GB/T 39994-2021
Determination of six metal elements (iron, calcium, magnesium, zinc, titanium,copper) in polyolefin pipe system (English Version)
- Standard No.
- GB/T 39994-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Latest
- GB/T 39994-2021
- Scope
- This document specifies the determination methods for the content of six metals: iron, calcium, magnesium, zinc, titanium and copper in polyolefin pipes and raw materials. This document is applicable to the determination of the content of six metals (iron, calcium, magnesium, zinc, titanium, copper) in various polyolefin pipes, fittings, and valves. It is also applicable to compound materials, recycled materials, and recycled materials (recycled materials). Determination of six metal elements (iron, calcium, magnesium, zinc, titanium, copper) in the
GB/T 39994-2021 Referenced Document
- GB/T 19278-2018 General terms and their definitions of thermoplastic pipes, fittings and valves
- GB/T 21187 Atomic absorption spectrophotometer
- GB/T 36244 Inductively coupled plasma atomic emission spectrometer
- GB/T 37837-2019 General rules for quadrupole inductively coupled plasma mass spectrometry
- GB/T 602 Chemical reagent--Preparations of standard solutions for impurity
- GB/T 6682-2008 Water for analytical laboratory use.Specification and test methods
- GB/T 9345.1-2008 Plastics.Determination of ash.Part1:General methods
GB/T 39994-2021 history
- 2021 GB/T 39994-2021 Determination of six metal elements (iron, calcium, magnesium, zinc, titanium,copper) in polyolefin pipe system
