摘要 |
<p>An apparatus comprises a conduit member extending from a first source (5) of a carrier gas and from a second source of an odorant (4) to a conduit system (1) for a gas. The conduit member is configured in such a manner that the odorant is added to the carrier gas which subsequently is supplied to the conduit system (1). Furthermore, the apparatus comprises a buffer container (10) for storing the mixture of odorant and carrier gas, and means arranged to vaporize the odorant so that it will be in a gaseous state in the buffer container (10).</p> |