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GB/T 11066.6-2009 English PDF

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GB/T 11066.6-2009: Methods for chemical analysis of gold -- Determination of magnesium, nickel, manganese, palladium contents -- Flame atomic absorption spectrometry
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GB/T 11066.6-2009English169 Add to Cart 3 days [Need to translate] Methods for chemical analysis of gold -- Determination of magnesium, nickel, manganese, palladium contents -- Flame atomic absorption spectrometry Valid GB/T 11066.6-2009

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Basic data

Standard ID GB/T 11066.6-2009 (GB/T11066.6-2009)
Description (Translated English) Methods for chemical analysis of gold -- Determination of magnesium, nickel, manganese, palladium contents -- Flame atomic absorption spectrometry
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H15
Classification of International Standard 77.150.99
Word Count Estimation 7,731
Date of Issue 2009-04-15
Date of Implementation 2010-02-01
Regulation (derived from) National Standard Approval Announcement 2009 No.5 (Total No.145)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the Golden magnesium, determination of the amount of palladium, Nickel, manganese. This section applies to deposits of magnesium, Nickel, determination of the amount of palladium, manganese.

GB/T 11066.6-2009: Methods for chemical analysis of gold -- Determination of magnesium, nickel, manganese, palladium contents -- Flame atomic absorption spectrometry


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Methods for chemical analysis of gold. Determination of magnesium, nickel, manganese, palladium contents. Flame atomic absorption spectrometry ICS 77.040.30 H15 National Standards of People's Republic of China Methods for chemical analysis of gold Determination of magnesium, nickel, manganese, and the amount of palladium Flame Atomic Absorption Spectrometry Posted 2009-04-15 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 11066 "Methods for chemical analysis of gold" is divided into 10 parts. --- GB/T 11066.1 gold chemical analysis method of determining the amount of gold fire assay; --- GB/T 11066.2 gold chemical analysis of silver content - Flame atomic absorption spectrometry; --- GB/T 11066.3 gold chemical analysis of iron content by flame atomic absorption spectrometry; --- Flame atomic GB/T 11066.4 gold chemical analysis of copper, lead and bismuth contents absorption spectrometry; --- GB/T 11066.5 gold chemical analysis method for determination of atomic silver, copper, iron, lead, antimony and bismuth amount of emission spectrometry; --- GB/T 11066.6 gold chemical analysis of magnesium, nickel, manganese, and palladium contents - Flame atomic absorption spectrometry; --- GB/T 11066.7 gold chemical analysis of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, tin, nickel, manganese and chromium contents - fire Flower atomic emission spectrometry; --- GB/T 11066.8 gold chemical analysis of silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, nickel, manganese and chromium contents - ethyl acetate Ester extraction - inductively coupled plasma atomic emission spectrometry; --- GB/T 11066.9 gold chemical analysis method for determination of arsenic and tin hydride generation - atomic fluorescence spectrometry; --- GB/T 11066.10 Determination of gold chemical analysis of silicon content - Molybdenum blue spectrophotometric method. This section GB/T Part of 611,066. This part is proposed by the China Nonferrous Metals Industry Association. The non-ferrous metal part by the National Standardization Technical Committee. This section is responsible for drafting unit. Chengdu Banknote Printing Company and Nonferrous Metals Industry Standards and Metrology Institute of Chinese quality. Participated in the drafting of this section. Changchun Gold Research Institute, Shanghai Mint, Shenyang Mint, Zijin Mining Group Co., Ltd., Jiangsu West Guixi Smelter Copper Company, Daye Nonferrous Design and Research Institute Limited. The main drafters of this section. Feifei Chen, Huang Rui, Chen Yonghong, Zhao Yue, Wang Yu, Chen Jie, Zhuxiu Fen, Huang Minhua, Guo Yuzhu, Ramee show, Lan Mei E, Shen Guang Xin, Li Xiaoyu, Liu Yan. Methods for chemical analysis of gold Determination of magnesium, nickel, manganese, and the amount of palladium Flame Atomic Absorption Spectrometry

1 Scope

GB/T 11066 provisions of this part of the gold in magnesium, nickel, manganese, determination of the amount of palladium. This section applies to gold magnesium, nickel, manganese, palladium contents. Determination of the wavelength range and are shown in Table 1. Table 1 Elements Mg Ni Mn Pd Mass fraction /% 0.0001 0.0200 0.0001 0.0200 0.0001 0.0200 0.0002 0.0500 Wavelength/nm 285.2 232.0 279.5 244.8

2 Method summary

Sample with a mixed acid decomposition, in 1mol/L HCl medium, separation of gold extracted with ethyl acetate, the water phase is concentrated hydrochloric acid medium to be made Test solution, using air - acetylene flame atomic absorption spectrometry to measure the magnesium, nickel, manganese, palladium absorbance wavelength listed in Table 1.

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 hydrochloric acid (1 + 11), pure class distinctions. 3.2 hydrochloric acid (1 + 9), pure class distinctions. 3.3 mixed acid. nitric acid and hydrochloric acid + water (1 + 3 + 3), pure class distinctions. 3.4 ethyl acetate. 3.5 lanthanum nitrate solution (100g/L). 3.6 Magnesium standard stock solution. Weigh 0.1658g advance by 780 ℃ 1h burning magnesium oxide (MgO mass fraction ≥99.99%), home In 250mL beaker, was added 20mL of hydrochloric acid (1 + 1), low dissolved with heating, cooled to room temperature. The solution is transferred to 1000mL volumetric flask, Dilute with water to volume, and mix. This solution 1mL containing 100μg magnesium. 3.7 Nickel standard stock solution. Weigh 1.0000g of nickel (mass fraction ≥99.95%) in 100mL beaker, add 20mL nitrate Acid (1 + 1), low temperature heating dissolved, evaporated to near dryness, cooling, 20mL of hydrochloric acid (1 + 1), dissolved salts heating, cooling, transferred to 1000mL Volumetric flask, dilute with water to volume, and mix. 1mL solution containing 1mg nickel. 3.8 manganese standard stock solution. Weigh 1.0000g of manganese metal (mass fraction ≥99.95%) in 100mL beaker, add 20mL nitrate Acid (1 + 1), low temperature heating dissolved, evaporated to near dryness, cooling, 20mL of hydrochloric acid (1 + 1), dissolved salts heating, cooling, transferred to 1000mL Volumetric flask, dilute with water to volume, and mix. 1mL solution containing 1mg manganese. 3.9 palladium standard stock solution. Weigh 1.0000g of palladium metal (mass fraction ≥99.99%) in 100mL beaker, add 20mL nitrate Acid (1 + 1), low temperature heating dissolved, evaporated to near dryness, cooling, 20mL of hydrochloric acid (1 + 1), dissolved salts heating, cooling, transferred to 1000mL Volumetric flask, dilute with water to volume, and mix. 1mL solution containing 1mg palladium. 3.10 magnesium, nickel, manganese, palladium mixed standard solution. Pipette 10mL magnesium are standard stock solution (3.6), 5mL standard stock solution of nickel (3.7), 5mL manganese standard stock solution (3.8), 10mL palladium standard stock solution (3.9) in 100mL volumetric flask, washed with hydrochloric acid (3.2) dilute Diluted to volume, and mix. This solution 1mL magnesium containing 10μg, 50μg of nickel, 50μg manganese, 100μg palladium.

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