prEN 14823
Medienos ir medienos gaminių biologinis ilgaamžiškumas. Pentachlorfenolio kiekio medienoje kiekybinis nustatymas. Dujų chromatografijos metodas
Standarto projektas Viešoji apklausaProjekto etapai
1. Decision on WI Proposal
2. Projektas
3. Viešoji apklausa
Nuo 2025-11-14
iki 2026-01-13
4. Closure of enquiry
5. Submission to Formal Vote
Organizacija
CEN Europos standartizacijos komitetasTechnikos komitetas
TK 17 MedienaUžsienio technikos komitetas
CEN/TC 38Komentarų skaičius
0Komentavimo pradžia
2025-11-14Taikymo sritis
This document specifies a laboratory method of determining the pentachlorophenol content of wood. The method is applicable to all types of pentachlorophenol (PCP) in woods and wood- based materials as well as for the analysis of waste timber with respect to its pentachlorophenol (PCP) content. The method described has a measurement range from 250 μg/kg up to pentachlorophenol (PCP) contents of 5 mg/kg of dry matter. These figures refer to the given example (where an aliquot of 1 ml of the extract is used for acetylation, see 9.4). NOTE 1 If lower quantification limits are required, a higher volume of extract aliquot can be used for derivatisation. NOTE 2 This method could have some modifications with some wood species as hardwoods. In general, in the case of complex matrix, a method using mass spectrometry is used.Ryšiai
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