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   US$259.00 · In stock Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 2686-2010: Determination of beryllium, chromium, nickel, copper, antimony, cobalt, barium, cadmium, zinc and bismuth in used mechanical and electrical products. Inductively coupled plasma-atomic emission spectrometry Status: Valid    
      
    
  
	
		
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                    Determination of beryllium, chromium, nickel, copper, antimony, cobalt, barium, cadmium, zinc and bismuth in used mechanical and electrical products. Inductively coupled plasma-atomic emission spectrometry
                 | Valid | 
                    SN/T 2686-2010
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  Basic data             |  Standard ID  |          SN/T 2686-2010 (SN/T2686-2010) |               |  Description (Translated English)  |          Determination of beryllium, chromium, nickel, copper, antimony, cobalt, barium, cadmium, zinc and bismuth in used mechanical and electrical products. Inductively coupled plasma-atomic emission spectrometry |               |  Sector / Industry  |          Commodity Inspection Standard (Recommended) |               |  Classification of Chinese Standard  |          J04 |               |  Classification of International Standard  |          25.010 |               |  Word Count Estimation  |          10,175 |               |  Date of Issue  |          2010-11-01 |               |  Date of Implementation  |          2011-05-01 |               |  Quoted Standard  |          GB/T 6682; GB/Z 20288; JJG 768 |               |  Regulation (derived from)  |          National Quality Inspection (2010) 582 |               |  Issuing agency(ies)  |          General Administration of Customs |               |  Summary  |          This standard specifies the old mechanical and electrical products, hinges, chrome, nickel, copper, antimony, cobalt, barium, cadmium, zinc, bismuth by inductively coupled plasma atomic emission spectrometric method. This standard applies to the old mechanical and electrical products of plastic and metal materials in the plating, chromium, nickel, copper, antimony, cobalt, barium, cadmium, zinc, bismuth determination.  |         
  SN/T 2686-2010: Determination of beryllium, chromium, nickel, copper, antimony, cobalt, barium, cadmium, zinc and bismuth in used mechanical and electrical products. Inductively coupled plasma-atomic emission spectrometry
  ---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 beryllium, chromium, nickel, copper, antimony, cobalt, barium, cadmium, zinc and bismuth in used mechanical and electrical products.Inductively coupled plasma-atomic emission spectrometry
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Old electromechanical products of beryllium, chromium, nickel, copper, antimony, cobalt,
Determination of barium, cadmium, zinc, bismuth
Inductively coupled plasma atomic emission spectrometry
Determinationofberylium, chromium, nickel, copper, antimony, cobalt, barium,
cadmium, zincandbismuthinusedmechanicalandelectricalproducts-
Issued on. 2010-11-01
2011-05-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Chinese Academy of Inspection and Quarantine.
The main drafters of this standard. Xiao Haiqing, Wang Chao, Sun Haifeng, Sun Huiyuan, Qi Jing Bao, Wei Wei, Chen Jing, Li Ling.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Old electromechanical products of beryllium, chromium, nickel, copper, antimony, cobalt,
Determination of barium, cadmium, zinc, bismuth
Inductively coupled plasma atomic emission spectrometry
1 Scope
This standard specifies the inductively coupled plasma atomic old mechanical and electrical products, beryllium, chromium, nickel, copper, antimony, cobalt, barium, cadmium, zinc, bismuth emission spectrum
test methods.
This standard applies to beryllium, chromium, nickel, copper, antimony, cobalt, barium, cadmium, zinc, bismuth determination old mechanical and electrical products in plastic and metal materials.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Laboratory use specifications and test methods GB/T 6682 Analysis
GB/Z20288 hazardous substances in electrical and electronic products in the test sample resolution General requirements
JJG768 emission spectrometer test procedures
3 Method summary
The sample was acid ashing, microwave digestion or after acid digestion, inductively coupled plasma atomic emission spectrometry analyte emission characteristics
Zheng wavelength spectral intensity, against a standard curve to determine the amount of the corresponding analyte.
4 Reagents and materials
Unless otherwise stated, use only analytical grade reagents and in line with GB/T 6682 provisions of secondary water.
4.1 nitric acid (ρ20 = 1.42g/mL), pure class distinctions.
4.2 nitric acid (199). diluted nitric acid (4.1).
4.3 nitric acid (595). diluted nitric acid (4.1).
4.4 nitric acid (15). diluted nitric acid (4.1).
4.5 hydrochloric acid (ρ20 = 1.19g/mL), pure class distinctions.
4.6 hydrochloride (11). with dilute hydrochloric acid (4.5).
4.7 hydrofluoric acid (ρ20 = 1.128g/mL), pure class distinctions.
4.8 Hydrogen peroxide, 30% (m/m).
4.9 tartaric acid.
4.10 tartaric acid solution (1mol/L). Weigh 15.01 g (accurate to 1mg) tartaric acid (4.9) was added to 50mL of deionized water, was fully dissolved
Solution and diluted to 100mL.
4.11 perchloric acid (ρ20 = 1.768g/mL), pure class distinctions.
4.12 ultrapure water resistivity ≥18.2MΩ.
   
   
  
  
    
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