指標(biāo)名稱

規(guī)格

優(yōu)級(jí)純

分析純

化學(xué)純

特殊規(guī)格可定制 

含量(HPO).w/%

≥85.0

>85.0

>85.0

色度/黑曾單位

≤10

≤25

≤25

揮發(fā)酸(以H+計(jì))/(mmol/g)

≤0.000 2

≤0.000 2

≤0.000 2

氯化物(C)，w/%

≤0.000 2

≤0.000 3

≤0.000 5

硫酸鹽(SO)，w/%

≤0.001

≤0.003

≤0.01

硝酸鹽(NO;)，w/%

≤0.000 3

≤0.000 5

≤0.000 5

砷(As)w/%

≤0.000 05

≤0.000 05

≤0.000 1

鐵(Fe),w/%

≤0.001

≤0.002

≤0.002

鈉(Na),w/%

≤0.025

≤0.05

≤0.06

鉀(K)w/%

≤0.003

≤0.005

≤0.006

錳(Mn).w/%

≤0.000 2

≤0.000 2

≤0.000 5

鎳(Ni)，w/%

≤0.000 3

≤0.000 5

≤0.001

銅(Cu).w/%

≤0.000 3

≤0.000 5

≤0.001

鋅(Zn).w/%

≤0.000 5

≤0.001

≤0.001

鎘(Cd).w/%

≤0.000 3

≤0.000 5

≤0.000 5

鉛(Pb),w/%

≤0.000 5

≤0.001

≤0.001

還原物質(zhì)(以H:PO:計(jì)),w/%

≤0.000 5

≤0.01

≤0.03