DL/T 2509-2022
GB/T 18932.1-2002
Method for the determination of C-4 plant sugars in honey--Stable carbon isotope ratio method
GB/T 5121.4-2008
Methods for chemical analysis of copper and copper alloys - Part 4:Determination of carbon and sulfur content
YS/T 1550.4-2022
YS/T 1562.4-2022
KS I 0587-2023
Stationary source emissions - Measurement method for volumetric flow rate of Non-CO2 GHG(CF4, NF3, SF6, N2O) in semiconductor and display manufacturing process
YS/T 424.4-2022
YS/T 1585.4-2022
NA-2242
Dew-Point and Gas-Phase Data for a Mixture of 30.6 Mole Percent Nitrogen- 69.4 Mole Percent R14 (CF4)
DIN EN ISO 4499-4
Hardmetals - Metallographic determination of microstructure - Part 4: Characterisation of porosity, carbon defects and eta-phase content (ISO 4499-4:2016)
EN ISO 4499-4:2016
ISO 4499-4:2016
Hardmetals — Metallographic determination of microstructure — Part 4: Characterisation of porosity, carbon defects and eta-phase content
JIS G 1211-4:2011
Iron and steel -- Determination of carbon content -- Part 4: Infrared absorption method after combustion in a furnace with preheating or peak separating
KS D ISO 4830-4-2005(2010)
Steel-Determination of low carbon contents-Part 4:Coulometric method after combustion
IEC TS 62607-4-6:2018
Nanomanufacturing - Key control characteristics - Part 4-6: Nano-enabled electrical energy storage devices - Determination of carbon content for nano electrode materials, infrared absorption method
DIN EN ISO 4499-4-DRAFT
Draft Document - Hardmetals - Metallographic determination of microstructure - Part 4: Characterisation of Porosity, Carbon Defects and Eta-phase content (ISO/DIS 4499-4:2014); German version prEN ISO 4499-4:2014
ISO/TR 4830-4:1978
Steel — Determination of low carbon contents — Part 4: Coulometric method after combustion
31981R1597
31979R0326
31979R3028