#161300
(j) sulfáit sóidiam ainhidriúil;
(f) anhydrous sodium sulphate;
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#161327
Faoi dheireadh cuirtear beagán de shulfáit sóidiam ainhidriúil leis agus craitear an meascán.
Finally a little anhydrous sodium sulphate is added and the mixture is shaken.
#162014
Scinceáil an tuaslagán noirbicsine glan agus triomaigh le sulfáit shóidiam ainhidriúil.
Decant the clear norbixin solution and dry with anhydrous sodium sulphate.
#161896
Mar chríoch, scag an clóraform trí phaipéar scagtha tirim, croith an scagáit go maith ar feadh 5 nóiméad le 5g de shulfáit sóidiam ainhidriúil púdaraithe, fág an meascán ar feadh 2 uair a chloig agus scinceáil an clóraform glan nó scag é. Croith 25 mg ribeaflaivine le 10 ml den chlóraform saor o eatánól ar feadh 5 nóiméad agus scag.
Finally, filter the cholroform through dry filter paper, shake the filtrate well for 5 minutes with 5g of powdered anhydrous sodium sulphate, leave the mixture to stand for 2 hours and decant or filter the clear chloroform. Shake 25 mg of riboflavin with 10 ml of the ethanol-free cholorform for 5 minutes and filter.