GB/T 3780.5-2008 in English
SUPERSEDEDCarbon black - Part 5:Determination of specific surface area-CTAB test method
- Issued on:2008-05-14
- Implemented on:2008-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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《GB/T 3780.5-2008炭黑 第5部分:比表面积的测定 CTAB法》由TC35(全国橡胶与橡胶制品标准化技术委员会)归口,TC35SC5(全国橡胶与橡胶制品标准化技术委员会炭黑分会)执行,主管部门为中国石油和化学工业联合会。
GB/T3780《炭黑》分为21个部分,本部分是GB/T3780的第5部分。本部分是GB/T3780的第5部分。GB/T 3780的本部分规定了用十六烷基三甲基溴化铵 (CTAB)方法,测定炭黑外表面积的测试方法。本部分适用于橡胶用炭黑。本部分代替GB/T3780.5―2002《橡胶用炭黑比表面积的测定 CTAB法》。
本部分与GB/T3780.5―2002相比主要变化如下:
a)修改了标准名称;
b)删除了GB/T6682,(本版的第2章);
c)删除手工法OT/SDS滴定CTAB 的方法及SDS 自动滴定CTAB 的方法(2002 年版的3.2、7.6.2、7.6.3、7.6.4);
d)删除SDS的溶液及相关试剂的配制方法(2002年版的4.5、4.6);
e)增加振荡机、电位滴定仪(2002版的5.1、5.3;本版的5.3、5.5);
f)删除滤膜处理方法(2002年版的5.6);
g)删除照明光源(2002年版的5.7);
h)删除10cm3 移液管(2002年版的5.9);
i)修改箱烘温度为(125±1)℃(2002年版的5.8;本版的5.7);
j)修改了过滤方式(2002年版的7.4;本版的8.4、8.5);
k)增加了“炭黑的滤液如果透滤,试样应废弃,不能重新过滤”(本版的8.5注);
l)增加了“CTAB溶液的校准”(本版的第11章);
m)修改了精密度(2002年版的第10章;本版的第12章);
n)增加资料性附录A“本部分章条编号与ASTM D3765:2004章条编号对照”;
o)增加资料性附录C“SRB系列标准参比炭黑CTAB比表面积值与STSA 外表面积文献值”。
1 Scope
This part of GB/T 3780 specifies the test method of using the cetyl trimethylammonium bromide (CTAB) method to determine the external surface area of carbon black.
This part is applicable to rubber grade carbon black.
2 Normative References
The following standards contain provisions which, through reference in this part of GB/T 3780, constitute provisions of this part. For dated reference, subsequent modification to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this part are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this part.
Contents
Foreword I
1 Scope
2 Normative References
3 Principle
4 Reagents and Materials
5 Apparatus
6 Sampling
7 Test Condition
8 Analytical Procedure
9 Determination of Correlation Coefficient
10 Calculation
11 Calibration of CTAB Solution
12 Precision
13 Test Report
Annex A (Informative) Comparison between Chapter and Article Numbers of this Part and Those of ASTM D 3765:2004
Annex B (Informative) Determination of Correlation Coefficient and Example of Calculation
Annex C (Informative) CTAB Specific Surface Areas and STSA Reference Values of SRB Series Standard Reference Blacks

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