YS/T 1075.8-2015 English PDF

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YS/T 1075.8-2015: Methods for chemical analysis of vanadium-aluminium and molybdenum-aluminium master alloys - Part 8: Determination of molybdenum and aluminium contents - X-ray fluorescence method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 1075.8-2015	189	Add to Cart	3 days	Methods for chemical analysis of vanadium-aluminium and molybdenum-aluminium master alloys - Part 8: Determination of molybdenum and aluminium contents - X-ray fluorescence method	Valid

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Basic data

Standard ID: YS/T 1075.8-2015 (YS/T1075.8-2015)
Description (Translated English): Methods for chemical analysis of vanadium-aluminium and molybdenum-aluminium master alloys - Part 8: Determination of molybdenum and aluminium contents - X-ray fluorescence method
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H14
Classification of International Standard: 77.120.99
Word Count Estimation: 8,870
Date of Issue: 2015-04-30
Date of Implementation: 2015-10-01
Regulation (derived from): Ministry of Industry and Information Technology Announcement (2015 No. 28)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This Standard specifies the molybdenum, molybdenum determination of aluminum content in aluminum alloys. This Standard applies to aluminum and molybdenum in molybdenum, aluminum contents.

YS/T 1075.8-2015: Methods for chemical analysis of vanadium-aluminium and molybdenum-aluminium master alloys - Part 8: Determination of molybdenum and aluminium contents - X-ray fluorescence method

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Vanadium aluminum, molybdenum intermediate aluminum alloys - Part 8. molybdenum, aluminum X- determining the amount of fluorescence spectrometry) ICS 77.120.99 H14 People's Republic of China Nonferrous Metals Industry Standard Aluminum vanadium, molybdenum intermediate aluminum alloys - Part 8. Molybdenum, Determination of aluminum content X- Fluorescence Spectrometry Part 8. Determinationofmolybdenumandaluminiumcontents- Issued on. 2015-04-30 2015-10-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 1075 "aluminum vanadium, molybdenum intermediate aluminum alloy chemical analysis method" is divided into eight sections. --- Part 1. Determination of iron content - 1,10-phenanthroline spectrophotometry; --- Part 2. Determination of molybdenum content of lead molybdate gravimetric method; --- Part 3. Determination of silicon content - Molybdenum blue spectrophotometric method; --- Part 4. vanadium content - Inductively coupled plasma atomic emission spectrometry and ferrous ammonium sulfate titration; --- Part 5. Determination of aluminum content EDTA titration; --- Part 6. Determination of carbon content in the high-frequency combustion - infrared absorption method; --- Part 7. Determination of the amount of oxygen in the inert gas fusion - infrared method; --- Part 8. molybdenum, aluminum X- determining the amount of fluorescence spectroscopy. This section YS/T 1075 Part 8. This section drafted in accordance with GB/T 1.1-2009 given rules. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) and focal points. This section is drafted. Northwest Nonferrous Metal Research Institute, Guangzhou Nonferrous Metal Research Institute, Jinchuan Group Co., Ltd. Beilun immigration Inspection and Quarantine Bureau, Jinduicheng Molybdenum Co., Ltd. The main drafters of this section. Zhou Kai, Li Bo, Sunbao Lian, Xiaofei Yan, Zhao Zhihu, Dong Qi, Zhang Jianbo, Wang Guoliang, in Lily, Hu Jie, Luo Jingsheng, Xie Mingming. Aluminum vanadium, molybdenum intermediate aluminum alloys - Part 8. Molybdenum, Determination of aluminum content X- Fluorescence Spectrometry

1 Scope

YS/T 1075 This section provides molybdenum, molybdenum determination of aluminum content in aluminum alloys. This section applies to aluminum and molybdenum in molybdenum, aluminum contents. Determination of the range in Table 1. Table 1 measurement range of each component of the aluminum alloy of molybdenum Element mass fraction /% Mo 50.00 ~ 91.00 Al 9.00 ~ 50.00

2 Method summary

Samples with hydrofluoric acid, nitric acid dissolution. After drying by infrared light, with a suitable flux cast by a certain percentage to be suitable for X- ray fluorescence Spectrometer measured sample fuse. Measuring the analyte sample sheet melting characteristic spectral lines in the selected instrument measurement conditions X-ray fluorescence intensity Degrees, according to the calibration curve or equation is calculated to obtain a content of the analyte in the sample.

3 Reagents

3.1 lithium tetraborate. excellent pure, burning before use at 650 ℃ 4h. 3.2 bromide. Before using dried at 105 ℃ 2h. 3.3 lithium bromide solution. Weigh the appropriate amount of lithium bromide (3.2) to a concentration of 30mg/mL solution. 3.4 methane, argon mixed gas. volume fraction of 90% argon and volume fraction of 10% methane. 3.5 nitric acid (ρ = 1.42g/mL), pure class distinctions. 3.6 hydrofluoric acid (ρ = 1.15g/mL), pure class distinctions. 3.7 molybdenum trioxide (wMoO3≥99.99%). Before using dried at 105 ℃ 2h. 3.8 aluminum oxide (wAl2O3≥99.99%). Before using dried at 105 ℃ 2h.

4 Instrument

4.1 wavelength dispersive X- ray fluorescence spectroscopy. 4.2 FUSION dish. a platinum alloy (95% platinum 5% gold) is made, volume > 30mL. 4.3 mold dish. made of platinum alloy (95% platinum 5% gold). 4.4 automatic sample melting furnace. capable of heating to 1050 ℃, temperature control accuracy of ± 5 ℃. ......

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