- Ceimic Chemistry
#6431
- oxygen
- en
Ní mór luaith-dhéanamh a chur i gcrích i bhfoirnéis dhúnta, saor ó aon instealladh aeir ná ocsaigine.
Ashing must be carried out in a closed furnace without injection of air or oxygen.
Ní mór luaith-dhéanamh a chur i gcrích i bhfoirnéis dhúnta, saor ó aon instealladh aeir ná ocsaigine.
Ashing must be carried out in a closed furnace without injection of air or oxygen.
Áiritheoidh maoirseoir tumadóireachta in aon oibríochtaí tumadóireachta a mbeidh baint aige leo, nach n-úsáidfear aon ghléas anailísithe ocsaigine mura ndéanfar athchalaibriú air de réir threoracha an mhonaróra tráth nach déanaí ná ceithre huaire is fiche roimh an úsáid sin.
A diving supervisor shall secure that in any diving operations with which he is concerned no oxygen analyser is used unless, not more than twenty-four hours before being so used, it has been recalibrated in accordance with the manufacturer's instructions.