Appearance

Blue crystalline powder

Assay
(translated into V2O5 at 520℃)

≥99.5%

Vanadium

19.5%~23%

Pentavalent Vanadium

＜0.05%

Loss on drying

18%~20%

Non precipitating substance in 
ammonium hydroxide

≤2.0%

As

≤0.0003%

Pb

≤0.0001%

Cd

≤0.0001%

Hg

≤0.0001%

TPC

≤1.000cfu/gm

Yeast Mold

≤100cfu/gm

Coliforms

≤100cfu/gm

Ecoli

Negative

Salmonella

Negative

Pseudomonas aeruginosa

Negative

Staphylococcus aureus

Negative

Particle size (d50)

20-40mesh