产品质量：主含量，%≥99.599.85水中不溶物，%≤0.020.014氯化物，%≤0.020.001***，%≤0.010.01***盐，%≤0.020.02氨盐，%≤0.020.02铁，%≤0.0020.002钙，%≤0.020.02钠，%≤0.020.02***（Pb），%≤0.050.05)