50 |
Odor | - | slight sourness |
Taste | - | mild sourness |
Heavy metals(as Pb) | ppm | ≤10 |
Fe | ppm | ≤10 |
Ca | ppm | ≤10 |
Chloride | ppm | ≤10 |
Sulfate | ppm | ≤10 |
Sulphuric acid ash | % | ≤0.05 |
Cyanide | ppm | ≤5 |
Pb | ppm | ≤5 |
Reducing substances (sugar) | - | pass FCC inspection |
Citric acid/oxalic acid /tartaric acid /phosphoric acid | - | pass USP inspection |
Methanol/methyl ester | - | not detectable |
Volatile fatty acid | - | pass EP inspection |
Readily carbonizable substance | - | pass USP inspection |
Ether insoluble substance | - | pass EP inspection |