价格:未填
供应:99999
发货:3天内
磷酸二氢铵化学式NH4H2PO4分子量115.0指标名称工业级食品级1.含量(以NH4H2PO4计)%≥98.098.02.P2O5%≥60.560.53.PH值（1%水溶液）4.4-4.64.4-4.64.N.%≥11.911.95.水不溶%≤0.100.106.H2O%≤0.200.207.砷（以AS计）%≤0.00038.氟（以F计）%≤0.0059.重金属（以Pb计）%≤0.001