Ferrous Fumarate (CAS: 141-01-5)

TESTING ITEMS

   SPECIFICATIONS

RESULTS

Appearance

Fine,Reddish-orange or reddesh-brown odorless powder

Complies

Identification

1. By IR: The IR absorption of a potassium bromide dispersion of the dried precipitate obtained exhibits maxima only at the same wavelength as that of a similar preparation of fumaric acid WS

Complies

B. Iron Test: to comply

Complies

Solubility

Slightly soluble in water, very slightly soluble in alcohol

Complies

Arsenic

≤3ppm

<2ppm

Lead

≤10ppm

<5ppm

Mercury

≤3ppm

<2ppm

Loss on drying

≤1.50%

0.71%

Ferric iron

≤2.0%

1.08%

Chromium

≤100ppm

<50ppm

Sulphates

≤0.20%

0.11%

Particle size

100% pass 180um sieve

Complies

Assay

97.0%~101.0%

98.03%

Conclusion:        

The Product Conforms to USP.