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YS/T 424.4-2000 Methods for chemical analysis of titanium diboride powder—Determination of carbon content $130.00 via email in 1~3 business day superseded
YS/T 424.4-2022 Methods for chemical analysis of titanium diboride powder- Part 4:Determination of carbon content- High frequency combustion-infrared absorption method $180.00 via email in 1~3 business day valid
YS/T 424.5-2000 Methods for chemical analysis of titanium diboride powder—Determination of oxygen content $75.00 via email in 1~3 business day superseded
YS/T 424.5-2022 Methods for chemical analysis of titanium diboride powder—Part 5:Determination of oxygen content Pulse heating inert gas fusion-infrared absorption method $180.00 via email in 1~3 business day valid
YS/T 425-2000 Antimony-beryllium pellets $184.00 via email in 1~3 business day superseded
YS/T 425-2013 Antimony-beryllium Pellets $120.00 via email in 1~3 business day valid
YS/T 426.1-2000 Method for chemical analysis of antimony-beryllium pellets—Determination of beryllium content—Potassium fluoride titrimetric methods $130.00 via email in 1~3 business day abolished
YS/T 426.1-2024 Methods for chemical analysis of antimony-beryllium pellets—Part 1: Determination of beryllium content—Potassium fluoride titrimetric method $135.00 via email in 1~3 business day valid
YS/T 426.2-2000 Method for chemical analysis of antimony-beryllium pellets—Determination of antimony content—Potassium bromate titrmetric method $95.00 via email in 1~3 business day to be superseded
YS/T 426.2-2025 Methods for chemical analysis of antimony-beryllium pellets—Part 2: Determi nation of antimony content—Potassium bromate titrimetric method to be valid
YS/T 426.3-2000 Method for chemical analysis of antimony-beryllium pellets—Determination of aluminum content-8—Hydroxyquinoline spectrophotometric method $130.00 via email in 1~3 business day abolished
YS/T 426.3-2025 Methods for chemical analysis of antimony-beryllium pellets—Part 3: Determination of carbon content—High frequency infrared absorption method to be valid
YS/T 426.4-2000 Method for chemical analysis of antimony-beryllium pellets - Determination of lead iron manganese maynesium contents - Atomic absorption spectrophotometric method $184.00 via email in 1~3 business day abolished
YS/T 426.4-2024 Methods for chemical analysis of antimony-beryllium pellets—Part 4: Determination of aluminum, lead, iron, manganese and magnesium contents—Inductively coupled plasma atomic emission spectrometry $180.00 via email in 1~3 business day valid
YS/T 426.5-2000 Method for chemical analysis of antimony-beryllium pellets - Determination of silicon content - ICP-AES method $45.00 via email in 1~3 business day valid
YS/T 426.5-2021 Methods for chemical analysis of antimony-beryllium pellets—Part 5: Determination of silicon content—Inductively coupled plasma atomic emission spectrometry $200.00 via email in 1~3 business day valid
YS/T 426.6-2000 Method for chemical analysis of antimony-beryllium pellets - Determination of beryllium oxide content - Bromine methanol method $45.00 via email in 1~3 business day superseded
YS/T 426.6-2021 Methods for chemical analysis of antimony-beryllium pellets—Part 6: Determination of beryllium oxide content—Inductively coupled plasma atomic emission spectrometry $210.00 via email in 1~3 business day valid
YS/T 426.7-2000 Method for chemical analysis of antimony-beryllium pellets - Determination of carbon content - High frequency-infrared absorption method $104.00 via email in 1~3 business day to be superseded
YS/T 427-2000 Tantalum pentaoxide $224.00 via email in 1~3 business day superseded


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