#161338
Déantar an ciseal de ghlóthach shilice atá laistigh de na limistéir a marcáladh amhlaidh a scríobadh ón bpláta le spadal.
The entire layer of silica gel within the areas thus marked off is immediately scraped from the plate with a spatula.
Scag na torthaí
Bailiúcháin
5 thoradh in 3 dhoiciméad
#2455888
Trí spúnóg bheag nó spadal a úsáid, aistreofar leath na n-eisíontas sinceáilte go sleamhnáin micreascóp chun scrúdú a dhéanamh orthu.
By using a small spoon or a spatula, one half of the decanted impurities shall be transferred to microscopic slides for examination.
#3232558
Cuir an fleascán/buidéal i ndabhach oighearuisce agus fuaraigh go dtí 0 °C é, cuir 5 ml de mheascán ocsaídiúcháin leis (pointe 3.23) agus measc é le spadal gloine a bhfuil barr lúbtha air.
Place the flask/bottle in an ice-water bath and cool to 0 °C, add 5 ml of oxidation mixture (point 3.23) and mix using a glass spatula with a bent tip.
#3232559
Déan an fleascán/buidéal ina bhfuil an spadal a shéalú le sceo aer-obach, cuir an dabhach oighearuisce ina bhfuil an coimeádán séalaithe i gcuisneoir ag 0 °C agus fág ar feadh 16 uair an chloig í.
Seal the flask/bottle containing the spatula with an air-tight film, place the ice-water bath containing the sealed container in a refrigerator at 0 °C and leave for 16 hours.
#3232564
Leis an sampla ocsaídithe arna ullmhú de réir 5.3.1, cuir 25 ml de mheascán hidrealaithe (pointe 3.20) agus aire á tabhairt go nitear síos aon iarmhar sampla a bheadh greamaithe de thaobhanna an tsoithigh agus den spadal.
To the oxidised sample prepared according to point 5.3.1 add 25 ml of hydrolysis mixture (point 3.20) taking care to wash down any sample residue adhering to the sides of the vessel and the spatula.