GB/T 43861-2024 General rules for microwave plasma atomic emission spectrometry

GB/T 23942-2009 Chemical reagent—General rules for inductively coupled plasma atomic emission spectrometry GB/T 27417-2017 Comformity assessment—Guidance on validation and verification of chemical analytical methods GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity GB/T 622-1989 Chemical reagent—Hydrochloric acid GB/T 622-2006 Chemical reagent—Hydrochloric acid GB/T 626-1989 Chemical reagent—Nitric acid GB/T 626-2006 Chemical reagent—Nitric acid GB/T 4842-1995 Pure argon GB/T 4842-2006 Argon GB/T 4842-2017 Argon GB/T 4844-2011 Pure helium,high pure helium and ultra pure helium GB 4844.2-1995 Pure helium GB/T 4844.3-1995 High purity helium GB/T 6379.1-2004 Accuracy(trueness and precision)of measurement methods and results—Part 1:General principles and definitions GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 8979-1996 Pure nitrogen GB/T 8979-2008 Pure nitrogen and high purity nitrogen and ultra pure nitrogen GB/T 13966-1992 Analytical instrument—Vocabulary GB/T 13966-2013 Terminology for analytical instruments JY/T 0567-2020 LCP-ICP-OES method general principles for analysis JY/T 0567-2020 GB/T 8979-2025 Pure nitrogen,high purity nitrogen and ultra pure nitrogen GB/T 4844-2025 Pure helium,high purity heliun and ultra purity helium GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity