项目 | 单位 | UP级规格 | EL级规格 |
含量 | % | 30.0-32.0 | 30.0-32.0 |
色度 | 黑曾 | ≤10 | ≤10 |
灼烧残渣(以硫酸盐计) | ppm | ----- | ≤25 |
颗粒(≥0.5um) | 个/ml | ≤25 | ----- |
颗粒(≥0.3um) | 个/ml | ≤150 | ----- |
颗粒(≥0.2um) | 个/ml | ≤300 | ----- |
颗粒(≥1.0um) | 个/ml | ----- | ≤25 |
硝酸盐(NO3) | ppb | ≤400 | ----- |
还原高锰酸钾物质(以SO2计) | ppb | ≤20000 | ≤20000 |
酸度 | Ueq/g | ≤0.6 | ≤0.6 |
氯化物(Cl) | ppb | ≤200 | ≤500 |
磷酸盐(PO4) | ppb | ≤200 | ≤2000 |
硫酸盐(SO4 ) | ppb | ≤0.2 | ≤3 |
总氮量(N) | ppb | ≤4 | ≤4 |
铝(Al) | ppb | ≤10 | ≤10 |
锑(Sb) | ppb | ≤5 | ≤10 |
砷(As) | ppb | ≤10 | ≤50 |
钡(Ba) | ppb | ≤10 | ≤100 |
铍(Be) | ppb | ≤10 | ---- |
铋(Bi) | ppb | ≤10 | ≤20 |
硼(B) | ppb | ≤10 | ≤20 |
镉(Cd) | ppb | ≤10 | ≤50 |
钙(Ca) | ppb | ≤10 | ≤100 |
铬(Cr) | ppb | ≤10 | ≤50 |
钴(Co) | ppb | ≤10 | ≤20 |
铜(Cu) | ppb | ≤10 | ≤50 |
镓(Ga) | ppb | ≤10 | ≤20 |
锗(Ge) | ppb | ≤10 | ≤10 |
金(Au) | ppb | ≤10 | ≤100 |
铁(Fe) | ppb | ≤10 | ≤100 |
铅(Pb) | ppb | ≤10 | ≤20 |
锂(Li) | ppb | ≤10 | ----- |
镁(Mg) | ppb | ≤10 | ≤100 |
锰(Mn) | ppb | ≤10 | ≤50 |
钼(Mo) | ppb | ≤10 | ≤50 |
镍(Ni) | ppb | ≤10 | ≤20 |
铌(Nb) | ppb | ≤10 | ----- |
钾(K) | ppb | ≤10 | ≤50 |
银(Ag) | ppb | ≤10 | ≤20 |
钠(Na) | ppb | ≤10 | ≤200 |
锶(Sr) | ppb | ≤10 | ----- |
钽(Ta) | ppb | ≤10 | ----- |
铊(Tl) | ppb | ≤10 | ----- |
钛(Ti) | ppb | ≤10 | ≤100 |
锡(Sn) | ppb | ≤10 | ≤100 |
钒(V) | ppb | ≤10 | ≤10 |
锌(Zn) | ppb | ≤10 | ≤50 |
锆(Zr) | ppb | ≤10 | ----- |