GB/T 20127.3-2026 Steel and alloy—Determination of trace element contents—Part 3:Determination of scandium and barium content by inductively coupled plasma atomic emission spectrometric method

GB/T 20127.3-2006 Steel and alloy—Determination of trace element contents—Part 3:Determination of calcium, magnesium, barium content by inductively coupled plasma atomic emission spectrometric method GB/T 20127.9-2006 Steel and alloy—Determination of trace element contents—Part 9:Determination of scandium content by inductively coupled plasma atomic emission spectrometric method

GB/T 6379.1-2004 Accuracy(trueness and precision)of measurement methods and results—Part 1:General principles and definitions 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 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 12806-1991 Laboratory glassware—One-mark volumetric flasks GB/T 12806-2011 Laboratory glassware—One-mark volumetric flasks GB/T 12807-1991 Laboratory glassware—Graduated pipettes GB/T 12807-2021 Laboratory glassware—Graduated pipettes GB/T 12808-1991 Laboratory glassware—One-mark pipettes GB/T 12808-2015 Laboratory glassware—One mark pipettes GB/T 20066-2006 Steel and iron—Sampling and preparation of samples for the determination of chemical composition