Warning: Personnel using this standard should have practical experience in formal laboratory work. This standard does not address all possible safety issues. Users are responsible for taking appropriate safety and health measures and ensuring compliance with relevant national regulations. This part of SN/T 2704 specifies the determination of mercury in cutting fluids and machine tool effluents - mercury meter method. This section applies to the determination of mercury in cutting fluids and machine tool drainage fluids.
SN/T 2704.4-2010 history
2010SN/T 2704.4-2010 Cutting fluid and machining process waste fluid.Part 4:Determination of mercury.Direct mercury determining method