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SN/T 2195-2008: Determination of released formaldehyde in textile. Nodestructive inspection
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2195-2008 | English | 189 |
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Determination of released formaldehyde in textile. Nodestructive inspection
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SN/T 2195-2008
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Basic data | Standard ID | SN/T 2195-2008 (SN/T2195-2008) | | Description (Translated English) | Determination of released formaldehyde in textile. Nodestructive inspection | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | W04 | | Classification of International Standard | 59.080.01 | | Word Count Estimation | 7,753 | | Date of Issue | 2008-11-18 | | Date of Implementation | 2009-06-01 | | Quoted Standard | GB/T 6682; GB/T 8170; GB/T 2912 | | Regulation (derived from) | National Quality Inspection [2008] No. 577 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the formaldehyde content in textiles undamaged determination method. This standard applies to the determination of formaldehyde in textiles. | SN/T 2195-2008: Determination of released formaldehyde in textile. Nodestructive inspection---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 released formaldehyde in textile.Nodestructive inspection
Exit inspection and quarantine industry standard book People's Republic of China
Textiles - Determination of formaldehyde release undamaged law
Posted 2008-11-18
2009-06-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Guangdong Inspection and Quarantine Technology Center, People's Republic of China Zengcheng Exit Inspection and Quarantine, South China Normal University.
The main drafters of this standard. Deng Zhiguang, Zhang Xiaoli, Yin Jixian, Xu Min, Liang Yong, leaves the lake, Huang Boxi.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Textiles - Determination of formaldehyde release undamaged law
Warning. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security issues,
Users are responsible for the use of appropriate safety and health practices and to ensure compliance with the conditions of the relevant national laws. Formaldehyde covered by this standard
Reagent is a toxic chemical, the following is the most important safety regulations.
Rao) Preparation of formaldehyde standard solution should have security measures carried out under conditions;
Chou) preparation and storage amount of formaldehyde standard solution must not exceed security conditions allowed.
1 Scope
This standard specifies the method for determination of formaldehyde content in textiles undamaged law.
This standard applies to the determination of formaldehyde in textiles.
2 Normative references
The following documents contain provisions which, through reference in this standard to become the standard terms. For dated references, all subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to study under this agreement is standard
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)
GB/T 8170 repair of the table about the numerical limit values and rules determining
Determination of GB/T 2912 (all parts) of formaldehyde in textiles
Principle 3
The test sample is placed in the drum with a seal, the gas can be heated volatile collection vessel, under the conditions of constant temperature, and collected by
Vacuum suction pump connected to the sample extraction of volatile formaldehyde, formaldehyde gas is absorbed by the solution set of cylinders, the gas is absorbed after
Back into the container via a conduit, cycle, After the specified time, remove the aqueous absorption bottle, acetylacetone color, a color developing solution
Spectrophotometer colorimetric assay samples with formaldehyde content.
4 Reagents
All reagents are used analytically pure water are all third grade water (GB/T 6682).
4.1 acetylacetone.
4.2 ammonium acetate.
4.3 acetyl acetone reagent (Nessler). added 1000mL volumetric flask 150g ammonium acetate dissolved in 800mL of water, then add
3mL 2mL glacial acetic acid and acetyl acetone, diluted with water to the mark, with a brown bottle storage, 12h after use, effective within 6 weeks.
4.4 standard solution of formaldehyde.
5 Instruments
5.1 volatile gas collector, requirements are as follows.
5.1.1 Schematic volatile gas collector
An air collection device (see Figure 1) by a sealed compartment thermostat (rotatable inside the network), the collection bottle, air pump, adjusting the monitoring apparatus (temperature, time,
Speed) components.
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