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GB/T 12827-2008 PDF English

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GB/T 12827-2008: Standard reference acetylene blank and standard practice for evaluation
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GB/T 12827: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
GB/T 12827-2008English139 Add to Cart 3 days [Need to translate] Standard reference acetylene blank and standard practice for evaluation
GB/T 12827-1991English199 Add to Cart 2 days [Need to translate] Standard reference acetylene black and standard practice for evaluation

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Basic data

Standard ID GB/T 12827-2008 (GB/T12827-2008)
Description (Translated English) Standard reference acetylene blank and standard practice for evaluation
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G49
Classification of International Standard 83.040.20
Word Count Estimation 6,628
Date of Issue 2008-06-18
Date of Implementation 2009-02-01
Older Standard (superseded by this standard) GB/T 12827-1991
Quoted Standard GB/T 3780.1; GB/T 3780.7; GB/T 3780.8; GB/T 3780.10; GB/T 3781.5; GB/T 3781.6; GB/T 3781.8; GB/T 3781.9; GB/T 3782
Regulation (derived from) National Standard Approval Announcement 2008 No.10 (Total No.123)
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 standard value of the standard reference on the 1st than acetylene black main physical and chemical properties, production quality control requirements and test their uniformity standard methods. This standard applies to standard reference acetylene black identification and value, can also be applied in the calibration of test equipment.

GB/T 12827-2008: Standard reference acetylene blank and standard practice for evaluation


---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.
Standard reference acetylene blank and standard practice for evaluation ICS 83.040.20 G49 National Standards of People's Republic of China Replacing GB/T 12827-1991 Standard reference acetylene black and identification methods Posted 2008-06-18 2009-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 12827-1991 "Standard reference acetylene black and identification methods." This standard compared with GB/T 12827-1991 main changes are as follows. a) increasing the "Preface" and "warning" language; b) Normative documents using the latest version of the standard number and standard name; c) increase the "meaning" (Excerpts Chapter 3); d) Excerpts of the reg number "4 ~ 10" correspond to the 1991 edition of the "3 to 9"; e) The 1991 edition SRABR1 testing program "specific resistance, kΩ · cm" was changed to "resistivity, Ω · m", the standard value "0.20 ± 0.03 "was changed to" 2.0 ± 0.3 "(Excerpts of Table 1); f) according to GB/T 3781.8 the latest version of "hydrochloric acid liquid absorption test method" changes in Table 1 SRABR1 hydrochloric acid aspiration amount standard value By the (4.2 ± 0.3) cm3/g modified to (4.0 ± 0.3) cm3/g (Excerpts of Table 1); g) 1991 edition of the row and column mean the upper and lower control limits and standard deviation formula is wrong, this edition has been corrected (1991 edition 7.3,7.7, 8.3,8.7 this edition); h) deleted "that" content (Chapter 9 1991 edition); i) Remove the 1991 edition of "additional instructions." The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Rubber and rubber products Standardization Technical Committee of carbon black Technical Committee (SAC/TC35/SC5) centralized. This standard is drafted by. China Rubber Group Carbon Black Research & Design Institute. 3.1 standard used to ensure that each batch of standard parameters are evaluated according to the same standard procedures than acetylene black. 3.2 standard criteria used to determine the value of acetylene black is used as a reference standard of physical and chemical properties of the product.

4 Standard reference acetylene black standard value

SRAB1 standard values \u200b\u200bas shown in Table 1. ...

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