YS/T 739.1-2023 English PDF

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YS/T 739.1-2023: (Methods for chemical analysis of aluminum electrolytes - Part 1: Determination of elemental content X-ray fluorescence spectrometry)
Status: Valid

YS/T 739.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 739.1-2023	199	Add to Cart	3 days	(Methods for chemical analysis of aluminum electrolytes - Part 1: Determination of elemental content X-ray fluorescence spectrometry)	Valid
YS/T 739-2010	239	Add to Cart	3 days	Determination of cryolite rate and main components of electrolyte. X-ray fluorescence spectrometric analysis method	Obsolete

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YS/T 575.23   GB/T 23615.1   YS/T 575.24   YS/T 739.5   YS/T 739.4   YS/T 739.2   

Basic data

Standard ID: YS/T 739.1-2023 (YS/T739.1-2023)
Description (Translated English): (Methods for chemical analysis of aluminum electrolytes - Part 1: Determination of elemental content X-ray fluorescence spectrometry)
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H30
Classification of International Standard: 71.100.10
Word Count Estimation: 9,952
Date of Issue: 2023-12-20
Date of Implementation: 2024-07-01
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the method for determination of element content in aluminum electrolytes. This standard is applicable to the determination of fluorine, aluminum, sodium, calcium, potassium, magnesium, silicon dioxide, and ferric oxide in aluminum electrolytes.

YS/T 739-2010: Determination of cryolite rate and main components of electrolyte. X-ray fluorescence spectrometric analysis 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.
Determination of cryolite rate and main components of electrolyte.X-ray fluorescence spectrometric analysis method ICS 77.120.10 H12 People's Republic of China Nonferrous Metals Industry Standard Aluminum electrolyte molecular ratio and the main component of measurement X-ray fluorescence spectrometry Issued on. 2010-11-22 2011-03-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard by the Aluminum Corporation of China Guizhou Branch is responsible for drafting. This standard by the Aluminum Corporation of China Qinghai branch, Shandong Nanshan Aluminum Co., Ltd., have Neimengguhuo coal Hongjunlvdian Ltd., Shimadzu International Trading (Shanghai) Co., Ltd. participated in the drafting. Drafters of this standard. Yuan Yi, Li Gang, Li Qun, Zhao Geng, Liu Shi, Chen Hongjun, Li Zhihui, Wu Jing, Yu Miao country, Hu Xiaochun. Aluminum electrolyte molecular ratio and the main component of measurement X-ray fluorescence spectrometry

1 Scope

This standard specifies the elements of electrolytic aluminum production process and electrolytes than the main ingredients CaF2, MgF2, Al2O3 determination method. This standard applies to the determination of aluminum electrolyte molecular ratio, CaF2, MgF2, Al2O3 content in the main component. Molecular ratio measuring range. 1.80 ~ 3.20, CaF2. 1.00% ~ 10.00%, MgF2. 0.05% ~ 5.00%, Al2O3. 1.00% ~ 10.00%.

2 Method summary

The milled aluminum electrolyte sample into a powder, pressed into tablets, rhodium (or chromium, tungsten) fluorescence analyzer target X-ray tube measured elements (sodium, Magnesium, aluminum, calcium, oxygen, fluorine) beam intensity, the samples prepared using standard curve (formula) elemental concentration determined. Then according to the formula Calculate the molecular ratio of aluminum electrolyte content and CaF2, MgF2, Al2O3 of.

3 Reagents

Ethanol, AR.

4 instruments and equipment

4.1 mill or a mortar. 4.2 tablet press and die. the total pressure tableting machine at 10MPa or more. More than 4.3 channel X-Ray Fluorescence Spectrometer [with rhodium (or chromium, tungsten) target X-ray tube, analyzer crystal, vacuum system, automatic pulse height analysis Control and counter]. operating parameters, see Appendix A.

5 Sample

Aluminum electrolyte. Step 6 Analysis 6.1 sample preparation. Remove from the aluminum electrolytic cell sample (5), after natural cooling, into the mortar (4.1), add 3 to 4 drops of anhydrous Ethanol and treated with vibratory grinding mill, the sample size to achieve 75μm or less. 6.2 Tablet. A sample of milled (6.1) into the mold (4.2), pressurized to 10MPa tabletting machine (4.2), and to maintain the pressure to 25s On the sample pressed into tablet taken out, to be measured. 6.3 curve 6.1, 6.2 6.3.1 Press series aluminum electrolyte prepared standard sample. ......

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