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Overview ISO 4939:2016 specifies a dimethylglyoxime spectrophotometric method for the determination of nickel in steel. The method covers nickel mass fractions from 0.10 % to 2.0 % and defines sample…
What is ISO 4939- Determination of nickel about? ISO 4939 is a safety standard for determining nickel . ISO 4939 specifies a spectrophotometric method for the determination of nickel in steel using d…