Найдено: 13
Overview ISO 4319:1977 - Surface active agents - Detergents for washing fabrics - Guide for comparative testing of performance is an ISO guide for designing and conducting comparative tests that real…
Overview ISO 4317:2011 - "Surface‑active agents and detergents - Determination of water content - Karl Fischer methods" specifies two Karl Fischer titration methods (volumetric and coulometric) for m…
Overview ISO 4311:1979 defines a standard laboratory method for determining the critical micellization concentration (c.m.c.) of anionic and non‑ionic surfactants by measuring surface tension. The pr…
Overview ISO 4312:1989 - "Surface active agents - Evaluation of certain effects of laundering - Methods of analysis and test for unsoiled cotton control cloth" - defines laboratory methods to measure…
Overview ISO 4316:1977 specifies the potentiometric method for determining the pH of aqueous solutions containing surface active agents (surfactants). Developed by the International Organization for…
Overview ISO 4315:1977 specifies a titrimetric method for determining the alkalinity of surface active agents. This internationally recognized standard describes a precise laboratory procedure where…
Overview ISO 4313:1976 is an international standard published by the International Organization for Standardization (ISO) that specifies a gravimetric analytical method for determining the total phos…
Overview ISO 4318:1989 specifies an azeotropic distillation (Dean–Stark) method for determining the water content of surface active agents and soaps. The procedure removes water from a test portion b…
Overview ISO 4314:1977 - Surface active agents - Determination of free alkalinity or free acidity - Titrimetric method specifies a simple volumetric titration to quantify the free alkalinity (alkali…
Overview ISO 4310:2009 - "Cranes - Test code and procedures" defines standardized tests, inspections and procedures to verify that a crane conforms to its operational specifications and can safely li…