GB/T 34323-2017 English PDF

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GB/T 34323-2017: Carbon black -- Determination of light transmittance of water dispersion -- Spectrophotometer method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34323-2017	119	Add to Cart	3 days	Carbon black -- Determination of light transmittance of water dispersion -- Spectrophotometer method	Valid

Similar standards

GB/T 7044   GB/T 3780.8   GB/T 3782   GB/T 41957   GB/T 41938   

Basic data

Standard ID: GB/T 34323-2017 (GB/T34323-2017)
Description (Translated English): Carbon black -- Determination of light transmittance of water dispersion -- Spectrophotometer method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G49
Classification of International Standard: 83.040.30
Word Count Estimation: 6,680
Date of Issue: 2017-09-07
Date of Implementation: 2018-04-01
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

GB/T 34323-2017: Carbon black -- Determination of light transmittance of water dispersion -- Spectrophotometer method

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Carbon black - Determination of light transmittance of water dispersion - Spectrophotometer method ICS 83.040.30 G49 National Standards of People's Republic of China Determination of the transmittance of carbon black aqueous dispersions Carbonblack-Determination of light transmittance of water dispersion- 2017-09-07 Posted 2018-04-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Petroleum and Chemical Industry Federation. This standard by the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35) centralized. This standard was drafted unit. New Materials Co., Ltd. Anhui black Yu pigment, carbon rubber industrial research and Design Institute in China, Anhui Institute of Standardization Institute. The main drafters of this standard.Zhou Fengrui, Deng Yi, Wu Bao Song, Huang Kun.

Introduction

The issuing authority of this document draws attention to the fact that statements that conform to this document may involve the patent ZL201110201126.1 "A Quantitative Measurement Carbon black water dispersibility detection method "use. The issuing authority of this document has no position whatsoever about the truthfulness, validity and scope of this patent. The patentee has assured the issuing authority of this document that he agrees that the user of this document may freely use the relevant technology of the patent Rong The patentee's statement has been filed with the issuing authority of this document. Related information can be obtained through the following contact. Name of the patent holder. Anhui Heyu Pigment New Material Co., Ltd. Address. Hefei, Anhui Province, Buried Hill Road and the intersection of high green Blue Ocean Block C, Room 501 Please note that in addition to the above patents, some of the contents of this document may still involve patents. The issuing agencies of this document are not responsible for identifying these specializations Lee's responsibility. Determination of the transmittance of carbon black aqueous dispersions Spectrophotometry Warning. Personnel using this standard should have the practical experience of regular laboratory work. This standard does not indicate all possible security issues. It is the user's responsibility to take appropriate safety and health measures and to ensure compliance with the requirements of the relevant state laws and regulations.

1 Scope

This standard specifies the visible light spectrophotometer method for the determination of light transmittance of carbon black aqueous dispersion. This standard applies to coated super-water-dispersible carbon black.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 3780.8 Carbon black Part 8. Determination of heating loss GB/T 7044 pigment black GB/T 8170 rounded repair rules and limit values of the representation and judgment

3 principle

The spectrophotometer emits a directional light through a dispersion with carbon black as the dispersed material (dispersed phase) and water as the dispersed medium (continuous phase) , A part of the light is reflected or scattered on the surface of the dispersion system and a part of the light is absorbed by the substance constituting the dispersion system and only a part of the light Through Its transmittance quantitatively reflects the dispersion of carbon black in water.

4 reagent

Unless otherwise specified, only reagents identified as analytically pure and distilled or de-ionized water or rather pure water are used in the analysis.

5 instruments

5.1 Analytical balance, dividing the value of 0.1mg. 5.2 oven, gravity convection type, controllable temperature (125 ± 5) ℃. 5.3 cylinder, 100mL. 5.4 graduated straw, 5mL. 5.5 beaker, 150mL. 5.6 volumetric flask, 50mL. 5.7 Visible spectrophotometer with a glass colorimetric cell with an optical path of 10 mm.

6 samples

6.1 according to the provisions of GB/T 7044 to take a carbon black sample. ......

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