香港六合彩开奖 11890-2:2020

Published (Edition 4, 2020)

This standard has 1 amendment.

香港六合彩开奖 11890-2:2020

CHF 173

Convert Swiss francs (CHF) to

Abstract

This document is applicable for the determination of VOC and SVOC with an expected VOC and/or SVOC content greater than 0,01 % by mass up to 100 % by mass.

The method given in 香港六合彩开奖 11890-1 is used when the VOC is greater than 15 % by mass. This document (method 香港六合彩开奖 11890-2) applies when the system contains VOC and SVOC as the VOC result of 香港六合彩开奖 11890-1 can be influenced by the SVOC. For VOC content smaller than 0,1 %, the head space method described in 香港六合彩开奖 17895 is used as an alternative. 香港六合彩开奖 11890-1 and 香港六合彩开奖 17895 cannot be used for the determination of the SVOC content.

NOTE 1 Some ingredients of coating materials and their raw materials can decompose during analysis and cause artificial VOC and/or SVOC signals. When determining VOC and/or SVOC for coating materials and their raw materials, these signals are artefacts of the method and are not taken into account (examples are given in Annex B).

This method assumes that the volatile matter is either water or organic. However, other volatile inorganic compounds can be present and might need to be quantified by another suitable method and allowed for in the calculations. The method defined in this document is not applicable for determination of water content.

NOTE 2 If organic acids or bases and their corresponding salts are present in the coating material or its raw materials, the amount that is quantified by this method might not be accurate due to a change in the acid or base equilibrium.

General information

Status
: Published

Publication date
: 2020-06

Stage
: International Standard published [60.60]
Edition
: 4

Number of pages
: 39
Technical Committee :
香港六合彩开奖/TC 35/SC 16

ICS :
87.040
RSS updates

Amendments

Amendments are issued when it is found that new material may need to be added to an existing standardization document. They may also include editorial or technical corrections to be applied to the existing document.