GB/T 5750.5-2006 Standard examination methods for drinking water—Nonmetal parameters

Scope

This standard replaces the sulfate, chloride, fluoride, cyanide, nitrate nitrogen in Part II of GB/T 5750-1985, and ammonia nitrogen, nitrite nitrogen, and iodide in Appendix A. The main changes of this standard compared with GB/T 5750-1985 are as follows: - The structure is adjusted according to GB/T 1.1-2000 "Guidelines for Standardization Work - Part 1: Structure and Writing Rules for Standards" and GB/T 20001.4-2001 "Rules for Standard Writing - Part 4: Chemical Analysis Methods"; - The units of measurement are modified according to the requirements of national standards; - The equivalent concentration is changed to molar concentration (the equivalent concentration is still retained in the redox part); - The symbol for mass concentration is changed from C to ρ, and the symbol for content is changed from M to m; - Four test methods for three indicators (sulfide, phosphate, and boron) are added; - The test methods for three indicators (fluoride, nitrate nitrogen, and iodide) are revised.

Development Information

Same series standard

Replace the following standards

Superseded by the following standards

Related Standards