GB/T 20125-2006 Translated English of Chinese Standard (GB/T 20125-2006, GBT20125-2006): Low-alloy steel -- Determination of multi-element contents -- Inductively coupled plasma atomic emission spectrometric method [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2022 M10 14 - 24 páginas This standard specifies the method for the determination of silicon, manganese, phosphorus, nickel, chromium, molybdenum, copper, vanadium, cobalt, titanium, aluminum, by inductively coupled plasma emission spectrometry. This method is suitable for the determination of silicon, manganese, phosphorus, nickel, chromium, molybdenum, copper, vanadium, cobalt, titanium, aluminum in carbon steel and low alloy steel, which has an iron mass fraction greater than 92%. |
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100 mL volumetric 10X detection limit 500 mL beaker absolute intensity according to formula Add 10 mL Aluminum standard solution Appendix background equivalent concentration Calculate calibration curve solution Chromium standard solution Cobalt standard solution coexisting element contains 100.0 µg Cool to room Copper Vanadium Cobalt coupled plasma atomic Element Analysis line g of pure g/mL GB/T greater than 99.9 Heat to dissolve hydrochloric acid 4.2 hydrogen peroxide ICP-AES inductively coupled plasma interference correction factor internal standard method Iron and Steel mark mass fraction greater mg/L interference element mL of hydrochloric mL of nitric mL of yttrium mL volumetric flask Molybdenum Copper Vanadium nitric acid 4.3 Phosphorus standard solution plasma atomic emission polytetrafluoroethylene relative standard deviation repeatability limit reproducibility limit resolution of spectrometer room temperature sample mass solution contains 1000.0 solution of 10X spectral line stock solution sulfuric acid Table Transfer 10.00 mL water to dilute µg of aluminum µg/mL Weigh