Potassium Sorbate

Test item

Standard

Color

White

Shape

granular or powder

Test item

Standard

Assay(C6H7O2K)(as dry basis),w/%

98.0 - 101.0

Loss on drying,w/%

≤ 1.0

Dissociation Alkali(as K2CO3),w/%

≤ 1.0

Acidity or Alkalinity,w/%

≤ 1.0

Free Alkali(as K2CO3),w/%

≤ 1.0

Arsenic (as As),ppm

≤ 3.0

Heavy metals(as Pb),ppm

≤ 10.0

Clarity

Complies

Hydrargyrum,ppm

≤2.0

pH(10%watersolution)

8.5-10.5

Lead as Pb,ppm

≤ 2.0

Cadmium as Cd,ppm

≤ 0.02

Mercury as Hg,ppm

≤ 1.0