GB/T 46422-2025 in English

VALID

Petroleum products and other liquids—Determination of total acidity in ethanol—Potentiometric titration method

Issued on:2025-10-05
Implemented on:2026-05-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $270.00
$262.00

Standard No:	GB/T 46422-2025
Document status:	VALID
Title in English:	Petroleum products and other liquids—Determination of total acidity in ethanol—Potentiometric titration method
Title in Chinese:	石油产品及其他液体乙醇总酸值的测定电位滴定法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2025-10-05
Implemented on:	2026-05-01
ICS Classification:	75.080-Petroleum products in general
Chinese Classification:	E30-Petroleum products in general
Professional Classification:	GB-National Standard
Related Keywords:	ethanol potentiometric titration method introductionthis standard petroleum products potentiometric titration total acidity total acid value

《GB/T 46422-2025石油产品及其他液体乙醇总酸值的测定电位滴定法》由TC280（全国石油产品和润滑剂标准化技术委员会）归口，TC280SC1（全国石油产品和润滑剂标准化技术委员会石油燃料和润滑剂分会）执行，主管部门为国家标准委。

Introduction

This standard provides a method for determining the total acid value of ethanol in petroleum products and other liquids using potentiometric titration. It outlines the procedures, equipment, and conditions necessary for accurate measurement. The method is designed to ensure consistency and reliability in analytical results. The standard specifies the preparation of reagents, calibration of instruments, and calculation of acid values. It also includes details on sample preparation and handling to minimize errors. The procedure is applicable for both routine analysis and quality control purposes. The standard is structured to facilitate the implementation of the method in laboratories.

*** Please note: This description may not be accurate, please refer to the official documentation.

More samples: DL/T 5154-2012 JC/T 2453-2018 YD/T 3934-2021

Sample only — not a preview of GB/T 46422-2025

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