Citric Acid Anhydrous Pure
|
Name of Product
|
Citric Acid Anhydrous
|
|
Specification No.
|
SC/FPS/16 R1
|
|
Reference
|
LR/AR/ACS
|
|
Shelf Life
|
5-Years
|
|
Effective Date
|
01.01.2010
|
|
Storage
|
Preserved in tight containers
|
|
Sr.
No.
|
Test
|
Specification (Limit)
|
|
|
LR(Hi- pure)
|
AR
|
ACS
|
|
|
1
|
Assay
|
99.5-101.5 %
|
--------------
|
99.0-102.0%
|
|
|
2
|
MAXIMUM LIMITS OF IMPURITIES
|
|
|
|
|
|
|
Heavy metals (as Pb)
|
0.001 %
|
--------------
|
--------------
|
|
|
3
|
Chloride (Cl)
|
0.001 %
|
--------------
|
0.001%
|
|
|
4
|
Iron (Fe)
|
0.0005 %
|
--------------
|
3ppm
|
|
|
5
|
Copper (Cu)
|
0.001 %
|
--------------
|
--------------
|
|
|
6
|
Readily carbonized substances
|
Passes test
|
--------------
|
--------------
|
|
|
7
|
Sulphated ash
|
0.05 %
|
--------------
|
--------------
|
|
|
8
|
Zinc (Zn)
|
0.001 %
|
--------------
|
--------------
|
|
|
9
|
Sulphate (SO4)
|
0.02 %
|
--------------
|
--------------
|
|
|
10
|
Oxalate (C2O4)
|
0.05 %
|
--------------
|
To pass test (limit about 0.05%)
|
|
|
11
|
Arsenic (As)
|
0.0001 %
|
--------------
|
--------------
|
|
|
12
|
Barium (Ba)
|
0.002 %
|
--------------
|
--------------
|
|
|
13
|
Calcium (Ca)
|
0.02 %
|
--------------
|
--------------
|
|
|
14
|
Water (byKF)
|
NMT1.0 %w/w
|
--------------
|
--------------
|
|
|
15
|
Insoluble matter
|
--------------
|
--------------
|
0.005 %
|
|
|
16
|
Residue after ignition
|
--------------
|
--------------
|
0.02 %
|
|
|
17
|
Phosphate (PO4)
|
--------------
|
--------------
|
0.01 %
|
|
|
18
|
Sulphur compounds (as SO4)
|
--------------
|
--------------
|
0.002 %
|
|
|
19
|
Lead (Pb)
|
--------------
|
--------------
|
2ppm
|
|
|
20
|
Substances carbonisable by hot sulfuric acid (Tartrates,etc)
|
--------------
|
-------------
|
To pass test
|
|
|
|
|
|
|
|
|
|
Opinion: The above product is specified as a standard quality as per LR./AR/ACS
|
