GB/T 25934.3-2010 English PDFUS$98.00 · In stock
Delivery: <= 1 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 25934.3-2010: Methods for chemical analysis of high purity gold -- Part 3: Ethyl ether extraction separation-inductively coupled plasma-atomic emission spectrometry -- Determination of impurity elements contents Status: Valid
Basic dataStandard ID: GB/T 25934.3-2010 (GB/T25934.3-2010)Description (Translated English): Methods for chemical analysis of high purity gold -- Part 3: Ethyl ether extraction separation-inductively coupled plasma-atomic emission spectrometry -- Determination of impurity elements contents Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: H15 Classification of International Standard: 77.040.30 Word Count Estimation: 11,129 Date of Issue: 2010-12-23 Date of Implementation: 2011-09-01 Regulation (derived from): National Standard Approval Announcement 2010 No.10 (Total No.165) 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 high gold silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, tin, chromium, Nickel, manganese, aluminum, platinum, rhodium, determination of silicon and arsenic content, iridium, zinc, titanium, cadmium. This section applies to high gold silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, tin, chromium, Nickel, manganese, aluminum, platinum, rhodium, iridium, zinc, titanium, cadmium, determination of silicon and arsenic content. GB/T 25934.3-2010: Methods for chemical analysis of high purity gold -- Part 3: Ethyl ether extraction separation-inductively coupled plasma-atomic emission spectrometry -- Determination of impurity elements contents---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 high purity gold Part 3. Ethylether extraction separation-inductively coupled plasma-atomic emission spectrometry Determination of impurity elements contents ICS 77.040.30 H15 National Standards of People's Republic of China Methods for chemical analysis of high purity gold Part 3. ether extraction separation -ICP-AES method Determination of impurity elements Part 3. Ethyletherextractionseparation-inductively Issued on. 2010-12-23 2011-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordGB/T 25934 "high pure gold chemical analysis method" is divided into three parts. --- Part 1. ethyl acetate extraction separation-ICP-AES Determination of impurity element contents; Part --- Article 2. ICP-MS- standard addition calibration - Determination of impurity elements in the standard method; --- Part 3. Determination of impurity elements ether extract separated -ICP-AES method. This is Part 3. This part of the National Gold Standardization Technical Committee (SAC/TC379) and focal points. This section is Henan Zhongyuan gold smelter limited liability company responsible for drafting. This section is Henan Zhongyuan Gold Smelter Co., Ltd., Great Wall gold and silver refinery, Changchun Gold Research Institute, Shenyang Mint, Beijing Mining Research Institute, Jiangsu Skyray Instrument Co., Ltd. drafted. The main drafters of this section. Liu Chengxiang, Zhang Bo, Zhang Yuming, Chen Jie, Huang Rui, Chen Feifei, Chen Yonghong, Laimao Ming, Wang Yu, Lihua Chang, Li Wanchun, in force, Zheng Jianming. Methods for chemical analysis of high purity gold Part 3. ether extraction separation -ICP-AES method Determination of impurity elements1 ScopeThis section GB/T 25934 provides for high purity gold in silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, tin, chromium, nickel, manganese, aluminum, platinum, rhodium, iridium, Zinc, titanium, cadmium, silicon and arsenic content determination. This section applies to high gold in silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, tin, chromium, nickel, manganese, aluminum, platinum, rhodium, iridium, zinc, titanium, cadmium, arsenic and silicon Determination of the amount. Determination of the range in Table 1. Table 1 Element mass fraction /% elemental mass fraction /% elemental mass fraction /% elemental mass fraction /% Ag 0.00002 ~ 0.00047 Ni 0.00002 ~ 0.00047 Pt 0.00002 ~ 0.00048 Zn 0.00002 ~ 0.00044 Cu 0.00002 ~ 0.00047 Pd 0.00002 ~ 0.00049 Sn 0.00003 ~ 0.00032 Cd 0.00002 ~ 0.00048 Pb 0.00005 ~ 0.00048 Al 0.00005 ~ 0.00045 Ti 0.00002 ~ 0.00049 Ir 0.00006 ~ 0.00052 Fe 0.00002 ~ 0.00048 Mn 0.00002 ~ 0.00047 Cr 0.00002 ~ 0.00048 Si 0.00003 ~ 0.00027 Sb 0.00004 ~ 0.00043 Mg 0.00002 ~ 0.00046 Rh 0.00002 ~ 0.00050 As 0.00005 ~ 0.00046 Bi 0.00002 ~ 0.000432 Method summarySample with a mixed acid decomposition, in 1mol/L HCl medium, after separation of gold extracted with ether, the aqueous phase was concentrated HCl medium prepared test solution Liquid, using inductively coupled plasma atomic emission spectrometer silver, copper, iron, lead, antimony, bismuth, palladium, magnesium, tin, chromium, nickel, manganese, aluminum, platinum, rhodium, Iridium, zinc, titanium, cadmium, arsenic, and the amount of silicon.3 ReagentsUnless otherwise indicated, used in the analysis confirmed only for the gifted class pure reagents and double distilled water or equivalent purity (resistivity ≥18.2MΩ/cm) of water. 3.1 hydrochloride (ρ1.19g/mL). Nitrate 3.2 (ρ1.42g/mL). 3.3 sulfate (ρ1.84g/mL). 3.4 hydrofluoric acid (ρ1.15g/mL). 3.5 hydrochloride (11). 3.6 nitric acid (11). 3.7 nitric acid (12). 3.8 hydrochloride (19). 3.9 hydrochloride (111). 3.10 hydrochloric acid (129). Mixed acid 3.11. 1 volume of nitric acid (3.2), 3 volumes of hydrochloric acid (3.1) and one volume of water and mix well. 3.12 ether. with hydrochloric acid solution (3.9) and washed 2 to 3 times reserve. ...... |
