Tiêu chuẩn quốc tế

Số hiệu

Standard Number

ASTM D7148-19
Năm ban hành 2019

Publication date

Tình trạng W - Hết hiệu lực

Status

Tên tiếng Anh

Title in English

Standard Test Method for Determining the Ionic Resistivity (ER) of Alkaline Battery Separator Using a Carbon Electrode in an Electrolyte Bath Measuring System
Chỉ số phân loại Quốc tế (ICS)

By field

29.220 - Pin và ác quy ganvanic
29.220.30 - Pin và acquy thứ cấp kiềm
Số trang

Page

7
Giá:

Price

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Phạm vi áp dụng

Scope of standard

1.1 This test method covers the pretreatment, test conditions, apparatus, and procedure to determine the ionic resistivity, commonly referred to in the battery industry as electrical resistance (ER) of an alkaline battery separator immersed in an electrolyte of 40 % potassium hydroxide (KOH). 1.2 The values stated in SI units are to be regarded as the standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.