This part of SN/T 2704 specifies the ion chromatography method for the determination of nitrite in cutting fluids and machine tool effluents. This section is applicable to the determination of nitrite in oily cutting fluids and machine tool drainage fluids.
SN/T 2704.3-2010 history
2010SN/T 2704.3-2010 Cutting fluid and machining process waste fluid.Part 3:Determination of nitrite.Ion chromatography