项目名称 

工业级 

外观

白色或无色结晶

主含量（以KH2H2PO4计）                        %≥

99.0

磷(以P计)                                                       %≥

22.3

钾（以K计）                                                 %≥

28.0

水份                                                                %≤

0.5

重金属(以Pb计)                                            %≤

0.002

砷(以As计)                                                    %≤

0.001

氯化物(以Cl计)                                             %≤

1.0

硫酸盐（以so4计）                                     %≤

0.1