Parameter     Product

Index

Unit

Reagent A.C.S

U.S.P.

Granular F.C.C.

Granular Tech Pure

Granular Tech Pure

Assay NaC2H3O2.·3H2O Dry Basis

99.0-101.0

99.0-101.0

99.0-101.0

97.0-101.0

98.0-101.0

PH of 5% Solution at 25

7.5-9.2

7.5-9.2

7.5-9.2

7.5-9.0

7.5-9.0

Loss on Drying (150)

≤%

36.0-41.0

38.0-41.0

36.0-41.0

36.0-41.0

36.0-41.0

Insoluble Matter

0.005

0.05

0.05

0.05

Chloride (Cl)

≤%

0.001

0.035

0.1

0.1

Phosphate (PO4)

0.0005

Sulfate (SO4)

0.002

0.005

0.5

0.01

Calcium (Ca)

0.005

Balance

Magnesium (Mg)

≤%

0.002

Balance

Potassium Compounds

0.005

Balance

Balance

Iron (Fe)

≤%

0.0005

0.001

0.001

Heavy Metal (as Pb)

≤%

0.0005

0.001

10mg/kg

0.001

Organic Volatile Impurities

Balance

Alkalinity (as Na2CO3)

0.05

Substances Reducing

 Permanganate

Balance