boiling chip
boiling stone

Small pieces of aluminium oxide are often used as boiling chips in chemistry.

Add a few boiling chips to the beaker.

Boiling chips should be added, the flask stoppered, then connected to the house vacuum line.

Boiling chips such as carborundum granules or glass beads.

Boiling chips should be omitted from the flask.

Boiling chips are frequently employed in distillation and heating.

Fear not if you have everything secured well and if you have added your boiling chips.

This ensures that the boiling chips will provide effective nucleation sites, yet are chemically inert.

Boiling chips work by providing nucleation sites so the liquid boils smoothly without becoming superheated or bumping.

Boiling chips should not be added to liquid that is already near its boiling point, as this could also induce flash boiling.

The structure of boiling chips traps liquid while in use, meaning that they cannot be re-used in laboratory setups.

We often think of social media as a powder keg, but in the N.F.L. labor dispute, it may be acting more like a boiling chip.

Boiling chips alone may not prevent bumping and for this reason it is advisable to boil liquids in a boiling tube.

Often the rate of one process needs to be accelerated by catalysis, a familiar example being the addition of boiling chips to a liquid being distilled.

A boiling chip, boiling stone, or anti-bumping granule is a tiny, unevenly shaped piece of substance added to liquids to make them boil more calmly.

The usual colour of dyeing was red and this was performed with an alkaline liquor made by boiling chips of a dye wood, 'fernambuk.

Nucleation often occurs more easily at a pre-existing interface (heterogeneous nucleation), as happens on boiling chips and string used to make rock candy.

Boiling chips, medicine droppers, thermometers, ring stands, burette, test tubes, sample to analyze, test chemicals (exact chemicals depend on the unknown).

Boiling chips are added in distilling flasks for distillations or boiling chemical reactions to allow a nucleation site for gradual boiling.

But her most memorable small screen moment is probably from Spooks, when her character was brutally murdered by being plunged face-first into a vat of boiling chip fat.

The liquid to be distilled is placed into a small reaction tube along with a boiling chip and heated to reflux one-half to two-thirds of the way up the inside of the tube.

Boiling chips are typically made of a porous material, such as alumina, calcium carbonate, calcium sulfate, porcelain or carbon, and often have a nonreactive coating of PTFE.

Add 100 mL of 5N NaOH, 2 g of Ba(OH)2@8H2O, one or two small boiling chips, and connect the round bottom flask to a distillation apparatus fitted with a vertically mounted Graham condenser.

Robin and the Seven Fume Hoods Ah, and an old favourite of mine Goodbye, Mr Boiling Chips starring Robert "Dumbell-in-a-"Donat and Ester Williams (or am I thinking of Kipp's Apparatus based on the book by Hg Wells?).

Disconnect the concentrator tube from the K-D flask, add a fresh boiling chip, and continue concentration of the extract to 1 mL using a micro Snyder column - do not concentrate to less than 0.8 mL (Note 6) . Remove the apparatus from the water bath and cool to ambient temperature.

Remember to add boiling stones to a liquid which will be heated.

Fill the condenser with water and add boiling stones, before you turn on the heat.

Add boiling stones to the 50-mL round bottom flask before heating.

In Russia, meanwhile, where chess is a spectator sport, they're boiling stones for soup.

How many boiling stones should I use?

Be sure to add boiling stones to the 25 mL round bottom flask when refluxing.

To boil a liquid without an explosive effusion of the liquid, chemists use a rough-surfaced object, a boiling stone, to encourage cavitation.

He added boiling stones, then inserted the condenser in the mouth of the round-bottom flask, clamping it in place vertically at its upper 14/20 joint.

A boiling chip, boiling stone, or anti-bumping granule is a tiny, unevenly shaped piece of substance added to liquids to make them boil more calmly.

He used standard taper ware, clamping the neck of a 50 mL round-bottom flask in place with a universal clamp and adding boiling stones to it.

Cooking pots could be placed directly on an open fire, whereas before, boiling stones had to be heated in the fire then placed in a bark, wood or skin container.

Other quadrants explore different aspects of Tsimshian life which were discovered in the original dig, such as burial and medical practices, the use of boiling stones in the preparation of food, and the importance of sweat lodges.