GB/T 42333-2023 Soil and stream sediment—Determination of iodine content—Pressurized ammonia extraction inductively coupled plasma mass spectrometry

GB/T 14505-2010 Method for chemical analysis of rocks and ores—General rules and regulations GB/T 6041-2002 General rules for mass spectrometric analysis GB/T 6041-2020 General rules for mass spectrometric analysis GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method GB/T 6379.4-2006 Accuracy (trueness and precision) of measurement methods and results—Part 4:Basic methods for the determination of the trueness of a standard measurement method 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 14506.1-1993 Silicate rocks—Determination of hygroscopic water content—Gravimetric method GB/T 14506.1-2010 Methods for chemical analysis of silicate rocks—Part 1:Determination of hygroscopic water content GB/T 33087-2016 Ultra pure water for instrumental analysis specification and test methods JJF 1159-2006 Calibration Specification for Quadrupole Inductively Coupled Plasma Mass Spectrometers GB/T 6379.4-2025 Accuracy(trueness and precision)of measurement methods and results—Part 4:Basic methods for the determination of the trueness of a standard measurement method