1 Scope
This part of GB/T 3780 specifies procedures for determining the heating loss of carbon black, such as Procedure A (gravity-convection oven procedure), Procedure B (moisture balance procedure) and Procedure C (infrared irradiation procedure), thereof arbitration method is for Procedure A and intermediate-control analysis method is for Procedure B and Procedure C.
This part is applicable to carbon black for use in rubber products, acetylene and colour carbon black.
2 Normative References
The following documents contain provisions which, through reference in this part of GB/T 3780, constitute provisions of this part. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties whose enter into agreement according to this part are encouraged to research whether the latest editions of these references are applied or not. For undated references, the latest edition of the reference document is applicable to this part.
Contents
Foreword I
1 Scope
2 Normative References
3 Principle (Procedure A-Gravity-convection Oven Procedure)
4 Apparatus
5 Sampling
6 Analytical Procedures
7 Expression of Results
8 Accuracy
9 Principle (Procedure B-Moisture Balance Procedure)
10 Apparatus
11 Sampling
12 Analytical Procedures
13 Expression of Results
14 Principle (Procedure C-Infrared Irradiation Procedure)
15 Sampling
16 Apparatus
17 Analytical Procedures
18 Expression of Results
19 Accuracy
20 Test Report
Annex A (Informative) Comparison between Chapter and Article Numbers of this Part and those of ISO 1126: 2006
Annex B (Informative) Technical Differences and Reasons between this Part and ISO 1126: 2006
Annex C (Informative) Comparison of Procedure B and Procedure C
