#504548
Fág an fleascán ar feadh 15 nóiméad ag teocht an tseomra agus croith go tráthrialta é.
Stand the flask for 15 minutes at room temperature, shaking it at intervals.
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#504838
Dabhach uisce chreatha nó fearas eile chun an fleascán a chroitheadh agus a choimeád ag teocht 90 ± 2 °C.
Shaking water bath or other apparatus to shake and maintain the flask at 90 ± 2 °C.
#504844
Coimeád an fleascán i ndabhach uisce chreatha ag teocht 90 ± 2 °C ar feadh uair an chloig, á chroitheadh go láidir.
Maintain the flask in a shaking water bath at 90 ± 2 °C for 1 hour, shaking it vigorously.
#3234143
Dabhach ultrasonach (nó dabhach chreathach uisce) ag a bhfuil rialú teochta.
Ultrasonic bath (or shaking water-bath) with temperature control.
#161339
Úsctar an défheinil tríd an nglóthach shilice a mheascadh le 10 ml d'eatánól agus a chraitheadh roinnt mhaith uaireanta i gcaitheamh tréimhse 10 nóiméad.
The biphenyl is extracted by mixing the silica gel with 10 ml. of ethanol and shaking several times over a period of 10 minutes.
#162023
fuaidrigh 5 g de dhéocsaíd tíotáiniam I 100 ml d’aigéad hidreaclórach 0.5N agus téigh ar feadh 30 nóiméad ar fholcadán uisce, á chroitheadh ó am go ham.
Suspend 5 g of titanium dioxide in 100 ml of 0.5N hydrochloric acid and heat for 30 minutes on a water bath, shaking occasionally.
#504522
Coimeád an fleascán agus a bhfuil ann ag teocht thairiseach 40 °C ar feadh 2 uair an chloig go leith; croith é uair amháin gach uair an chloig.
Keep the flask and its contents at a constant temperature of 40 °C for 2,5 hours, shaking the flask at hourly intervals.
#504570
Cuir na snáithíní isteach i bhfleascán, sruthlaigh in eatánól agus tar éis é a chroitheadh de láimh, scinceáil tríd an scagbhreogán.
Transfer the fibres into a flask, rinse with ethanol and after shaking manually decant through the filter crucible.
#504605
Coimeád an fleascán ag 50 ± 5 °C ar feadh uair an chloig, croith é go tráthrialta tuairim is gach 10 nóiméad.
Maintain the flask at 50 ± 5 °C for 1 hour, shaking it at regular intervals of approximately 10 minutes.
#504628
Cuir 60 ml eile de dhémheitiolformaimíd isteach sa fhleascán agus téigh ar feadh 30 nóiméad eile agus lena linn sin croith de láimh an fleascán agus a bhfuil ann go séimh faoi dhó.
Add a further 60 ml of dimethylformamide to the flask and heat for a further 30 minutes, shaking the flask and contents gently by hand twice during this period.
#2455843
Tuaslagán lugóil (tuaslaig 2 g iaidíd photaisiam in uisce 100 ml agus cuir 1 g iaidín leis sin agus tú á chroitheadh san am céanna go minic).
Lugol solution (dissolve 2 g potassium iodide in 100 ml water and add 1 g iodine while frequently shaking).
#3233112
Tum an fleascán i ndabhach uisce fiuchaidh, á chroitheadh le teann nirt agus go seasta ar feadh na chéad 3 nóiméad ionas nach gcruthófar ceirtleáin.
Immerse the flask in a boiling water bath shaking vigorously and steadily for the first three minutes to prevent the formation of agglomerates.
#504584
Cuir 100 ml déchlóraimeatáin in aghaidh gach graim den eiseamal tástála leis an eiseamal tástála atá i bhfleascán cónúil a bhfuil toilleadh 200 ml ann, cuir an stopallán ann, croith an fleascán chun an t-eiseamal tástála a fhliuchadh go hiomlán agus fág ar feadh 30 nóiméad ag teocht an tseomra é; croith an fleascán gach 10 nóiméad.
To the test specimen contained in the 200 ml glass-stoppered conical flask, add 100 ml of dichloromethane per gram of the test specimen, insert the stopper, shake the flask to wet out the test specimen and stand for 30 minutes at room temperature, shaking the flask every 10 minutes.
#3233413
Nigh na heastóscáin chomhcheangailte sa tonnadóir deighilte faoi dhó trína suaitheadh go réidh (ionas nach gcruthófar eibleachtaí) le codanna 100 ml d’uisce agus ansin trína gcroitheadh arís agus arís eile le codanna breise 100 ml d’uisce go dtí go bhfanfaidh an t-uisce gan dath nuair a chuirfear tuaslagán feanóltailéine leis (pointe 3.7) (is leordhóthanach de ghnáth iad a ní ceithre huaire).
Wash the combined extracts in the separating funnel twice by gently swirling (to avoid formation of emulsions) with 100 ml portions of water and then by repeated shaking with further 100 ml portions of water until the water remains colourless on addition of phenolphthalein solution (point 3.7) (washing four times is usually sufficient).