product characters：white or yellowish crystalline ganules or crystalline powders
executive standards：bp/usp/fcc/e332/gb1886.74-2015
packaging：25kg net composite paper-plastic bag or 3-ply kraft paper bag with pe liner,form-fill-seal heavy packaging pe bags；500kg or 1000kg net pp woven jumbo bag with pe liner
storage：kept in a clean,dry,well-ventilated place
main usage：potassium citrate is used as buffer,chelating agent,stabilizer,etc in food industry;it can be used for milk and dairy products preservation;in pharmaceutical industry,it’s used for hypokalemia,etc; it can also be used as chemical analysis reagent.
particle size |
| |||||
| item | unit | bp | usp | fcc | e 332 | gb 1886.74-2015 |
| characters | / | white crystalline powders | ||||
| identification | / | pass test | ||||
| color & clarity of solution | / | pass test | / | / | / | / |
| alkalinity | / | pass test | pass test | pass test | / | pass test |
| assay | % | 99.0～101.0 | 99.0～100.5 | 99.0～100.5 | ≥99.0 | 99.0～100.5 |
| light transmittance | % | / | / | / | / | ≥95.0 |
| water | % | 4.0～7.0 | / | / | / | / |
| loss on drying | % | / | 3.0～6.0 | 3.0～6.0 | ≤6.0 | 3.0～6.0 |
| sodium | % | ≤0.3 | / | / | / | / |
| readily carbonized substances | / | not darker than standard | / | / | / | ≤1.0 |
| sulphate | ppm | ≤150 | / | / | / | ≤150 |
| chloride | ppm | ≤50 | / | / | / | ≤50 |
| oxalate | ppm | ≤300 | / | / | ≤100 | ≤300 |
| iron | ppm | / | / | / | / | ≤5.0 |
| calcium | ppm | / | / | / | / | ≤200 |
| lead | ppm | / | / | ≤2 | ≤1 | ≤2.0 |
| arsenic | ppm | / | / | / | ≤1 | ≤1.0 |
| mercury | ppm | / | / | / | ≤1 | / |
| tartrate | ppm | / | pass test | / | / | / |
| ph | / | / | / | / | 7.5～9.0 | / |
| water insoluble substance | / | / | / | / | / | pass test |