BS EN 61290-3-1 guides you with the calibration process of optical bandwidth
Centrifuge manufacturer’s recommendations should be followed when the tubes identified in BS 6898 are used in fixed angle headed centrifuges
the standardized properties are classified into definition classes forming a so-called standardized “reference hierarchy”
This section has two sub-parts
Textiles. Quantitative chemical analysis - Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates with certain other fibres (method using cyclohexanone) PAS 015 BS EN 61290-3-1 guides youWhat is ISO 1833 21 Quantitative chemical analysis about? ISO 1833 21 is the 21st part of the multi series ISO 1833. ISO 1833 21 specifies a method, using cyclohexanone, to determine the mass percentage of chlorofibre, modacrylic, elastane, acetate, and triacetate, after removal of non fibrous matter, in textiles made of mixtures of acetate, triacetate, chlorofibre, certain modacrylics, certain elastanes with wool, animal hair, silk, cotton, cupro,