Description
Name of index
BP98
E-332(ii)
Description
White, hygroscopic, granular powder or transparent crystals
Identification
Positive tests for citrate and for potassium
Appearance of solution
Clear and colourless
--
Assay(on anhydrous basis),%
99.0_101.0
≥99.0
Chloride ,≤ppm
50
--
Heavy metals ( As Pb ) ,≤ppm
10
5
Sodium,≤%
0.3
--
Oxalates,≤%
0.03
0.01
Sulphates,≤%
0.015
--
Acidity or Alkalinity
Passes test
--
Easiest carbonated substances
Not deeper than standard
--
Loss on drying(180°C,4h)
4.0-7.0
≤6%
pH(5% aqueous solution)
7.5-9.0
Arsenic(As),≤ppm
--
1
Lead(Pb),≤ppm
--
1
Mercury(Hg),≤ppm
--
1
Complaint
