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YS/T 1028.5-2015 English PDF (YST1028.5-2015)

YS/T 1028.5-2015 English PDF (YST1028.5-2015)

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YS/T 1028.5-2015: Methods for chemical analysis of lithium iron phosphate. Part 5: Determination of calcium、magnesium、zinc、copper、lead、chromium、sodium、aluminium、nickel、cobalt、manganese content. Inductively coupled plasma atomic emission spectrometry
This part of YS/T 1028 specifies the determination method of the content of calcium, magnesium, zinc, copper, lead, chromium, sodium, aluminium, nickel, cobalt and manganese in lithium iron phosphate. This part applies to the determination of the content of calcium, magnesium, zinc, copper, lead, chromium, sodium, aluminium, nickel, cobalt and manganese in lithium iron phosphate. The measurement range is shown in Table 1. Table 1 -- Measuring range of each element 2 Method summary The sample is dissolved with hydrochloric acid, the carbon in it is filtered out, and the element to be measured is measured by using an inductively coupled plasma atomic emission spectrometer. 3 Reagents 3.1 Hydrochloric acid (guaranteed reagent, ¦Ñ¡Ö1.19 g/mL). Element Element Measuring range w / % Measuring range w / % YS/T 1028.5-2015 www.ChineseStandard.net ? Buy True-PDF ? Auto-delivery Page 5 of 9 3.2 Hydrochloric acid (1+1). 3.3 Hydrochloric acid (1+19). 3.4 Calcium, magnesium, zinc, copper, lead, chromium, sodium, aluminium, nickel, cobalt, manganese standard stock solutions (1000 ¦Ìg/mL). 3.5 Mix standard solutions: Respectively pipette 5 mL of calcium, magnesium, zinc, copper, lead, chromium, sodium, aluminium, nickel, cobalt, and manganese standard stock solutions (3.4) into a 100 mL volumetric flask, dilute with hydrochloric acid (3.3) to the mark, and mix well. 1 mL of this solution contains 50 ¦Ìg of calcium, magnesium, zinc, copper, lead, chromium, sodium, aluminium, nickel, cobalt, and manganese. 4 Instruments Inductively coupled plasma atomic emission spectrometer. Under the best working conditions of the instrument, any instrument that can achieve the following indexes can be used: -- Ligh

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