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SN/T 2945-2011: Determination of lead, cadmium, chromium, copper, manganese and zinc in rubber and rubber products. Inductively coupled plasma atomic emission spectrometric method
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Determination of lead, cadmium, chromium, copper, manganese and zinc in rubber and rubber products. Inductively coupled plasma atomic emission spectrometric method
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Basic data | Standard ID | SN/T 2945-2011 (SN/T2945-2011) | | Description (Translated English) | Determination of lead, cadmium, chromium, copper, manganese and zinc in rubber and rubber products. Inductively coupled plasma atomic emission spectrometric method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | G40 | | Classification of International Standard | 83.060 | | Word Count Estimation | 8,890 | | Date of Issue | 2011-05-31 | | Date of Implementation | 2011-12-01 | | Quoted Standard | GB/T 6682; GB/T 15340 | | Regulation (derived from) | National-Quality-Inspection-accreditation (2011) 291 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the rubber and its products in the lead, inductively coupled plasma atomic emission spectrometry method zinc, cadmium, chromium, copper, manganese. This standard applies to rubber and its products in the lead, determination of zinc, cadmium, chromium, copper, manganese. | SN/T 2945-2011: Determination of lead, cadmium, chromium, copper, manganese and zinc in rubber and rubber products. Inductively coupled plasma atomic emission spectrometric method
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Determination of lead, cadmium, chromium, copper, manganese and zinc in rubber and rubber products.Inductively coupled plasma atomic emission spectrometric method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Rubber and its products of lead, cadmium, chromium, copper,
Manganese, zinc Determination
Inductively coupled plasma atomic emission spectrometry
Determinationoflead, cadmium, chromium, copper, manganese
Issued on. 2011-05-31
2011-12-01 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 is mainly drafted by. People's Republic of China Shandong CIQ.
The main drafters of this standard. Xueqiu Hong, Li Jing, Ding Yulong, where sweet-scented osmanthus, hair Cai, Chen Shan, Jiang Zhigang.
Rubber and its products of lead, cadmium, chromium, copper,
Manganese, zinc Determination
Inductively coupled plasma atomic emission spectrometry
1 Scope
This standard specifies the inductively coupled plasma atomic rubber and its products of lead, cadmium, chromium, copper, manganese, zinc emission spectrophotometric method.
This standard applies to the determination of rubber and its products of lead, cadmium, chromium, copper, manganese and zinc in.
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/T 15340 natural, synthetic rubber raw sampling and sample preparation method
3 Method summary
The sample was placed in a microwave digestion using concentrated sulfuric acid carbonized, cooled, concentrated nitric acid and hydrogen peroxide digestion inductively coupled
Plasma atomic emission spectrometer analysis of the emission intensity in the corresponding lead, cadmium, chromium, copper, manganese, zinc measured at a wavelength control standard curve
To determine the concentration of each element in the sample and calculate the content of each element.
4 Reagents and materials
Unless otherwise stated, use only the gifted class pure reagents and in line with two water GB/T 6682 regulations.
4.1 sulfate (ρ = 1.84g/mL).
4.2 nitric acid (ρ = 1.40g/mL).
4.3 Hydrogen peroxide 30% (mass fraction).
4.4 hydrochloric acid (ρ = 1.18g/mL).
4.5 hydrochloride (12). hydrochloric acid (4.4) was diluted.
4.6 sulfuric acid (13). sulfuric acid (4.1) dilution.
4.7 lead standard solution (1000μg/mL).
4.8 Chromium standard solution (1000μg/mL).
4.9 Cadmium standard solution (1000μg/mL).
4.10 copper standard solution (1000μg/mL).
4.11 manganese standard solution (1000μg/mL).
4.12 Zinc standard solution (1000μg/mL).
4.13 mixed standard working solution (100μg/mL)
Pipette respectively lead standard solution (4.7), the standard solution of chromium (4.8), cadmium standard solution (4.9), copper standard solution (4.10), manganese standard solution
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