Customization: | Available |
---|---|
CAS No.: | 6132-04-3 |
Formula: | Na3c6h5o7.2H2O |
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Name of index | GB6782-2009 | BP2009 | FCC-V | USP32 | E 331 (iii) |
Appearance | White or light yellow crystal or powder | White or light yellow crystal or powder | White or light yellow crystal or powder | White or light yellow crystal or powder | Crystalline white powder or colourless crystals |
Content,% | 99.0-100.5 | 99.0-101.0 | 99.0-100.5 | 99.0-100.5 | ≥99.0(on the anhydrous basis) |
Light transmittance,≥% | 95.0 | Pass test | - | - | - |
Heavy metal(AsPb) ,≤% | - | 0.001 | - | 0.001 | - |
Test for citrate | - | - | - | - | Passes test |
Test for sodium | - | - | - | - | Passes test |
PH(5 % aqueous solution) | - | - | - | - | 7.5-9.0 |
Pb ,≤% | 0.0002 | - | 0.0002 | - | 0.0002 |
AS ,≤% | 0.0001 | - | - | - | 0.0001 |
Mercury ,≤% | - | - | - | - | 0.0001 |
Loss on drying,% | 10.0-13.0 | 11.0-13.0 | 10.0-13.0 | 10.0-13.0 | 10.-13.0(180 °C, 18 hours) |
Cl ,≤% | 0.005 | 0.005 | - | - | - |
Sulphate salt,≤% | 0.01 | 0.015 | - | - | - |
Qxalate salt,≤% | 0.01 | 0.03 | - | - | 0.01(as oxalic acid, after drying) |
Alkalinity,% | Pass test | Pass test | Pass test | Pass test | - |
Readily carbonisable substances | 1.0 | Pass test | - | - | - |
Fe≤% | 0.0005 | - | - | - | - |
Calcium salt≤% | 0.02 | - | - | - | - |
water insoluble | Pass test | - | - | - | - |
Pyrogens | - | Pass test | - | - | - |