YS/T 1057-2015 (YST1057-2015)

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YS/T 1057-2015	English	189	Add to Cart	3 days [Need to translate]	Methods for chemical analysis of cobaltosic oxide. Determination of magnetic Impurities content. Magnetic separation. Inductively coupled plasma atomic emission spectrometry	YS/T 1057-2015	Valid	YS/T 1057-2015

YS/T 1057-2015
Methods for chemical analysis of cobaltosic oxide. Determination of magnetic Impurities content. Magnetic separation. Inductively coupled plasma atomic emission spectrometry
ICS 77.120.70
H13
People's Republic of China non-ferrous metal industry standards
Cobalt tetroxide - Chemical analysis methods
Magnetic foreign body content determination
Magnetic Separation - Inductively Coupled Plasma Atomic Emission Spectrometry
Methods for chemical analysis of cobaltalt oxide-
2015-04-30 release
2015-10-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the National Nonferrous Metal Standardization Technical Committee (SAC/TC243).
This standard is drafted by. Jinchuan Group Co., Ltd., Zhejiang Huayou Cobalt Co., Ltd.
This standard participates in the drafting unit. Yingde Jia satisfied Metal Technology Co., Ltd., Shenzhen Greenmei High-tech Co., Ltd., Tianjin Mao
Alliance Technology Co., Ltd.
The main drafters of this standard. Qiu Ping, Wang Xiaofen, Qi Shiqing, Zhang Meifen, Wu Chi Chun, Julie, Wu Yingchun, Zhao Furong, Xie Bohua, Luo Yueying,
Tian Yu universe, Huang Xiuhua, had Xuelian.
Cobalt tetroxide - Chemical analysis methods
Magnetic foreign body content determination
Magnetic Separation - Inductively Coupled Plasma Atomic Emission Spectrometry
1 Scope
This standard specifies the determination of cobalt oxide in magnetic foreign matter iron, nickel, zinc, chromium content.
This standard is applicable to the determination of iron, nickel, zinc and chromium in the magnetic foreign body of cobalt tetroxide in the range of 0.01g/t ~ 5.0g/t.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 1467 Metallurgical products - General principles for chemical analysis methods and general provisions
GB/T 6682 analytical laboratory water specifications and test methods
General principles of JY/T 015 inductively coupled plasma atomic emission spectrometry
3 method summary
The sample is slurried in water, and magnetic iron, nickel, zinc and chromium in the sample are enriched with magnetic particles, the enriched magnetic substance is dissolved in aqua regia, and then the electricity
Determination of Iron, Nickel, Zinc and Chromium by Inductively Coupled Plasma Atomic Emission Spectrometry.
4 reagent
Unless otherwise indicated, the reagents used in this standard are of analytical grade, the water used are two water, the specific requirements should be consistent with GB/T 1467,
GB/T 6682's provisions.
4.1 Nitric acid (p = 1.42 g/mL).
4.2 Hydrochloric acid (p = 1.19 g/mL).
4.3 iron standard storage solution Weigh 1.0000g metal iron [w (Fe) ≥ 99.99%] in a beaker, slowly added 40mL (11) nitrate
Acid, cover the table, dissolved at low temperature, drive out nitrogen oxides, remove, cool, wash the table with water and glass wall, into the 1000mL volumetric flask,
And dilute to the mark, shake well. 1 mL of this solution contains 1 mg of iron.
4.4 Nickel standard stock solution Weigh 1.0000g of metallic nickel [w (Ni) ≥99.99%] In a beaker, add (11) nitric acid to dissolve with
5% nitric acid (volume fraction) into 1000mL volumetric flask, and diluted to the mark, shake. 1 mL of this solution contains 1 mg of nickel.
4.5 Standard zinc storage solution Weigh 1.2446g of high purity zinc oxide (ZnO) calcined at 1000 ℃ to constant weight in a beaker, add 100mL
Water and 20mL hydrochloric acid (4.2) dissolved, with 5% hydrochloric acid (volume fraction) into 1000mL volumetric flask, and diluted to the mark, shake. this
1mL solution containing 1mg zinc.
4.6 chromium standard stock solution Weigh 1.0000g of metallic chromium [w (Cr) ≥ 99.99%] in a beaker, add 5mL hydrochloric acid (4.2) dissolved with
5% hydrochloric acid (volume fraction) into 1000mL volumetric flask, and diluted to the mark, shake.