Download or read book YS T 928 3 2013 Translated English of Chinese Standard YS T 928 3 2013 YST928 3 2013 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2023-12-09 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 Scope 2 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 (¦Ñ = 1.19 g/mL). 3.2 Nitric acid (¦Ñ = 1.42 g/mL). 3.3 Hydrochloric acid (1 + 1). 3.4 Nitric acid (1 + 1). Element Determination Scope/% YS/T 928.3-2013 www.ChineseStandard.net ? Buy True-PDF ? Auto-delivery. Page 5 of 9 3.5 Yttrium internal standard solution A (0.2 g/L): weigh-take 0.254 g of yttrium trioxide (wY2O3 ? 99.99%) in a 300 mL beaker, add 20 mL of hydrochloric acid (3.1), heat to dissolve it, then, cool it. Transfer it to a 1,000 mL volumetric flask; use water to dilute to the scale and mix it well. 3.6 Yttrium internal standard solution B (2.00 ?g/mL): divide-take 2.00 mL of yttrium internal standard solution A (3.5), transfer it into a 200 mL volumetric flask; use water to dilute to the scale and mix it well. 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 disso

Download or read book YS T 928 4 2013 Translated English of Chinese Standard YS T 928 4 2013 YST928 4 2013 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2023-12-10 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part of YS/T 928 specifies the method for the determination of iron, calcium, magnesium, copper, zinc, silicon, aluminum and sodium content in nickel cobalt manganese composite hydrogenoxide. This Part is applicable to the determination of iron, calcium, magnesium, copper, zinc, silicon, aluminum and sodium content in nickel cobalt manganese composite hydrogenoxide. See Table 1 for the determination scope. Table 1 -- Determination Scope 2 Method Summary Use hydrochloric acid to dissolve the test portion and adopt an inductively coupled plasma atomic emission spectrometer to directly conduct the determination. In accordance with the working curve method, calculate the concentration of each element. Express the determination results in mass fraction. Element Determination Scope (w)/% YS/T 928.4-2013 www.ChineseStandard.net ? Buy True-PDF ? Auto-delivery. Page 5 of 10 3 Reagents All reagents used in this Part are of top-grade purity, and only pure water with an electrical resistivity of not less than 18.2 M? ? cm shall be used in the analysis. 3.1 Hydrochloric acid (¦Ñ = 1.19 g/mL). 3.2 Nitric acid (¦Ñ = 1.42 g/mL). 3.3 Hydrochloric acid (1 + 1). 3.4 Nitric acid (1 + 1). 3.5 Aluminum standard stock solution: weigh-take 0.2000 g of pure aluminum (wAl ? 99.99%) in a 300 mL beaker, slowly add 30 mL of hydrochloric acid (3.3), use a watch glass to cover it; at a low temperature, dissolve it, then, cool it. Use water to wash the watch glass and beaker wall. Transfer to a 1,000 mL volumetric flask, use water to dilute to the scale and mix it well. 1 mL of this solution contains 200 ?g of aluminum. 3.6 Magnesium standard stock solution: weigh-take 0.3316 g of dried magnesium oxide (wMgO ? 99.99%) in a 300 mL beaker, slowly add 30 mL of hydrochloric acid (3.3), use a watch glass to cover it; at a low temperature, dissolve it, then, cool it. Use water to wash the watch glass and beaker wall. Transfer to a 1,000 mL volumetric flask, use water to dilute to the scale and mix i...

Download or read book YS T 509 3 2008 Translated English of Chinese Standard YST 509 3 2008 YS T509 3 2008 YST509 3 2008 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-04-04 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part specifies the determination methods for silicon dioxide content in spodumene, lepidolite concentrates. This Part is applicable to the determination of silicon dioxide content in spodumene, lepidolite concentrates. Determination range: >50%.

Download or read book YS T 910 2013 Translated English of Chinese Standard YST910 2013 written by https://www.chinesestandard.net and published by www.ChineseStandard.net. This book was released on 2022-06-04 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the method to determine the copper content in brass. This Standard applies to the determination of copper content in brass. Determination range: 50.00%~97.00%. This Standard is not intended as a method of arbitration.

Download or read book YS T 509 11 2008 Translated English of Chinese Standard YST 509 11 2008 YS T509 11 2008 YST509 11 2008 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-04-04 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part specifies the method for determining loss on ignition in spodumene and lepidolite concentrates. This Part is applicable to the determination of loss on ignition in spodumene and lepidolite concentrates.

Download or read book YS T 820 3 2012 Translated English of Chinese Standard YST 820 3 2012 YS T820 3 2012 YST820 3 2012 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-11-20 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part of YS/T 820 specifies the determination method of total iron content in laterite nickel ores. This Part is applicable to the determination of total iron content in laterite nickel ores. The determination range is 7.00%~55.00%.

Download or read book YS T 575 3 2007 Translated English of Chinese Standard YST 575 3 2007 YS T575 3 2007 YST575 3 2007 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-02-09 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part specifies the determination of silicon dioxide content in bauxite. This Part is applicable to the determination of silicon dioxide content in bauxite; the measurement range: 15.00%.

Download or read book YS YS T YST Product Catalog Translated English of Chinese Standard YS YS T YST written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-01-01 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document provides the comprehensive list of Chinese Industry Standards - Category: YS; YS/T; YST.

Download or read book YS T 555 11 2009 Translated English of Chinese Standard YST 555 11 2009 YS T555 11 2009 YST555 11 2009 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2019-08-17 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part specifies the method for determining the oil and moisture content of molybdenum concentrate. This Part applies to the determination of oil and moisture content in loose molybdenum concentrate. The determination range is 0.50%~15.00%.

Download or read book YB T 081 2013 Translated English of Chinese Standard YBT 081 2013 YB T081 2013 YBT081 2013 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-02-11 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the principle and the rounding-off key points of carrying out rounding off of numerical values and judgment of testing values or its calculated values in metallurgical standardization activities, and the coordination and connection requirements of product standards and test method standards for the rounding interval of index or parameter values.

Download or read book GB T 29712 2013 Translated English of Chinese Standard GBT 29712 2013 GB T29712 2013 GBT29712 2013 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-10-19 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the ultrasonic acceptance level 2 and 3 for full penetration welded joints in ferritic steels, which correspond to the quality levels B and C welds in GB/T 19418. Since the level D welds usually do not require ultrasonic testing in GB/T 19418, there is no ultrasonic testing acceptance level corresponding to the quality level D weld requirements in GB/T 19418. The acceptance levels of this standard apply to ultrasonic testing in accordance with GB/T 11345.

Download or read book YS T 509 4 2008 Translated English of Chinese Standard YST 509 4 2008 YS T509 4 2008 YST509 4 2008 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-04-04 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part specifies the determination methods for aluminum oxide content in spodumene, lepidolite concentrates. This Part is applicable to the determination of aluminum oxide content in spodumene, lepidolite concentrates. Determination range: 10.00%~30.00%.

Download or read book YS T 509 6 2008 Translated English of Chinese Standard YST 509 6 2008 YS T509 6 2008 YST509 6 2008 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-04-04 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part specifies the method of determining phosphorus pentoxide content in spodumene and lepidolite concentrates. This Part is applicable to the determination of phosphorus pentoxide content in spodumene and lepidolite concentrates. The range of determination is 0.01% ~ 1.00%.

Download or read book NB SH T 0417 2013 Translated English of Chinese Standard NBSHT0417 2013 NB SH T 0417 2013 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2021-10-02 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the requirements and test methods, inspection rules, markings, packaging, transportation, storage, safety of light liquid paraffin wax. This standard applies to light liquid paraffin wax, which is used as chemical raw materials.

Download or read book YS T 298 2015 Translated English of Chinese Standard YST 298 2015 YS T298 2015 YST298 2015 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2019-03-16 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the requirements, test methods, inspection rules, marking, package, transportation, storage, quality certificate, ordering list (or contract) contents of the high titanium slag. This Standard is applicable to the high titanium slag used by titanium tetrachloride, artificial rutile and titanium pigment with titanic iron ore as raw materials, and producing by electric furnace smelting.

Download or read book YS T 273 13 2006 Translated English of Chinese Standard YS T 273 13 2006 YST273 13 2006 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2023-11-09 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part specifies the preparation and storage of raw and dry test samples of cryolite.

Download or read book YS T 953 9 2014 Translated English of Chinese Standard YST 953 9 2014 YS T953 9 2014 YST953 9 2014 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-12-20 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part of YS/T 953 specifies the infrared absorption method after high frequency combustion for the determination of carbon and sulfur contents in the fire smelting nickel substrate material. This Part applies to the determination of carbon and sulfur contents in the fire smelting nickel substrate material. The determination range is 0.010%~5.50% for carbon, 0.0050%~0.60% for sulfur.