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Overview EN ISO 4943:2022 - titled Steel and cast iron - Determination of copper content - Flame atomic absorption spectrometric method - specifies a validated laboratory procedure for measuring copp…
Overview EN ISO 4947:2020 - "Steel and cast iron - Determination of vanadium content - Potentiometric titration method" - is the CEN-adopted version of ISO 4947:2020. This standard specifies a potent…
Overview EN ISO 4945:2018 - titled Steel - Determination of nitrogen - Spectrophotometric method (ISO 4945:2018) - is a CEN-endorsed international standard that specifies a laboratory spectrophotomet…
Overview EN ISO 4946:2016 - "Steel and cast iron - Determination of copper - 2,2'-Biquinoline spectrophotometric method" is a CEN-adopted international standard specifying a spectrophotometric proced…
1 Scope This document specifies an N-benzoylphenylhydroxylamine (N-BPHA) spectrophotometric method for the determination of vanadium in steels and cast irons. This document is applicable to vanadium…
What is ISO 4947 about ? ISO 4947 is an international standard on steel and cast iron on the d etermination of vanadium content to improve its quality. ISO 4947 specifies a potentiometric titration m…
What is ISO 4946- Determination of copper- 2,2'-Biquinoline spectrophotometric method about? ISO 4946 is a safety standard on steel and cast iron . ISO 4946 specifies a spectrophotometric method for…
Overview ISO 4940:2025 specifies a flame atomic absorption spectrometric (FAAS) method for the determination of nickel content in steel and cast iron. The method covers nickel mass fractions from 0.0…
Overview ISO 4945:2018 specifies a spectrophotometric method for the determination of nitrogen in steel. It covers measurement of nitrogen mass fractions from 0.0006 % to 0.050 % in low-alloy steels…
Overview ISO 4940:1985 specifies a validated flame atomic absorption spectrometric (AAS) method for the determination of nickel (Ni) in steel and cast iron. The standard covers sample dissolution, re…
Overview ISO 4941:1994 specifies a validated analytical procedure - the thiocyanate spectrophotometric method - for the determination of molybdenum (Mo) content in steel and iron. This second edition…
Overview ISO 4943:2022 - Steel and cast iron: Determination of copper content by flame atomic absorption spectrometric method specifies a validated laboratory procedure for measuring copper in steel…
Overview ISO 4948-2:1981 - "Steels - Classification - Part 2" defines how unalloyed and alloy steels are classified by their main quality classes and by prioritized property or application characteri…
Overview ISO 4941:2024 - Steel and iron - Determination of molybdenum content - Thiocyanate spectrophotometric method - specifies a validated laboratory procedure for measuring molybdenum (Mo) conten…
Overview ISO 494:2017 - Cylindrical shank twist drills (Long series) specifies the dimensional requirements for cylindrical‑shank twist drills with working lengths in the long series. The standard de…
Overview ISO 4942:2016 specifies an N‑benzoylphenylhydroxylamine (N‑BPHA) spectrophotometric method for the determination of vanadium in steels and cast irons. The method is applicable to vanadium ma…
Overview ISO 4946:2016 specifies a spectrophotometric method for the determination of copper in steel and cast iron using the 2,2'-biquinoline (cuproine) reagent. The method covers copper mass fracti…
Overview ISO 4948-1:1982 is an internationally recognized standard published by the International Organization for Standardization (ISO) that establishes a systematic classification of steels based o…
Overview ISO 4947:2020 - Steel and cast iron - Determination of vanadium content - Potentiometric titration method specifies a laboratory procedure for measuring vanadium in steel and cast iron. The…