GB/T 27842-2011 (English Version) PDF

Standard No.: GB/T 27842-2011
Language: Chinese, Available in English version
Release Date: 2011
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 27842-2011

Scope: IMPORTANT NOTE: It is not the intent of this standard to state all of the safety issues, if any, involved in using this standard. It is the responsibility of the user of this standard to consult and establish appropriate safety and health practices and to determine compliance with relevant legal requirements prior to use. See 7.3, 7.4 and 7.5 for relevant warning statements. This standard specifies the principle, significance and use, instruments and equipment, reagents and materials, calibration and standardization, experimental procedures, calculation and reporting of dynamic surface tension determination by the rapid bubble method of chemicals. This standard is applicable to the determination of the free energy of the instantaneous liquid-gas interface formed on the surface. This standard applies to liquids whose vapor pressure is less than or equal to 30.0 kPa and whose kinematic viscosity is less than or equal to 4.0 mm/s at the test temperature.

GB/T 27842-2011 Referenced Document

ASTM D1193 Standard Specification for Reagent Water
ASTM D1331 Standard Test Methods for Surface and Interfacial Tension of Solutions of Surface-Active Agents
ASTM E1 Standard Specification for ASTM Thermometers

2011 GB/T 27842-2011 Chemicals.Test method for dynamic surface tension.Fast-bubble technique