GB/T 12690.5-2017Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides - Part 5: Determination of cobalt, manganese, lead, nickel, copper, zinc, aluminium, chromium, magnesium, cadmium, vanadium and iron (English PDF)

GB/T 12690.5-2017 is the English-translated version of 稀土金属及其氧化物中非稀土杂质化学分析方法 第5部分：钴、锰、铅、镍、铜、锌、铝、铬、镁、镉、钒、铁量的测定.

GB/T 12690.5-2017 is the Chinese standard "Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides - Part 5: Determination of cobalt, manganese, lead, nickel, copper, zinc, aluminium, chromium, magnesium, cadmium, vanadium and iron".

Its scope clause reads: GB/T 12690 provisions of this part of cobalt, manganese, lead, nickel, copper, zinc, aluminum, chromium, magnesium, cadmium, vanadium, iron content of rare earth metals and their oxidation Oxides of cobalt, manganese oxide, lead oxide, nickel oxide, copper oxide, zinc oxide, aluminum oxide, chromium oxide, magnesium oxide, cadmium oxide, vanadium oxide, iron oxide Determination of content.

This section applies to cobalt, manganese, lead, nickel, copper, zinc, aluminum, chromium, magnesium, cadmium, vanadium, iron content and oxides of rare earth metals cobalt oxide, oxidation Determination of manganese, lead oxide, nickel oxide, copper oxide, zinc oxide, aluminum oxide, chromium oxide, magnesium oxide, cadmium oxide, vanadium oxide, iron oxide content.

Total package Two methods are included. Method 1 Inductively coupled plasma atomic emission spectrometry, Method 2 Inductively coupled plasma mass spectrometry.

Method 1 Measurement range See Table 1, Method 2 determination range in Table 2.

Table 1 Oxide measurement range (mass fraction) /% Oxide measurement range (mass fraction) /% Cobalt oxide 0.0010 to 0.10 Alumina 0.0010 to 0.10 Manganese oxide 0.0010 to 0.10 Chromium oxide 0.0010 to 0.10 Lead oxide 0.0010 to 0.10 Magnesium oxide 0.0002 to 0.10 Nickel oxide 0.0010 to 0.10 Cadmium oxide 0.0010 to 0.10 Copper oxide 0.0010 to 0.10 Vanadium oxide 0.0010 to 0.10 Zinc oxide 0.0010 to 0.10 Iron oxide 0.0010 to 0.50 Table 2 Oxide measurement range (mass fraction) /% Oxide measurement range (mass fraction) /% Cobalt oxide 0.0001 to 0.050 Alumina 0.0003 to 0.050 Manganese oxide 0.0001 to 0.050 Chromium oxide 0.0001 to 0.050 Lead oxide 0.0001-0.050 Magnesia 0.0001-0.050 Nickel oxide 0.0001 to 0.050 Cadmium oxide 0.0001 to 0.050 Copper oxide 0.0001 to 0.050 Vanadium oxide 0.0001 to 0.050 Zinc oxide 0.0003 to 0.050 - -. Its clauses include methods 1.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.

GB/T 12690.2-2015|GB/T 12690.3-2015|GB/T 12690.5-2017|GB/T 12690.12-2024|GB/T 17803-2015|GB/T 12690.1

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