电子级水(GB/T11446.1-2013)
项目 |
技术指标 |
|||||
EW-I |
EW-II |
EW-III |
EW-IV |
|||
电阻率(25℃)/(MΩ·cm) |
≥18* |
≥15** |
≥12 |
≥0.5 |
||
全硅/(μg/L) |
≤2 |
≤10 |
≤50 |
≤1000 |
||
微粒数/(个/L) |
0.05μm-0.1μm |
500 |
— |
— |
— |
|
0.1μm-0.2μm |
300 |
— |
— |
— |
||
0.2μm-0.3μm |
50 |
— |
— |
— |
||
0.3μm-0.5μm |
20 |
— |
— |
— |
||
>0.5μm |
4 |
— |
— |
— |
||
细菌个数/(个/mL) |
≤0.01 |
≤0.1 |
≤10 |
≤100 |
||
铜/(μg/L) |
≤0.2 |
≤1 |
≤2 |
≤500 |
||
锌/(μg/L) |
≤0.2 |
≤1 |
≤5 |
≤500 |
||
镍/(μg/L) |
≤0.1 |
≤1 |
≤2 |
≤500 |
||
钠/(μg/L) |
≤0.5 |
≤2 |
≤5 |
≤1000 |
||
钾/(μg/L) |
≤0.5 |
≤2 |
≤5 |
≤500 |
||
铁/(μg/L) |
≤0.1 |
— |
— |
— |
||
铅/(μg/L) |
≤0.1 |
— |
— |
— |
||
氟/(μg/L) |
≤1 |
— |
— |
— |
||
氯/(μg/L) |
≤1 |
≤1 |
≤10 |
≤1000 |
||
亚硝酸根/(μg/L) |
≤1 |
— |
— |
— |
||
溴/(μg/L) |
≤1 |
— |
— |
— |
||
硝酸根/(μg/L) |
≤1 |
≤1 |
≤5 |
≤500 |
||
磷酸根/(μg/L) |
≤1 |
≤1 |
≤5 |
≤500 |
||
硫酸根/(μg/L) |
≤1 |
≤1 |
≤5 |
≤500 |
||
总有机碳/(μg/L) |
≤20 |
≤100 |
≤200 |
≤1000 |
*95%以上时间>18,100%时间>17
**95%以上时间>15,100%时间>13