impurities

Raise the heat to high and cook the liquid until reduced by about half, about 20 minutes, occasionally skimming any impurities from the surface.

Recipe: How to Cook Braised Rabbit 2009

Whether we weigh the elements in their uncombined state or weigh them in the form of some compound of known composition, we must be very sure that conditions are such as to make possible the exclusion of all complicating impurities from the scale pan.

Theodore W. Richards - Nobel Lecture 1966

Make sure to wash off as much of the "impurities" - icky foamy stuff - as possible.

A Winter Broth with Frills, and a Silly, Pointless Contest Lindy 2007

Make sure to wash off as much of the "impurities" -icky foamy stuff- as possible.

Soup of the Evening Lindy 2009

Make sure to wash off as much of the "impurities" - icky foamy stuff - as possible.

Toast: Lindy 2007

The masseuse then rubbed a cold cream over the face, which also acted as a bleach to remove impurities from the skin’s surface.

On How to Be Lovely | Edwardian Promenade 2010

The word that refers to the action of skimming off the impurities is the same word used here in James 1:3, which is translated “testing.”

ONE GREAT TRUTH JONATHAN FALWELL 2008

Even after taking all possible precautions to finely comminute these substances by mechanical means, still only imperfect results are obtained, for the impurities, that is to say, the sand, can never be so intimately mixed with the lighter particles that a sample of 0.5 to

Scientific American Supplement, No. 315, January 14, 1882 Various

Following them, there comes, for American uses, the process of refining, of removing the so-called impurities and foreign substances, and the final production of sugar in the shape of white crystals of different size, of sugar as powdered, cube, loaf, or other form.

Cuba, Old and New 1893

Surely, because the sun shines down upon dunghills and all impurities, that is no reason why it should not lie with special brightness on the polished mirror that reflects its lustre.

Expositions of Holy Scripture St. John Chapters I to XIV Alexander Maclaren 1868