Aluminium Ammonium Sulfate


Product
:
ALUMINIUM AMMONIUM SULFATE 12-HYDRATE
(AMMONIA ALUM)
Available Grades
:
LR/EP, AR/GR, and ACS
Mol. Formula
:
AlNH4(SO4)2.12H2O
Mol. weight
:
453.33
CAS No.
:
7784-26-1
Aluminium Ammonium Sulfate


SPECIFICATIONS
:


Sr.
PARAMETER


PARAMETER VALUE
LR / EP
AR / GR
ACS
1. Appearance : White fine crysals or crystalline powder
2. Test Solution (10% w/v, water)
: The solution is clear & colourless
3.
Assay(as labeled hydrate)
:
99% min.
99.5% min. 98.0 - 102.0%
4.
pH (5% w/v, water)
:
NLT 3.0
NLT 3.0
--
5.
Maximum limits of impurities


i.
Water insoluble matter :
--
0.005%
0.005%
ii.
Chloride, as Cl : 0.005%
0.002%
0.001%
iii.
Nitrate, as NO3 : --
0.001%
--
iv.
Phosphate, as PO4
: --
0.0025%
--
v.
Arsenic, as As
: --
0.00005%
--
vi.
Calcium, as Ca : --
--
0.05%
vii.
Copper, as Cu : --
0.0005%
--
viii.
Heavy Metals, as Pb
: 0.005%
0.0005%
0.001%
ix.
Iron, as Fe
: 0.005%
0.0005%
0.001%
x.
Potassium, as K
: --
0.05%
0.05%
xi.
Silica, as SiO2
: --
0.002%
--
xii.
Sodium, as Na
: 0.2%
0.005%
0.01%



Ammonia Alum India, Ammonium Aluminium Sulphate, Ammonium Aluminium Sulphate India, Aluminium Ammonium Sulfate India, Aluminium Ammonium Sulfate,

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