Skip to product information
1 of 3

PayPal, credit cards. Download editable-PDF and invoice in 1 second!

GB/T 1816-2019 English PDF (GBT1816-2019)

GB/T 1816-2019 English PDF (GBT1816-2019)

Regular price $110.00 USD
Regular price Sale price $110.00 USD
Sale Sold out
Shipping calculated at checkout.
Quotation: In 1-minute, 24-hr self-service. Click here GB/T 1816-2019 to get it for Purchase Approval, Bank TT...

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

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.
GB/T 1816-2019
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 71.080
G 18
Replacing GB/T 1816-1997
Test for Neutrality of Benzole Products
ISSUED ON: JUNE 4, 2019
IMPLEMENTED ON: JANUARY 1, 2020
Issued by: State Administration for Market Regulation;
Standardization Administration of the PEOPLE Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Principle ... 4
4 Sampling and Sample Preparation ... 4
5 Reagents ... 5
6 Instruments ... 5
7 Test Procedures ... 5
8 Test Result ... 5
Test for Neutrality of Benzole Products
Warning: benzole products are volatile toxic and harmful substances; operators shall properly wear protective articles, for example, gas mask, and operate in ventilation hood.
1 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. 2 Normative References
The following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 603 Chemical Reagent - Preparations of Reagent Solutions for Use in Test Methods;
GB/T 1999 Sampling of Coking Oil Products;
GB/T 4756 Method for Manual Sampling of Petroleum Liquids
3 Principle
At room temperature, use quantitative water to extract quantitative sample. Use the acidity and alkalinity of the extract to express the acidity and alkalinity of products. 4 Sampling and Sample Preparation
The sampling and sample preparation of benzole products shall comply with the stipulations in GB/T 1999 and GB/T 4756.

View full details