GB/T 29918-2023 Rare earth-based hydrogen storage alloys—Test method for measurement of pressure-composition isotherm(PCI)

GB/T 29918-2013 Method for measuring pressure-composition isotherms of RE-base AB5 hydrogen storage alloys

GB/T 6003.1-2022 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth GB/T 3634.2-2011 Hydrogen—Part 2:Pure hydrogen,high pure hydrogen and ultrapure hydrogen 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 6379.2-2004 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 7160-1987 Micron nickel carbonyl powder GB/T 7160-2008 Carbonyl nickel powder GB/T 7160-2017 Carbonyl nickel powder GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 15676-1995 Terms for rare earths GB/T 15676-2015 Terms for rare earths GB/T 26412-2010 RE-base AB5 hydrogen storage alloy powder used in negative pole of nickel metal hydride batteries GB/T 31963-2015 RE-Mg-Ni-base superlattice hydrogen storage powder used in negative electrodes of nickel-metal hydride batteries YS/T 376-2010 Physical pure platinum wires YS/T 484-2005 Method for measuring the discharge capacity of the hydrogen storage alloys as the negative electrode of the metal hydride-nickel battery GB/T 3634.2-2025 Hydrogen—Part 2:Pure hydrogen,high purity hydrogen and ultra purity hydrogen GB/T 4844-2025 Pure helium,high purity heliun and ultra purity helium