GB/T 1816-2019: Test for neutrality of benzol products

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Scope

This Standard stipulates the principle, sampling and sample preparation, reagents,
instruments, test procedures and test result of test for neutrality of benzole products.
This Standard is applicable to test for neutrality of benzole products, such as crude
benzole, which is recovered from coke oven gas; coking benzene, coking toluene and
coking xylene, which are obtained from light benzene through hydrogenation and
rectification; petroleum benzene, petroleum toluene and petroleum mixed xylene,
which are produced from petroleum fraction through catalytic reforming process, etc.

Basic Data

Standard ID	GB/T 1816-2019 (GB/T1816-2019)
Description (Translated English)	Test for neutrality of benzol products
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G18
Classification of International Standard	71.080
Word Count Estimation	6,674
Date of Issue	2019-06-04
Date of Implementation	2020-01-01
Older Standard (superseded by this standard)	GB/T 1816-1997
Quoted Standard	GB/T 603; GB/T 1999; GB/T 4756
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration
Summary	This standard specifies the principle of neutrality test for benzene products, sample collection and preparation, reagents, instruments, test procedures and test results. This standard applies to coking benzene, coking toluene, coking xylene and petroleum distillates produced by catalytic reforming of crude benzene and light benzene recovered from coke oven gas by hydrogenation and rectification. Neutrality test for mixed benzene products such as xylene.