GB/T 3069.2-2005 in English
VALIDMethod for the determination of the crystallization temperature of naphthalene
- Issued on:2005-05-13
- Implemented on:2005-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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《GB/T 3069.2-2005萘结晶点的测定方法》由TC469(全国煤化工标准化技术委员会)归口,TC469SC3(全国煤化工标准化技术委员会炼焦化学分会)执行,主管部门为国家标准化管理委员会
本标准规定了萘结晶点测定的原理、仪器、试剂、试样的采娶试验步骤、结果计算和精密度。本标准适用于分馏高温煤焦油所得的含萘馏分,经洗涤、精馏制得的精萘、工业萘中结晶点的测定。
Scope
This standard specifies the principle, instruments, reagents, sample collection, test procedures, result calculation and precision of determination of naphthalene crystallization point. This standard is applicable to the determination of the crystallization point of refined naphthalene and industrial naphthalene obtained by washing and rectifying the naphthalene-containing fraction obtained by fractionating high-temperature coal tar.

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