Water quality — Determination of free chlorine and total chlorine — Part 2: Colorimetric method usin...
Specifies a procedure for water, readily applicable to field testing; it is based on measurement of the colour intensity by visual comparison of the colour with a scale of standards which is regularly calibrated. Sea water and waters containing bromides and iodides comprise a group for which special procedures are required. The procedure is applicable to concentrations, in terms of chlorine, from…
Specification of a family of methods for describing and assessing the flavour of food products by qualified and trained assessors. The methods consists of procedures for describing and assessing in a reproducible way. The seperate attributes contributing to the formation of the overall impression given by the product are identified and their intensity assessed in order to build up a description…
Forestry machinery — Portable chain-saws — Determination of balance
Specifies a test method and requirements for the longitudinal balance of combustion engine chain-saws. Some figures illustrate the meaning of the description.
Textiles — Tests for colour fastness — Part F: Standard adjacent fabrics
The specifications included in ISO 105/F are intended to establish undyed adjacent fabrics from different single fibres which may be used for the assessment of staining in colour fastness test procedure. These single-fibre adjacent fabrics exhibit standardized staining properties. The parts of ISO 105/F provide single-fibre adjacent fabrics as follows: F01: Wool; F02: Cotton and viscose; F03:…
Qualité de l'eau — Dosage du chlore libre et du chlore total — Partie 2: Méthode colorimétrique...
La présente partie de l'ISO 7393 spécifie une méthode pour le dosage du chlore libre et du chlore total dans l'eau, aisément applicable sur le terrain d'essai; elle est basée sur le mesurage de l'intensité de la couleur par comparaison visuelle de la couleur avec une échelle d'étalons régulièrement vérifiée par étalonnage.L'eau de mer et les eaux contenant des…