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SN/T 2302.1-2009: Test method of environmental protection control for imported industrial wastes as raw materials. Part 1: pH Detecting. The method of surface pH detecting
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Test method of environmental protection control for imported industrial wastes as raw materials. Part 1: pH Detecting. The method of surface pH detecting
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SN/T 2302.1-2009
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Basic data | Standard ID | SN/T 2302.1-2009 (SN/T2302.1-2009) | | Description (Translated English) | Test method of environmental protection control for imported industrial wastes as raw materials. Part 1: pH Detecting. The method of surface pH detecting | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | C62 | | Classification of International Standard | 13.030.01 | | Word Count Estimation | 6,679 | | Date of Issue | 2009-07-07 | | Date of Implementation | 2010-01-16 | | Quoted Standard | GB 6856; GB 6857; GB/T 7573 | | Regulation (derived from) | National Quality Inspection [2009] No. 290 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies a port of entry of industrial wastes as raw materials Determination of the pH value. This standard applies to the industrial port of entry can be used as raw material waste, including waste paper and cardboard, waste fiber, scrap steel, scrap metals, scrap metal, scrap plastic. | SN/T 2302.1-2009: Test method of environmental protection control for imported industrial wastes as raw materials. Part 1: pH Detecting. The method of surface pH detecting
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Test method of environmental protection control for imported industrial wastes as raw materials.Part 1. pH Detecting.The method of surface pH detecting
Exit inspection and quarantine industry standard book People's Republic of China
Port of entry can be used as raw materials
Industrial waste control loop index detection method
Posted 2009-07-07
2010-01-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 2302 "port of entry can be used as indicators of industrial waste materials detection loop control" is divided into two parts.
Part 1. pH value test method for surface pH value measurement method;
Part 2. Rapid extraction toxicity testing methods.
This section SN/T 2302 Part 1.
Calculated in this section using the calculation method GB/T 7573-2002 "Determination of Textiles aqueous extract pH value" in.
This section proposed and managed by the National Certification and Accreditation Administration Committee.
This section was drafted by. People's Republic of China Shanghai Entry-Exit Inspection and Quarantine Bureau, Ministry of Education Key Laboratory of Eco-textiles (Donghua
University), People's Republic of China Shenzhen CIQ.
The main drafters of this section. Jiang Haining, Mao Zhiping, Liu Caiming, Shen Zemin, Zhu is clear.
This section is the first issue of inspection and quarantine industry standards.
Port of entry can be used as raw materials
Industrial waste control loop index detection method
1 Scope
This section SN/T 2302 specifies the method for determination of pH port of entry can be used as raw material industrial waste.
This section applies to the port of entry may be used as industrial waste materials, including paper and cardboard, scrap fibers, scrap iron and steel, non-ferrous scrap metal
Genus, scrap metal, scrap plastic.
2 Normative references
The following documents contain provisions which, through reference SN/T 2302 to the present, constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB 6856 pH reference reagents sodium tetraborate
GB 6857 pH reference reagent potassium hydrogen phthalate
Determination of GB/T 7573 Textiles pH value of the aqueous extract
Principle 3
At room temperature, the use of a combination of flat head directly test the pH electrode surface of the object.
Test Method 4
4.1 Sample Preparation
From the port of entry inspection of industrial waste used as raw materials in sufficient random representative sample, even if the difference of the sample can be
At various points to consider bulk cargo sampling, reduction of sub-effective to produce a sample to be tested.
1) paper and cardboard
Being a representative sample of about 10g, select the smooth surface of the paper or paperboard, made into a circular diameter greater than 5cm of the sample
5 parts.
2) waste fiber
Being a representative sample of about 10g, scrap fabric type, select the smooth surface of the sample, made into a circular diameter greater than 5cm test
Sample 5; Waste loose fibers and the like, will tile production samples into the sample diameter greater than 5 parts of 5cm.
3) iron and steel scrap
Get enough of a representative sample, the reasonable decimated, made 5 parts of the sample, each sample to be tested is less than 10g, per
Test samples shall be not less than the surface area of 25cm2.
4) non-ferrous metal scrap and waste metal
Get enough of a representative sample, the reasonable decimated, made 5 parts of the sample, each sample to be tested is less than 10g, per
Test samples shall be not less than the surface area of 25cm2.
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