Item

Unit

Standard 

Total Assay

% w/w

78-82

Lactic acid

% w/w

59-61

Sodium lactate

%w/w

19-21

Stereo chemical purity

%L(+)

≥97%

Density (@20°C)

G/ml

1.24-1.25

Chroma (fresh solution)

APHA

≤50

PH (10% solution)

-

2.9-3.2

Heavy metals (as per Pb)

ppm

≤10

Fe

ppm

≤10

Ca

ppm

≤10

Chloride

ppm

≤10

Sulfate

ppm

≤10

Cu

ppm

≤1

Zn

ppm

≤1

Hg

ppm

≤1

As

ppm

≤3