Fine Chemical

L-(+)-Lactic Acid

           L-Lactic acid  Tech Grade House Standard

Item

Standard

Results

Appearance

Colorless to slight yellowish liquid

Conforms

Odor

No special smell or slightly characteristic smell

Conforms

Content

80.0%min

80.35%

Stereo chemical purity(L-isomer)

97.0%min

99.3%

Color,

70-100

85

Residue on ignition, %

0.1

0.1

Sulfates, ppm

50.0

50.0

Chlorides, ppm

20.0

20.0

Iron, ppm

10.0

10.0

Lead, mg/kg

2.0

2.0

Arsenic, mg/kg

1.0

1.0

Readily carbonizable substances

Passes test

Conforms

Limit of Citric, Oxalic, Phosphoric and Tartaric acid

Passes test

Conforms

Reducing sugars

Passes test

Conforms