Requirements for various indicators of sodium gluconate:
Content ≥ 98% ≥ 98% ≥ 98.5%
Chloride - ≤ 0.07% ≤ 0.05%
Arsenic salt ≤ 3P P. M ≤ 3P P. M ≤ 3P P. M
Lead salt ≤ 10P P. M ≤ 10P P. M ≤ 0.001%
Heavy metals ≤ 20P P. M ≤ 20P P. M ≤ 0.002%
Sulfate - ≤ 0.05% ≤ 0.05%
Reduced substances ≤ 0.5% ≤ 0.5% ≤ 0.5%