Download or read book GB T 42511 2023 Translated English of Chinese Standard GB T 42511 2023 GBT42511 2023 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2023-12-19 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Document describes a method for the determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cobalt powders by flame atomic absorption spectrometry. This Document is applicable to the determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc content in cobalt powder. The determination range (mass fraction) of copper, potassium, magnesium, manganese, sodium and zinc: 0.001%~0.01%; the determination range (mass fraction) of calcium: 0.002%~0.01%; and the determination range (mass fraction) of iron and nickel :0.002%~0.05%.