STN EN ISO 20705
| Označenie: | STN EN ISO 20705 |
| Platnosť: | Platná |
| Počet strán: | 28 |
| Jazyk: |
EN
|
| Listinná verzia: | 14,10€ |
| Elektronická verzia: |
a) Bez možnosti tlače, prenosu textu a obrázkov:
12,69€ b) Bez možnosti tlače, s prenosom textu a obrázkov: 14,10€ c) S možnosťou tlače, prenosu textu a obrázkov: 18,33€ |
| Slovenský názov: | Textílie. Kvantitatívna mikroskopická analýza. Všeobecné princípy skúšok (ISO 20705: 2019) |
| Anglický názov: | Textiles - Quantitative microscopical analysis - General principles of testing (ISO 20705:2019) |
| Dátum vydania: | 01. 04. 2020 |
| Dátum zrušenia: | |
| ICS: | 59.060.01 |
| Triediaci znak: | 80 8935 |
| Úroveň zapracovania: | idt EN ISO 20705:2020, idt ISO 20705:2019 |
| Vestník: | 03/20 |
| Zmeny: | |
| Nahradzujúce normy: | |
| Nahradené normy: | |
| Poznámka vo Vestníku: | |
| Predmet normy: | This document specifies common methods for the quantitative microscopical analysis of various mixtures of fibres. The methods described are based on the use of a light microscope (LM) or a scanning electronic microscope (SEM), on the measurements of the fibre apparent diameter (preparation of longitudinal views) or on the measurements of fibre section area (preparation of cross views), depending on the section shape of the fibres. NOTE 1 When the section shape is circular or almost circular, the longitudinal views are appropriate. For the other section shapes, the cross views are adequate and Annex A lists conventional density of fibres to be used for the calculation of the mass percentage of the components. Pictures of section shapes of fibres can be found in ISO/TR 11827. NOTE 2 Annex B presents statistical data on fibre diameter measurements (longitudinal view) and on fibre area measurements (cross view). |
| Náhľad normy: | Náhľad normy (PDF) |