| ≥1 piece |
|
Items
|
Unit
|
Citric acid anhydrous(BP98)
|
|
Assay
|
%
|
99.5-100.5
|
|
Oxalate ≤
|
%
|
0.035
|
|
Sulfate ash≤
|
%
|
0.1
|
|
Heavy metals(as pb) ≤
|
%
|
0.001
|
|
sulphates≤
|
%
|
0.015
|
|
Water ≤
|
%
|
1
|
|
Aluminium ≤
|
%
|
0.00002
|
|
Readily carbonisable substance
|
|
Test passed
|