Lactic Acid, CAS No. : 50-21-5, EINECS No. : 200-018-0

PARAMETER

UNIT

STANDARD

TEST

Total acidity(as lactic acid)

%w/w

Min.88.0

88.5

Stereochemical purity

%L(+)

Min.97

Min97

Density(@20°C)

G/ml

1.19-1.21

1.19-1.21

Colour(fresh solution)

Hazen

MAX.50

MAX.50

Colour(after 2 hour heating at 200℃)

HAZEN

MAX.30

MAX.30

Heavy metals(as Pb)

ppm

Max.10

Max.10

Iron

ppm

Max.10

Max.10

Calcium

ppm

Max.10

Max.10

Chlorine

ppm

Max.10

Max.10

Sulphate

ppm

Max.10

Max.10

Sulphated ash

%w/w

Max.0.1

Max.0.1

Cyanide

ppm

Max.5

Max.5

Lead

ppm

Max.0.5

Max.0.5

Arsenic

ppm

Max.1

Max.1

Mercury

ppm

Max.1

Max.1

Reducing substances(sugars)

-

Passes FCC test

Passes FCC test

Citric, oxalic, tartaric, phosphoric acids

-

Passes USP test

Passes USP test