Posted on May 15, 2019May 18, 2019 by Pulse AssentISO/TS 22491:2019 Water pipe tobacco. Determination of carbon monoxide in the vapour phase of water pipe tobacco smoke. NDIR method Link: ISO/TS 22491:2019 Water pipe tobacco. Determination of carbon monoxide in the vapour phase of water pipe tobacco smoke. NDIR method Source: BSI Standards Related Posts:£80 million boost to help UK businesses tackle…One-stop-shop to help businesses save money and go greenPrime Minister announces record climate aid…New multi-million pound Programme helps British SMEs…Landmark post-Brexit trade deals to come into force…