GB/T 12690.3-2015(\u82f1\u6587\u7248)
稀土金属及其氧化物中非稀土杂质化学分析方法 第3部分:稀土氧化物中水分量的测定 重量法
GB/T 34500.2-2017(\u82f1\u6587\u7248)
稀土废渣、废水化学分析方法 第2部分:化学需氧量(COD)的测定
GB/T 19444-2004
Oxygen precipitation characterization of silicon wafers by measurement of interstitial oxygen reduction
GB/T 27853-2011
Chemicals - Aerobic and anaerobic transformation in aquatic sediment systems test
HG/T 3930-2007
Heavy oxygen(18O)water
GB/T 5158.3-2011
Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen
GB/T 43598-2023
Nanotechnology—Measurement for oxygen content and C/O of graphene powder—X-ray photoelectron spectroscopy
GB/T 24583.7-2019
Vanadium-nitrogen—Determination of oxygen content—Infrared absorption method
GB/T 12157-2022
Determination of dissolved oxygen in water for industrial circulating cooling system and boiler
GB/T 1557-2018
Test method for determining interstitial oxygen content in silicon by infrared absorption
GB/T 5158.4-2011
Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction
GB/T 14144-2009
Testing method for determination of radial interstitial oxygen variation in silicon
GB/T 4164-2008
Metallic powders - Determination of hydrogen reducible oxygen content
SN/T 2947-2011
Determination of active content of oxyfluorfen
DL/T 433-2015
Determination of chlorine content in phosphate ester fire-resistant fluids (Bomb method)
GB/T 1507-2006
Manganese Ores - Determination of active oxygen content - Potassium dichromate titrimetric method
MT/T 837-1999
Method of determining minimum oxygen content concentration for coal dust explosion
DB23/T 2492-2019
20231107-T-469
Test method for oxygen precipition characteristics of silicon wafers —Interstitial oxygen reduction
YB/T 4566.9-2016
Ferrovanadium nitride-Determination of oxygen content-Infrared absorption method