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YS/T 53.2-2010 English PDF

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YS/T 53.2-2010: Methods for chemical analysis of copper, lead, zinc original and tailing ores. Part 2: Determination of gold content. Separation and preconcentration by flow injection and 8531 fiber micro-column-the flame atomic absorption spectrum method

YS/T 53.2: Evolution and historical versions

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YS/T 53.2-2010English349 Add to Cart 3 days [Need to translate] Methods for chemical analysis of copper, lead, zinc original and tailing ores. Part 2: Determination of gold content. Separation and preconcentration by flow injection and 8531 fiber micro-column-the flame atomic absorption spectrum method   YS/T 53.2-2010
YS/T 53.2-1992English279 Add to Cart 3 days [Need to translate] (Copper, lead, zinc ore and tailings chemical flow injection analysis of micro fiber enrichment - -8531 - Flame Atomic Absorption Spectrometry amount of gold) Obsolete YS/T 53.2-1992

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Basic data

Standard ID YS/T 53.2-2010 (YS/T53.2-2010)
Description (Translated English) Methods for chemical analysis of copper, lead, zinc original and tailing ores. Part 2: Determination of gold content. Separation and preconcentration by flow injection and 8531 fiber micro-column-the flame atomic absorption spectrum method
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H13
Classification of International Standard 77.120.10
Word Count Estimation 10,168
Date of Issue 2010-11-22
Date of Implementation 2011-03-01
Older Standard (superseded by this standard) YS/T 53.2-1992
Regulation (derived from) MIIT (2010) No. 126
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the copper, lead, zinc ore and tailings gold content determination. This standard applies to copper, lead, zinc ore and tailings gold content. Measuring range: 0. 01g/t ~ 1. 0g/t.

YS/T 53.2-2010: Methods for chemical analysis of copper, lead, zinc original and tailing ores. Part 2: Determination of gold content. Separation and preconcentration by flow injection and 8531 fiber micro-column-the flame atomic absorption spectrum 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.
Methods for chemical analysis of copper, lead, zinc original and tailing ores.Part 2. Determination of gold content.Separation and preconcentration by flow injection and 8531 fiber micro-column-the flame atomic absorption spectrum method ICS 77.120.40 H13 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 53.2-1992 Copper, lead, zinc ore tailings and chemical analysis methods Part 2. Determination of gold content Flow Injection Micro - column separation fiber -8531 Enrichment - Flame Atomic Absorption Spectrometry Methodsforchemicalanalysisofcopper, lead, zincoriginalandtailingores- Part 2. Determinationofgoldcontent- Issued on. 2010-11-22 2011-03-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 53 "Copper, lead, zinc ore tailings and chemical analysis method" is divided into three parts. --- Part 1. Determination of the amount of gold fire assay enrichment - flame atomic absorption spectrometry; --- Part 2. determination of gold by Flow Injection Micro - column separation -8531 fiber enrichment - flame atomic absorption spectrometry; --- Part 3. Determination of the amount of silver by flame atomic absorption spectrometry. This section is Part 2. This section is in accordance with GB/T 1.1-2009 given rules drafted. The partial replacement of YS/T 53.2-1992, this portion of YS/T 53.2-1992 compared to the main changes are as follows. --- Increased the preamble; --- Text format has been modified; --- Increasing the precision part; --- Increased quality assurance and control provisions. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized. This section is responsible for drafting unit. Beijing Nonferrous Metal Research Institute. Participated in the drafting of this section. Beijing General Research Institute of Mining and Metallurgy, Tongling Nonferrous Metals Group Holdings Co., Jiangxi Copper Group Co., Ltd. Division, Chinese Academy of Geological Sciences. The main drafters of this section. Li Jidong Wu Xing, Wang Changhua, Wu Haizhou, high Inge, Yuan Yuxia, and from Shao Feng advanced, Liu Chenghua. This part of the standard replaces the previous editions are. --- YS/T 53.2-1992. Copper, lead, zinc ore tailings and chemical analysis methods Part 2. Determination of gold content Flow Injection Micro - column separation fiber -8531 Enrichment - Flame Atomic Absorption Spectrometry

1 Scope

YS/T of the provisions of section 53 of the method for the determination of copper, lead, zinc ore and tailings gold content. This section applies to the determination of copper, lead, zinc ore and tailings gold content. Measuring range. 0.01g/t ~ 1.0g/t.

2 principle of the method

Calcined sample after 650 ℃ 2h, with aqua regia decomposition in dilute aqua regia medium flow injection -8531 micro fiber enrichment - Gold, with air - acetylene flame atomic absorption spectrometer wavelength 242.8nm measured absorbance of gold, calculated using the working curve method Gold content.

3 Reagents

Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity. 3.1 aqua regia (11), the time is now equipped with. 3.2 aqua regia (19). 3.3 aqua regia (298). 3.4 thiourea solution (5g/L). Weigh 10g of thiourea in 1000mL beaker, add water, 300mL, 200 mL aqua regia (3.2) was dissolved, shifting Vial into 2500mL, 1500mL additional water, and mix. 3.5 of polyethylene oxide solution (1g/L). 3.6 gold standard stock solution. Weigh 0.1000g Gold (wAu≥99.99%) in 100mL beaker, add 40mL aqua regia (3.1), 2 drops of saturated potassium chloride solution, mixed, low-temperature hot plate was heated until complete dissolution, cooled to room temperature. The solution was transferred to 100mL capacity Bottle, diluted with water to volume, and mix. 1mL solution containing 1mg gold. 3.7 gold standard solution. Pipette 10.00mL gold standard stock solution (3.6) in 1000mL flask, add 400mL aqua regia (3.1), Diluted with water to volume, and mix. This solution 1mL containing 10μg gold. 3.8 gold standard solution. Pipette 10.00mL gold standard stock solution (3.7) in 100mL flask, add 40mL aqua regia (3.1) to Dilute with water to volume, and mix. This solution 1mL containing 1μg gold.

4 instruments and apparatus

4.1 polycarbonate cup sealing solution, the volume of 100mL. 4.2 water bath. 4.3 Separation and Enrichment of Trace Gold by Flow Injection system includes the following components. a) four peristaltic pump;

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