Item

FCCIV Standard

Result

Identification

Conform to Standard

Conform to Standard

Appearance

White granular

White granular

Assay

99.0~101.0%

100.16%

Free acid(as sorbic acid)

<1%

<1%

Free Alkali(as K2CO3)

<1%

0.45%

Heavy metals(as Pb)

≤10ppm

Less than 10 ppm

Arsenic(as As)

≤3ppm

Less than 3 ppm

Loss on drying

≤1.0%

0.28%

Lead

≤2ppm

None

Melting Point(As sorbic acid)

133.0°C-135.0°C

133.0°C~135.0°C

Mercury

≤1ppm

None

Aldehydes

<0.1%

<0.1%

Organic Volatile impurities

Meet the requirement

Meet the requirement

Chloride(as Cl)

≤0.1%

<0.1%

Residual Organic Solvents

Negative

Negative

Conclusion

Conform to FCCIV standard