product characters：white crystalline powders, colorless crystals or granules
executive standards ：bp/usp/fcc/e331/gb1886.25-2016
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：sodium citrate is used as flavors, stabilizing agent, flavoring agent,etc in food and beverage industry;it can be used as anti-blood clotting, apophlegmatisant,etc in phamaceutical industry; it can also be used in detergent industry,brewing, injection, photography drugs,electroplating,etc.
particle size | ||||||
| item | unit | bp | usp | fcc | e331 | gb1886.235-2016 | ensign |
| characters | / | colorless crystals or white crystalline powder | |||||
| identification | / | pass test | |||||
| color & clarity of solution | / | pass test | / | / | / | / | pass test |
| acidity or alkalinity | / | pass test | pass test | pass test | / | pass test | pass test |
| light transmittance | % | / | / | / | / | ≥95.0 | / |
| assay | % | 99.0～101.0 | 99.0～100.5 | 99.0～100.5 | ≥99.0 | 99.0～100.5 | 99.0-100.5 |
| water | % | 11.0～13.0 | 10.0～13.0 | 10.0～13.0 | 10.0～13.0 | 10.0～13.0 | 11.0-13.0 |
| readily carbonisable substances | / | not darker than standard | / | / | / | ≤1.0 | not darker than standard t＞80% |
| sulphate | ppm | ≤150 | / | / | / | ≤100 | ≤50 |
| chloride | ppm | ≤50 | / | / | / | ≤50 | ≤10 |
| oxalate | ppm | ≤300 | / | / | ≤100 | ≤100 | ≤50 |
| iron | ppm | / | / | / | / | ≤5.0 | ≤5 |
| calcium | ppm | / | / | / | / | ≤200 | / |
| lead | ppm | / | / | ≤2 | ≤1 | ≤2.0 | ≤0.1 |
| arsenic | ppm | / | / | / | ≤1 | ≤1.0 | ≤0.1 |
| mercury | ppm | / | / | / | ≤1 | / | ≤0.1 |
| tartrate | ppm | / | pass test | / | / | / | pass test |
| heavy metals | ppm | / | ≤10 | / | / | / | ≤5 |
| ph | / | / | / | / | 7.5-9.0 | / | 7.5-9.0 |
| pyrogen | / | pass test | / | / | / | / | pass test |
| insolubles in water | / | / | / | / | / | / | / |