≥1 piece |
Mol . formula |
Fe 4 (P 2 O 7 ) 3 ,xH 2 O |
Formula Wt. |
745.22 (anhydrous) |
CAS No. |
10058-44-3 |
Characteristics |
A tan or yellowish white powder |
Arsenic
|
Max. 3 mg/kg.
|
Lead
|
Max. 4 mg/kg.
|
mercury
|
Max. 3 mg/kg.
|
Loss on Ignition ( at 800 o C for 1 hr.)
|
Max. 20% |
Assay (as Fe +3 ) |
24 to 26%
|
|
* 100% passes through ASTM #80 |
Microbial profile |
|
Escherichia coli |
Absent/gm |
Staphylococcus aureus |
Absent/gm |
Salmonella |
Absent/gm |
Pseudomonas aeruginosa |
Absent/gm |
Total bacterial count |
NMT1000cfu/gm |
yeast |
NMT 100cfu/gm |
Mould |
NMT 100cfu/gm |
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