GB/T 3780.23-2016Carbon black—Part 23: Sampling and testing of carbon black fugitive emissions or other environmental particulate (English PDF)
炭黑 第23部分：逸散炭黑或其他环境颗粒的采样和鉴定
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 13, 2016
Implementation date
July 1, 2017
Scope
GB/T 3780.23-2016 is the English-translated version of 炭黑 第23部分：逸散炭黑或其他环境颗粒的采样和鉴定.
GB/T 3780.23-2016 is the Chinese standard "Carbon black—Part 23: Sampling and testing of carbon black fugitive emissions or other environmental particulate". Its scope clause reads: This part of GB/T 3780 specifies the sampling and identification of carbon black and other environmental particulates in the production process of carbon black.
This part applies to the identification of carbon black or other environmental particulates in the production of carbon black. Its clauses include normative reference documents; terms and definitions.
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Document preview — GB/T 3780.23-2016
National Standard of the People's Republic of China
- ICS
- 83.040.20
- Classification
- G 49
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 normative reference documents
- 3 terms and definitions
- 3.1 String of grape-like aciniform
- 3.2 String of grape-like carbon
- 3.3 Carbon black
- 3.4 Sample supervision and delivery chainofcustody
1 Scope
This part of GB/T 3780 specifies the sampling and identification of carbon black and other environmental particulates in the production process of carbon black.
This part applies to the identification of carbon black or other environmental particulates in the production of carbon black.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
Carbon black - Part 14. Determination of sulfur content GB/T 3780.14
3 terms and definitions
The following terms and definitions apply to this document.
3.1 String of grape-like aciniform
Shaped like a bunch of grapes.
Note. The black particles of carbon black particles into the colloidal size of the aggregates, and grape morphology.
3.2 String of grape-like carbon
Colloidal carbon, aggregated by globular primary particles (or nodules) into colloidal sizes and aggregated, with grape-like or open dendrites structure.
3.3 Carbon black
An engineering material, mainly composed of carbon elements, from the incomplete combustion of hydrocarbons and thermal cracking derived from spherical primary particles
Into a cluster of grape-like aggregates exist. For a given aggregate, the primary particles are homogeneous and the inside of the original particles structure.
Note. Particle size and aggregate size (including the number of particles per aggregate) are distributed and vary with the variety of carbon black. Its electron microscopy
As noted in Appendix A, although the size of the aggregates in a designated carbon black variety varies widely, the size of the primary particles in each aggregate is essentially
Is consistent.
3.4 Sample supervision and delivery chainofcustody
A set of documents describing the conditions for sample collection, analysis, and processing.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.
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Related Standards
GB/T 3780.24-2017 — Carbon black-Part 24: Determination of void volume
GB/T 3780.22-2016 — Carbon black - Part 22: Calculation of process indexes from an analysis of process control data
GB/T 3780.25-2018 — Carbon black—Part 25: Determination of carbon content
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GB/T 3780.23-2016
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