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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 Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Similar standardsYS/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 is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/YST1028.5-2015 YS NONFERROUS INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA ICS 77.120.99 H 71 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 Issued on. APRIL 30, 2015 Implemented on. OCTOBER 1, 2015 Issued by. Ministry of Industry and Information Technology of PRC Table of ContentsForeword... 3 1 Scope... 4 2 Method summary... 4 3 Reagents... 4 4 Instruments... 5 5 Samples... 6 6 Analysis steps... 6 7 Calculation... 7 8 Precision... 7 9 Test report... 9ForewordYS/T 1028 Methods for chemical analysis of lithium iron phosphate consists of 5 parts. -- Part 1.Determination of total iron content - Titanium trichloride reduction potassium dichromate titration methods; -- Part 2.Determination of lithium content - Flame photometry; -- Part 3.Determination of phosphor content - Quinoline phosphomolybdate gravimetry; -- Part 4.Determination of carbon content - High frequency combustion with infrared absorption method; -- Part 5.Determination of calcium, magnesium, zinc, copper, lead, chromium, sodium, aluminium, nickel, cobalt and manganese content - Inductively coupled plasma atomic emission spectrometry This part is Part 5 of YS/T 1028. This part was drafted in accordance with the rules given in GB/T 1.1-2009. This part was proposed and shall be under the jurisdiction of the National Technical Committee on Nonferrous Metals of Standardization Administration of China (SAC/TC243). Drafting organizations of this part. Guangdong Brunp Recycling Technology Co., Ltd., Beijing General Research Institute of Mining & Metallurgy, General Research Institute of Nonferrous Metals, Guangzhou Research Institute of Nonferrous Metals. Main drafters of this part. Li Changdong, Yu Haijun, Xie Yinghao, Zhang Xuemei, Feng Xianjin, Jiang Qiutao, Zhang Diankai, Ding Hao, Xiong Xiaoyan, Wang Jin. 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 spectrometry1 ScopeThis 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 element2 Method summaryThe 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 Reagents3.1 Hydrochloric acid (guaranteed reagent, ρ≈1.19 g/mL). Element Element Measuring range w / % Measuring range w / % 3.2 Hydrochloric acid (1+1). 3.3 Hydrochloric acid (1+19).4 InstrumentsInductively coupled plasma atomic emission spectrometer. Under the best working conditions of the instrument, any instrument that can achieve the following indexes can be used.5 SamplesThe particle size of the sample shall not be larger than 0.10 mm.6 Analysis steps6.1 Specimen Weigh the sample (Chapter 5) according to Table 3, accurate to 0.0001 g. 6.2 Number of measurements Weigh 2 specimens, conduct parallel measurements, and take the average value. 6.3 Blank test Do a blank test along with the specimen. 6.5 Drawing of working curve Accurately pipette 0 mL, 0.40 mL, 1.00 mL, 2.00 mL, 5.00 mL, 10.00 mL, and 20.00 mL of mixed standard solution (3.5) into 100 mL volumetric flasks, dilute to the mark with hydrochloric acid (3.3), and mix well. On the ICP spectrometer with optimized parameters, measure the spectral intensity of each element such as calcium, magnesium, zinc, copper, lead, chromium, sodium, aluminium, nickel, cobalt, and manganese, and draw a working curve. 6.6 Determination Mass fraction / % Specimen / g Test solution volume / mL On the ICP spectrometer with optimized parameters, measure the spectral intensity of calcium, magnesium, zinc, copper, lead, chromium, sodium, aluminium, nickel, cobalt,7 CalculationThe content of the element to be measured is calculated based on the mass fraction wx of the element to be measured, and the value is expressed in % and calculated according to formula (1).8 Precision8.1 Repeatability The measured values of two independent test results obtained under repeatability conditions are within the average value range given below; the absolute difference between the two test results does not exceed the repeatability limit (r), the probability of exceeding the repeatability limit (r) does not exceed 5%, and the repeatability limit (r) is obtained by linear interpolation according to the data in Table 4.9 Test reportThe test report shall include the following content. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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