COLLOIDAL IRON

COLLOIDAL IRON

Description

Sr. No.	Test Parameter	Specification	Reference
1.0	Description	A thick dark brown colour liquid.	In-house
2.0	Solubility	Miscible with water.	In-house
3.0	Identification Test		In-house
3.1	Test for Iron	Positive.	In-house
3.2	Test for Carbohydrate	Positive.	In-house
4.0	pH of solution	6.00 – 8.00 at 27⁰C.	In-house
5.0	Specific Gravity	1.25 – 1.40 gm/ml.	In-house
6.0	Assay (as Iron)	9.00 – 11.00 % w/w.	In-house
7.0	Carbohydrate	20.00 – 30.00 % w/w.	In-house
8.0	Chloride content (as NaCl)	Not more than 1.00 % w/w.	In-house
9.0	Arsenic	Not more than 3 ppm.	In-house
	Mercury	Not more than 3 ppm.	In-house
	Lead	Not more than 25 ppm.	In-house
	Cadmium	Not more than 25 ppm.	In-house
	Copper	Not more than 60 ppm.	In-house
	Zinc	Not more than 150 ppm.	In-house
10.0	Total aerobic microbial count	Not more than 1000 CFU /gm.	In-house
11.0	Total combined yeast and mould count	Not more than 100 CFU /gm.	In-house
12.0	Enterobacteriaceae count	Not more than 10 CFU /gm.	In-house
13.0	Pathogen
13.1	E. coli.	To be absent.	In-house
13.2	S. typhi	To be absent.	In-house
13.3	S. aureus	To be absent.	In-house
13.4	P. aeruginosa	To be absent.	In-house

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