GB/T 2383-2014 English PDF

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GB/T 2383-2014: Powder dyes -- Determination of fineness by sieve analysis
Status: Valid

GB/T 2383: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 2383-2014	149	Add to Cart	2 days	Powder dyes -- Determination of fineness by sieve analysis	Valid
GB/T 2383-2003	199	Add to Cart	2 days	Dyes -- Determination of fineness by sieve analysis	Obsolete
GB/T 2383-1980	199	Add to Cart	2 days	Determination of degree of fineness of dyes by screen analysis	Obsolete

Similar standards

GB/T 23978   GB/T 24164   GB/T 2374   GB/T 2391   GB/T 2384   

Basic data

Standard ID: GB/T 2383-2014 (GB/T2383-2014)
Description (Translated English): Powder dyes -- Determination of fineness by sieve analysis
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G55
Classification of International Standard: 71.100.01; 87.060.10
Word Count Estimation: 5,548
Date of Issue: 7/8/2014
Date of Implementation: 12/1/2014
Older Standard (superseded by this standard): GB/T 2383-2003
Quoted Standard: GB/T 2374-2007; GB/T 8170-2008
Regulation (derived from): 2014 National Standards Bulletin No. 18
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 powdered dye screening fineness (referred fineness) measurement method. This standard applies to the determination of various types of powdered organic dye screening fineness.

GB/T 2383-2014: Powder dyes -- Determination of fineness by sieve analysis

---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.
Powder dyes. Determination of fineness by sieve analysis ICS 71.100.01; 87.060.10 G55 National Standards of People's Republic of China Replacing GB/T 2383-2003 Determination of powdered dyes screening fineness Issued on. 2014-07-08 2014-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 2383-2003 "Determination of fineness screening dye", compared with the GB/T 2383-2003, the main technical change Of the following. --- Standard name was changed to "Determination of the fineness of powdered dyes screening" (see standard name, the 2003 edition of the standard name); --- Increasing the reference standard (see Chapter 2); --- Increased by principle (see Chapter 3); --- Increased vibration sieve method (see 5.2); --- Increase results rounding rule content (see 5.3); --- Modify the content of the test report (see Chapter 6, Chapter 5 of the 2003 edition). The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee Dye (SAC/TC134) centralized. This standard was drafted. Dalian University of Technology, Shenyang Institute of Chemical Industry Co., Ltd., the State Quality Supervision and Inspection Center dye. The main drafters of this standard. Peng Xiaojun, Yang Zhenmei, Kiran Qin, Wang Yong. This standard replaces the standards previously issued as follows. --- GB/T 2383-1980, GB/T 2383-2003. Determination of powdered dyes screening fineness

1 Scope

This standard specifies the powdered dye screening fineness (referred fineness) measurement method. This standard applies to the determination of various types of powdered organic dye screening fineness.

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. General conditions GB/T 2374-2007 Determination of dyes provisions GB/T 8170-2008 repair numerical representation about rules and limit values \u200b\u200band judgment Principle 3 Powdered dye after a certain size standard sieve sieved mass fraction residue represented sieve fineness.

4 instruments and equipment

The equipment shall comply with GB/T 2374-2007 Chapter 4, comprising. a) analytical balance. a sense of not more than 0.0001g; b) standard sieve. sieve test prescribed standard aperture; c) automatic standard sieve shaker. shake frequency 221 times/min, vibration frequency of 147 times/min, the radius of gyration 12.5mm, amplitude 5mm. Step 5 Analysis 5.1 Hand sieve method Weigh a sample of about 10g (accurate to 0.001g), in the prescribed aperture standard sieve vibrating sieve, then lightly with a soft brush until placed The following white paper standard sieve no fines in the 30s until the fall. Collect residual dye on the screen, weighed (accurate to 0.0001g). 5.2 shaker method Weigh a sample of about 10g (accurate to 0.001g), placed in a standard sieve tray coincide with predetermined aperture in, close the lid, test sieves Install shaken on an automatic standard sieve shaker. 10min after turning off the machine vibration sieve, let the dust settling after a few seconds opened the screen cover with a soft brush to clean All clogged sieve material collected residual dye on the screen, weighed (accurate to 0.0001g). 5.3 Calculation Screening fineness w mass fraction (%) expressed by the formula (1). ......

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