Aluminium Potassium Sulfate


Product
:
ALUMINIUM POTASSIUM SULFATE 12-HYDRATE
(POTASH ALUM)
Available Grades
:
LR/EP/Photographic, AR/GR, and ACS
Mol. Formula
:
AlK(SO4)2.12H2O
Mol. weight
:
474.39
CAS No.
:
7784-24-9
Aluminium Potassium Sulfate


SPECIFICATIONS
:


Sr.
PARAMETER


PARAMETER VALUE
LR /EP/PHOTO
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 : 0.01%
0.001%
5 ppm
iii.
Ammonium, as NH4 : 0.05%
0.025%
0.005%
iv.
Arsenic, as As
: --
0.0002%
--
v.
Copper, as Cu : --
0.0005%
--
vi.
Heavy Metals, as Pb
: 0.005%
0.0005%
0.001%
vii.
Iron, as Fe
: 0.005%
0.0005%
0.001%
viii.
Sodium, as Na
: --
0.01%
0.02%



Potash Alum India, Potassium Aluminium Sulphate, Potassium Aluminium Sulphate India, Aluminium Potassium Sulfate India, Aluminium Potassium Sulfate,

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