YS/T 928.3-2013 English PDF
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YS/T 928.3-2013: Methods for chemical analysis of nickel cobalt manganese composite hydrogenoxide. Part 3: Determination of nickel, cobalt, manganese content. Inductively coupled plasma atomic emission spectromertric
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YS NONFERROUS INDUSTRY STANDARD ICS 77.120.60 H 13 Methods for Chemical Analysis of Nickel Cobalt Manganese Composite Hydrogenoxide - Part 3.Determination of Nickel, Cobalt, Manganese Content - Inductively Coupled Plasma Atomic Emission Spectrometric Issued on. OCTOBER 17, 2013 Implemented on. MARCH 1, 2014 Issued by. Ministry of Industry and Information Technology of the People’s Republic of China
Table of Contents
Foreword... 3 1 Scope... 4 2 Method Summary... 4 3 Reagents... 4 4 Instrument... 6 5 Analytical Procedures... 6 6 Calculation and Expression of Analysis Results... 7 7 Precision... 8 8 Test Report... 8Foreword
YS/T 928 Methods for Chemical Analysis of Nickel Cobalt Manganese Composite Hydrogenoxide includes the following six parts. ---Part 1.Determination of Chloride Ion Contents - Silver Chloride Turbidimetry; ---Part 2.Determination of Nickel Contents - Dimethylglyoxime Gravimetric; ---Part 3.Determination of Nickel, Cobalt, Manganese Content - Inductively Coupled Plasma Atomic Emission Spectrometric; ---Part 4.Determination of Iron, Calcium, Magnesium, Copper, Zinc, Silicon, Aluminum, Sodium Contents - Inductively Coupled Plasma Atomic Emission Spectrometric; ---Part 5.Determination of Lead Contents - Inductively Coupled Plasma Mass Spectrometry; ---Part 6.Determination of Sulfate Ion Contents - Ion Chromatography. This is Part 3 of YS/T 928. This Part was drafted in accordance with the rules provided in GB/T 1.1-2009. This Standard shall be under the jurisdiction of National Technical Committee 243 on Nonferrous Metals of Standardization Administration of China (SAC/TC 243). The responsible drafting organizations of this Standard. Jinchuan Group Co., Ltd.; Foshan BRUNP Recycling Technology Co., Ltd.; Beijing BGRIMM Research Institute of Mining & Metallurgy. The drafting organizations of this Part. Jinchuan Group Co., Ltd.; Foshan BRUNP Recycling Technology Co., Ltd. The participating drafting organizations of this Part. Hunan Nonferrous Metals Research Institute; Yingde Jiana Metal Technology Co., Ltd.; CITIC Guoan MGL Power Technology Co., Ltd.; Tianjin Maolian Technology Co., Ltd. The main drafters of this Part. Guo Peiqing, Li Changdong, Guo Jing, Tang Hai, Qiu Ping, Xie Minghong, Tan Pingsheng, Pang Wenlin, Wu Chichun, Luo Yueying, Ren Xingting, Pan Haiyun. Methods for Chemical Analysis of Nickel Cobalt Manganese Composite Hydrogenoxide - Part 3.Determination of Nickel, Cobalt, Manganese Content - Inductively Coupled Plasma Atomic Emission Spectrometric1 Scope
This Part of YS/T 928 specifies the method for the determination of nickel, cobalt and manganese content in nickel cobalt manganese composite hydrogenoxide. This Part is applicable to the determination of nickel, cobalt and manganese content in nickel cobalt manganese composite hydrogenoxide. See Table 1 for the determination scope. Table 1 -- Determination Scope2 Method Summary
Use hydrochloric acid to dissolve the test portion, use yttrium as the internal standard, and adopt an inductively coupled plasma atomic emission spectrometer to determine the elements to be analyzed.3 Reagents
Unless it is otherwise stated, only reagents confirmed to be analytically pure and pure water with an electrical resistivity of not less than 18.2 M cm shall be used in the analysis. 3.1 Hydrochloric acid (ρ = 1.19 g/mL). 3.2 Nitric acid (ρ = 1.42 g/mL). 3.3 Hydrochloric acid (1 + 1). 3.4 Nitric acid (1 + 1). Element Determination Scope/% 3.7 Nickel standard stock solution. weigh-take 2.0000 g of pure nickel (wNi 99.99%) in a 300 mL beaker, add 40 mL of hydrochloric acid (3.1) and 5 mL of nitric acid (3.2); heat to dissolve it. Boil to remove nitrogen oxides, remove and cool it, then, use water to wash the watch glass and beaker wall. Transfer to a 500 mL volumetric flask, use water to dilute to the scale and mix it well. 1 mL of this solution contains 4 mg of nickel. 3.10 Nickel cobalt manganese standard solution 955.accurately transfer-take 15.00 mL, 20.00 mL and 30.00 mL of nickel standard stock solution (3.7), and 2.00 mL, 3.00 mL and 5.00 mL of cobalt standard stock solution (3.8) and manganese standard stock solution (3.9) in a group of 200 mL volumetric flasks. Respectively add 2.00 mL of yttrium internal standard solution A (3.5), use water to dilute to the scale and mix it well. 3.11 Nickel cobalt manganese standard solution 811.accurately transfer-take 15.00 mL, 20.00 mL and 25.00 mL of nickel standard stock solution (3.7), and 5.00 mL, 7.00 mL and 10.00 mL of cobalt standard stock solution (3.8) and manganese standard stock solution (3.9) in a group of 200 mL volumetric flasks. Respectively add 2.00 mL of yttrium internal standard solution A (3.5), use water to dilute to the scale and mix it well. 3.12 Nickel cobalt manganese standard solution 523.accurately transfer-take 10.00 mL, 15.00 mL and 18.00 mL of nickel standard stock solution (3.7), and 10.00 mL, 12.00 mL and 15.00 mL of cobalt standard stock solution (3.8), and 10.00 mL, 15.00 mL and 20.00 mL of manganese standard stock solution (3.9) in a group of 200 mL volumetric flasks. Respectively add 2.00 mL of yttrium internal standard solution A (3.5), use water to dilute to the scale and mix it well. 3.13 Nickel cobalt manganese standard solution 424.accurately transfer-take 10.00 mL, 12.00 mL and 15.00 mL of nickel standard stock solution (3.7) and cobalt standard stock solution (3.8), and 15.00 mL, 25.00 mL and 30.00 mL of manganese standard stock solution (3.9) in a group of 200 mL volumetric flasks. Respectively add 2.00 mL of yttrium internal standard solution A (3.5), use water to dilute to the scale and mix it well.4 Instrument
The working parameters of the inductively coupled plasma atomic emission spectrometer are shown in Table 2.5 Analytical Procedures
5.1 Test Portion Weigh-take two portions of 0.20 g of specimen, accurate to 0.0001 g. 5.2 Blank Test Along with the specimen, conduct the blank test. 5.3 Treatment of Test Portion Place the test portion (5.1) in a 300 mL beaker, add 20 mL of hydrochloric acid (3.3), use a watch glass to cover it; completely dissolve it at low temperature. Remove and cool it, then, use water to wash the watch glass and beaker wall. 5.4 Drawing of Working Curve On the ICP optical spectrometer, in accordance with the condition parameters provided in Table 2 and Table 3, use yttrium internal standard solution B (3.6) and nickel cobalt manganese standard solutions (3.10, 3.11, 3.12, 3.13, 3.14 and 3.15) to measure the intensity values of the nickel, cobalt and manganese standard solutions.6 Calculation and Expression of Analysis Results
In accordance with Formula (1), calculate the mass fraction wx of the element being determined and express it as a percentage.7 Precision
7.1 Repeatability Under repeatability conditions, obtain the determined values of two independent test results. Within the average value range provided in Table 5, the absolute difference between the two test results does not exceed the repeatability limit (r), and the circumstances of exceeding the repeatability limit (r) does not exceed 5%. The repeatability limit (r) is calculated using the linear interpolation method and the extrapolation method in accordance with the data in Table 4.8 Test Report
The 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.
