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EDTA DI SODIUM |
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MOL.FORMULA: C10H14N2Na2O8.2H2O MOL.WT: 372.24 CAS NO. 6381-92-6 |
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DESCRIPTION: WHITE CRYSTALLINE POWDER /
ODURLESS |
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GRADES |
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SPECIFICATION |
IP |
BP |
USP |
ACS |
AR |
LR |
F.C.C |
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IDENTIFICATION |
|
TO COMPLY |
TO COMPLY |
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|
|
|
TO COMPLY |
|
APPEARANCE OF THE SOLUTION |
|
TO COMPLY |
|
|
|
--- |
--- |
--- |
|
pH OF 5% SOLN |
MAX |
4.0 - 5.5 |
4.0-5.5 |
|
4.0-6.0 |
4.3-4.7 |
--- |
4.3-4.7 |
|
HEAVY METALS |
MAX |
20 PPM |
20 PPM |
|
0.005% |
0.0005% |
--- |
|
|
IRON |
MAX |
80 PPM |
80 PPM |
|
0.01% |
0.0005% |
--- |
--- |
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ASSAY(DRY BASIS) |
MAX |
98.5-101.0% |
98.5-101% |
|
99.0-101.0% |
99.5%(MIN) |
--- |
99-101% |
|
NITRILOTRIACETIC ACID |
MAX |
--- |
|
|
0.1% |
0.025% |
--- |
0.1% |
|
CALCIUM |
|
--- |
|
|
--- |
|
--- |
TO COMPLY |
|
LEAD |
MAX |
--- |
|
|
--- |
-- |
--- |
10 PPM |
|
SOLUBILITY |
MAX |
--- |
|
|
--- |
--- |
--- |
TO COMPLY |
|
INSOLUBLE MATTER |
MAX |
--- |
|
|
0.005% |
0.003% |
--- |
--- |
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CHLORIDE |
MAX |
--- |
|
|
|
0.004% |
--- |
--- |
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SULPHATE |
MAX |
--- |
|
|
--- |
0.02% |
--- |
--- |
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COPPER |
MAX |
--- |
|
|
--- |
0.0001% |
--- |
--- |