去离子水的检验标准

萧兴旺
2019-08-29


去离子水的检验标准

No.

检测项目 / Inspection Items

specification

1

硅污染 / Silicone contamination (Shaking test)

消泡速度与150号溶剂相同 / Behaviour same as the reference sample Solvent #150

2

硅酸含量 / Content, SiO2

< 0.005 mg / L

3

外观 / Appearance

澄清,无色液体,无机械杂质 / Clear, colourless liquid, no mechanical impurity

4

电导率(20 C) / Conductivity (20 C)

< 0.5 µS / cm

5

pH(20 C) / pH (20 C)

5 - 7

6

浊度 / Turbidity

< 0.5 TE / F

7

菌落数 / Colony Number

0 KBE / mL (未检出)

8

氯化物含量 / Content, chloride

< 3 mg / L

9

蒸发后残渣 / Dry residue

< 0.005 mg / L

10

/Natrium

< 0.005 mg / L

11

总有机碳合物, TOC, TC / Total organic carbon

< 0.4 mg / L

12

硬度 / Hardness

< 0.0005 mmol / L