GB/T 21497-2008 English PDF

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GB/T 21497-2008: Animal and vegetable fats and oils -- Flashpoint limit test using Pensky -- Martens closed cup flash tester
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21497-2008	134	Add to Cart	3 days	Animal and vegetable fats and oils -- Flashpoint limit test using Pensky -- Martens closed cup flash tester	Valid

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Basic data

Standard ID: GB/T 21497-2008 (GB/T21497-2008)
Description (Translated English): Animal and vegetable fats and oils -- Flashpoint limit test using Pensky -- Martens closed cup flash tester
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X14
Classification of International Standard: 67.200.10
Word Count Estimation: 7,761
Date of Issue: 2008-03-06
Date of Implementation: 2008-08-01
Quoted Standard: GB/T 15687; GB/T 261
Adopted Standard: ISO 15267-1998, IDT
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 test at a given temperature conditions prescribed under observation in the oil sample, method when subjected to flame effect whether flashover. This standard applies to plant and animal oils and marine oils. These oils contain or may contain small amounts of volatile flammable solvents.

GB/T 21497-2008: Animal and vegetable fats and oils -- Flashpoint limit test using Pensky -- Martens closed cup flash tester

---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.
Animal and vegatable fats and oils. Flashpoint limit test using Pensky. Martens closed cup flash tester ICS 67.200.10 X14 National Standards of People's Republic of China GB/T 21497-2008/ISO 15267.1998 Animal and vegetable fats constant temperature flashover test Pensky - Martens closed cup method (ISO 15267.1998, IDT) Posted 2008-03-06 2008-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is equivalent to international standard ISO 15267.1998 "Animal and vegetable fats constant temperature flashover test Pensky - Martens closed cup method." For ease of use, the standard ISO 15267 includes the following editorial changes. --- Deleted international standards foreword; --- "This International Standard" be replaced by "this standard"; --- With a decimal point as a decimal point instead of the original ",". ","; --- Normative references in "ISO 661. 1989 Animal and vegetable fats sample preparation" is replaced by GB/T 15687, "ISO 2719. 1988 Determination of the flash point of petroleum products and lubricants Pensky - Martens closed cup method "with GB/T 261; --- 4.1 attached "Pensky - Martin (Pensky-Martens) closed cup tester flashover" Fig. Appendix A of this standard is an informative annex. The standard proposed by the National Food Authority. This standard by the National Standardization Technical Committee OILS. This standard is drafted by. Nanjing University of Finance and Economics, Jiangsu Province Product Quality Supervision and Inspection Center. The main drafters of this standard. Yang Huiping, Yuan Jian, Huang Xiaofeng, Jing Cai, Meng column group, Yang Xiaorong. GB/T 21497-2008/ISO 15267.1998 Animal and vegetable fats constant temperature flashover test Pensky - Martens closed cup method

1 Scope

This standard specifies the test at a given temperature observations in the conditions prescribed grease sample, when subjected to flame method whether flash fire. This standard applies to animal and plant oils and marine oils, these oils contain or may contain small amounts of volatile flammable solvents.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 15687 grease sample preparation (GB/T 15687-1995, eqv ISO 661. 1989) GB/T 261 Petroleum products - Determination of flash point (closed cup) (GB/T 261-1983, neq ISO 2719. 1973) Principle 3 At a constant slow and continuous stirring, heating of the sample. After stabilizing at a predetermined temperature, the test flame is introduced in the test sample cup. When large Now flames and the flame spread on the sample surface, the sample is considered to have been flashover; such as around the test flame appears only blue iris, it should not be considered flashover.

4 Instrument

4.1 Pensky - Martin (Pensky-Martens) closed cup flash fire tester. For details, see Figure 1 (taken from GB/T 261). 1 --- flexible shaft; 5 --- lid; --- top plate. 9; 13C --- catheter; 2 --- shutter lever; 6 --- distance piece, 9.5mm; 10 --- air bath; 14 --- shutter; 3 --- ignition device; 7 --- test cups; metal thickness around the cup. 11 --- test of at least 6.5mm; 15 --- handle (optional). 4 --- thermometer; 8 --- heating chamber; 12 --- heater, flame resistance type or type; Note. The cover assembly may be positioned on the right hand side or left hand side. a air gap. GB/T 21497-2008/ISO 15267.1998 ......

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