27

20-02

Pure Water and Ultrapure Water pH Measurement-glass Electrode Method

2021-09-15

Pure drinking water, engine cooling water, boiler feed water and other pure water or ultrapure water samples have clear requirements for water quality pH.

16

22-02

Method for Measuring Dissolved Oxygen Content in Oxygen-rich Water

2021-09-15

In some water bodies, the dissolved oxygen content in the water will increase significantly due to some reasons, leading to rich oxidation in the water body, and the dissolved oxygen content can reach more than 20mg/L.

26

21-09

Determination of Soil Conductivity

2021-09-15

The national standard HJ 802-2016 "Electrode Method for the Determination of Soil Electrical Conductivity" gives a method for the determination of soil electrical conductivity.

17

21-06

What is the relationship between TDS and conductivity?

2021-09-15

Generally, the conductivity value can be used to roughly understand the salt in the solution.

15

21-04

Application of Potentiometric Titration in Determination of Mercaptan Sulfur Content in Oil

2021-09-15

The sulfur contained in mercaptan in oil is called mercaptan sulfur content.

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