AMJ Group

Chemical Analysis

SN.	Testing Parameters	STANDARD	RESULTS
1	Color	White Powder	compiles
2	Whiteness	96 Min	97%
3	Solution in Hydrochloric Acid (5 N)	0.20% max	0.14
4	Soluble Alkali (as Na2O)	0.20% max	0.14
5	pH	9.5 -10.0	9.8
6	Iron as Fe	200PPM	145PPM
7	Manganese as Mn	Traces	compiles
8	Phosphate as PO4	Traces	compiles
9	Sulfate as SO4	0.30 max	0.25
10	Lead as Pb	less than 10 PPM	Compiles
11	Copper as Cu	Negligible	Compiles
12	Arsenic as As	less than 2 PPM	Compiles
13	Chlorides as Cl	less than 0.03%	Compiles
14	Magnesia as MgO	0.5% max.	Compiles
15	SILICA as SiO2	0.2% max.	Compiles
16	Aluminum, Iron, Phosphates and matter Insoluble in Hydrochloric Acid	0.5% max.	Compiles
17	Calcium Carbonate	97.5% min	96.80%
18	Calcium as Minerals	38-39	38
19	Specific Gravity	2.60-2.90	2.70
20	Loss on Drying at 105 C  5	0.5% max	Complies
21	Crystal Structure	Calcitic	Calcitic

SN.	Testing Parameters	STANDARD	RESULTS
1	Bulk Density (gm/ml)	0.4-0.50	0.4
2	Solubility	In Water Insoluble/Dilute HCL-Soluble/HNO3-Soluble	compile
3	D.O.P Absorption (gm/100 gms)	35-40	25
4	Oil Absorption	80-90	88
5	Average Particle size D-50 (Micron)	2	2
6	Average Particle size D-97 (Micron)	10	10
7	Fineness Residue on 35 Micron IS Sieve (500 mesh) % by weight (IS 918-1968)	100% pass	100% pass

PHYSICAL PROPERTIES		C	S	S1	T	D
Brightness	%(max)	95.00	95.00	95.00	93.00	97.00
Particle Size Top Cut (d98) um	(max)	12.00	12.00	12.00	14.00	10.00
Average Particle Size(d50) um		3.0-3.5	3.0-3.5	3.0-3.5	4.0-4.5	2.5-3.0
Fineness-Residue on 45 um (325mesh)	%(max)	0.10	0.10	0.10	0.10	0.10
Loss on Drying at 105⁰C+5⁰	%(max)	0.50	0.50	0.50	0.50	0.50
Specific Gravity	(max)	2.70	2.70	2.70	2.70	2.70
Bulk Density(g/ml)		0.6-0.7	0.6-0.7	0.6-0.7	0.8-0.9	0.5-0.6
DOP Adsorpation(g/100g)		35-40	35-40	30-35	18-20	50-60
Coating	%	0.5-1.0(Titanate)	2.0-3.0(Stearate)	1.0-1.5(Stearate)	1.0-1.5(Stearate)
Crystal Structure		Calcitic	Calcitic	Calcitic	Calcitic	Calcitic

Chemical Composition	G	Z	20	10
Color	Bright White	White	White	White
Whiteness as Compare with 100% MgO	98.00	98.00	96.00	96.00
Specific Gravity	2.60	2.60	2.71	2.71
Bulk Density(gm/ml)	1.30	0.75-1.10	0.75	1.30
D.O.P.Absorption(gms per 100 gms)	25.00	22.00	22.00	22.00
Moisture Content	0.15	0.08	0.10	0.10
Silica SIO2	0.02-0.025	0.30	0.50	0.50
Iron Fe2O3	0.02	0.04	0.04	0.04
Alumina AI2O3	0.05	0.05	0.05	0.05
Calcium Carbonate CaCo3	98.50	98.00	97.00	97.00
Particle Size			D50-5.5 D90-18.5 D97-17.3	D50-2.3 D90-10.2 D97-10.3
Fitneness 9.9 Percent throught B.S Sieve	300 mesh	500 mesh	20 Micron	10 Micron