71.040.01 - Analytical chemistry in general

SIST EN ISO 5089 Specifies methods of obtaining laboratory test samples of textile materials from laboratory bulk samples taken from a bulk source, and gives general directions for the preparation of test specimens of convenient size for chemical tests. Definitions in relating to bulk source, laboratory bulk sample, laboratory test sample and test specimen are given.

Specifies the requirements for three grades for the analysis of inorganic chemicals. Not applicable to organic trace analysis, analysis of surface-active agents and biological or medical analysis. The material shall be a clear, colourless liquid as assessed by inspection. Classifies according to the content: free from dissolved or colloidal ionic and organic contaminants, very low inorganic, organic or colloidal contaminants and suitable for laboratory wet chemistry work. Specifies the pH and co...view more