***25kg/10000元吨分子式：Cr(NO3)2·9H2O规格HG3-936-76指标名称指标***，%≥98水不溶物，%≤0.02氯化物，%≤0.01铝，%≤0.05铁，%≤0.01钙，%≤0.01钾，%≤0.1钠，%≤0.1)