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EDTA disodium salt dihydrate BP, Ph. Eur., ACS, JP, USP
EDTA disodium salt dihydrate BP, Ph. Eur., ACS, JP, USP
Supplier:  VWR Chemicals
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EDTA disodium salt dihydrate BP, Ph. Eur., ACS, JP, USP
Supplier:  VWR Chemicals
Certificates

Specifications

  • Environmentally Preferable:

Specifications

Specification Test Results

  • Appearance::
    99.0 -- 101.0 %
  • White or almost white crystalline powder:
    Passes test
  • Heavy metals (as Pb):
    Max. 10 ppm
  • Residual solvents:
    Passes test
  • Residual metal catalysts (skip lot): .:
    Passes test Ph.Eur./BP
  • As (Arsenic):
    Max. 2 ppm
  • Cd (Cadmium):
    Max. 1 ppm
  • Co (Cobalt):
    Max. 1 ppm
  • Hg (Mercury):
    Max. 3 ppm
  • Ni (Nickel):
    Max. 1 ppm
  • Pb (Lead):
    Max. 3 ppm
  • V (Vanadium):
    Max. 6 ppm
  • Conforms to Ph.Eur./USP/BP/JP/ACS:
    Passes test
  • Ph.Eur./BP specifications::
    Passes test Ph.Eur./BP
  • Assay [Ph.Eur./BP]:
    98.5 --> 101.0 %
  • Identification A:
    Passes test Ph.Eur./BP
  • Identification B:
    Passes test Ph.Eur./BP
  • Identification D:
    Passes test Ph.Eur./BP
  • Appearance of solution:
    Passes test Ph.Eur./BP
  • pH (5 %) [Ph.Eur./BP]:
    4.0 --> 5.5
  • Impurity A (*) [Ph.Eur./BP]:
    Max. 0.1 %
  • Fe (Iron) [Ph.Eur./BP]:
    Max. 80 ppm
  • USP specifications::
    Passes test
  • Assay (calculated on dried basis) [USP]:
    99.0 --> 101.0 %
  • Identification C:
    Passes test USP
  • Ca (Calcium):
    Passes test USP
  • Limit of nitrilotriacetic acid [USP]:
    Max. 0.1 %
  • pH (25°C; 50 mg/ml) [USP]:
    4.0 --> 6.0
  • Loss on drying (150°C; 6 h) [USP]:
    8.7 --> 11.4 %
  • Assay [JP]:
    Min. 99.0 %
  • Identification 1:
    Passes test JP
  • Identification 2:
    Passes test JP
  • Identification 3:
    Passes test JP
  • pH (1 %) [JP]:
    4.3 --> 4.7
  • Clarity and colour of solution:
    Passes test JP
  • CN (Cyanide):
    Passes test JP
  • Residue on ignition [JP]:
    37.0 --> 39.0 %
  • Assay [ACS]:
    99.0 --> 101.0 %
  • pH (25°C; 5 %) [ACS]:
    4.0 --> 6.0
  • Insoluble matter [ACS]:
    Max. 0.005 %
  • Nitrilotriacetic acid [ACS]:
    Max. 0.1 %
  • Heavy metals (as Pb) [ACS]:
    Max. 0.005 %
  • Fe (Iron) [ACS]:
    Max. 0.01 %

Specification Test Results

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