In 25kg composite plastic woven/paper bag with PE liner.
Storage and transport:To be stored in a dry, ventilate and clean warehouse; Valid for two years.
Commonly, we add this product according to the proportion of 0.2-0.5%.
It can be adjustable according to the actual situation.
Food Grade Zinc Citrate
Molecular formula:Zn3(C6H5O7)2·2H2O
Molecular Weight:610.37
Quality standards:
Name of index | GB 1903.49-2020 | Index |
Content ≥ % | - | 97.5 |
Content (Zn)≥ % | 31.3 | 31.0 |
Loss on drying ≤% | 1.0 | 5.8 |
PH (1% aqueous solution) | - | 6.0-7.0 |
Cl ,≤% | 0.05 | - |
Sulphate salt(SO4),≤% | 0.05 | - |
Fe≤% | 0.005 | - |
As ,≤% | 0.0002 | - |
Cd ,≤% | 0.0005 | - |
Heavy Metals (as Pb)≤% | - | 0.002 |
Fluoride(F) ≤% | - | 0.003 |
Pb ≤% | 0.0005 | 0.001 |