Complaint
Weifang Ensign Industry Co., Ltd is a large enterprise which specializes in the production of citric acid series products, including citric acid monohydrate, citric acid anhydrous, sodium citrate, potassium citrate, calcium citrate and more. They have been exported to more than 100 countries and regions.
Also, we work with TTCA, RZBC, Lemon Star, Taihe and more reliable manufacturers in China.
Item | GB14889-94 | BP93/98 | E332 |
Appearance | 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 | 99.0-101.0 | ≥99.0 |
Chlorides,≤ppm | -- | 50 | -- |
Heavy metal(As Pb),≤ppm | 10 | 10 | 5 |
Sodium,≤% | -- | 0.3 | -- |
Oxalates,≤% | -- | 0.03 | 0.01 |
Sulphates,≤% | -- | 0.15 | -- |
Acidity or Alkalinity | By test | Passes test | -- |
Readity carbonisable substances | -- | Not deeper than standard | -- |
Loss on drying(180ºC,4h) | 3.0-6.0 | 4.0-7.0 | ≤6% |
pH(5% aqueous solution) | -- | -- | 7.5-9.0 |
Arsenic(As),≤ppm | 3 | -- | 1 |
Lead(Pb),≤ppm | -- | -- | 1 |
Mercury(Hg),≤ppm | -- | -- | 1 |
