17:
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Upon exposure to concentrated oxygen gas, the glowing ember flares, and re-ignites to produce a sustained flame. The more concentrated the oxygen, the faster the wood burns, and the more intense the flame. This test is not specific for oxygen, but will react similarly for any oxidising gas (such as
80:
are hard to distinguish by sight or smell alone. For example, hydrogen, oxygen and nitrogen are all colourless and odourless. Several laboratory experiments are capable of producing relatively pure gas as an end product, and it may be useful to demonstrate the chemical identity of that gas. Burning
96:
These tests are not safe for completely unidentified gases, as the energy of their explosion could be beyond the safe confinement of a fragile glass tube. This means that they are really only useful as a demonstration of a gas that is already strongly suspected, and so is known to be safe. In a
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40:. Splints are typically long, thin strips of wood, about 6 inches (15 cm) long and ÂĽ inch (6 mm) wide, and are consumable but inexpensive. They are typically used for tasks such as lighting
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132:, which results with a distinctive 'squeaky pop' sound. Hydrogen is easily ignited and used to definitively conclude what the gas actually is. Further
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44:, as the length of the splint allows a flame to be lit without risk to the user's hand, should the burner flare back. Another use for splints are
1271:
72:
Glowing splint test: the first flask contains air, the second flask contains oxygen, the third flask contains an inert gas, such as nitrogen
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183:. In this test, a splint is lit, allowed to burn for a few seconds, then blown out by mouth or by shaking. Whilst the
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A splint is lit and held near the opening of the tube, then the stopper is removed to expose the splint to the gas.
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at the tip is still glowing hot, the splint is introduced to the gas sample that has been trapped in a vessel.
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52:, and splints are also used to teach simple chemical principles in schools and homes.
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When the stopcock is opened, oxygen gas rushes out, and ignites the glowing splint.
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chemistry class, a typical use would be to show the presence of hydrogen (after
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A glowing splint is held above a glass tube, in which oxygen gas is trapped.
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splints or glowing splints can be used to identify whether a gas is
128:, the mixture ignites. This test is most commonly used to identify
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The glowing splint test is a test for an oxidising gas, such as
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49:
136:
techniques can clarify the identity of the gas in question.
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229:Emil Slowinski; Wayne Wolsey; Robert Rossi (2011).
287:Anne Powling; John O'Connor; Geoff Barton (1995).
195:) that supports the combustion of the splint.
421:
8:
1381:Nuclear magnetic resonance (NMR) instrument
312:
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291:. Barron's Educational Series. p. 39.
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36:) is a simple piece of equipment used in
1746:Instruments used in medical laboratories
173:Testing for oxygen with a glowing splint
15:
1262:Inductively coupled plasma (ICP) device
221:
1310:Transmission electron microscope (TEM)
346:. NC State University. Archived from
344:"Production of Oxygen - Experiment 7"
289:New Oxford English: Student's, Book 1
233:Chemical Principles in the Laboratory
7:
385:Relight of glowing splint by oxygen
317:John S. Holman; Phil Stone (2001).
1305:Scanning electron microscope (SEM)
396:Nitrous oxide and a glowing splint
14:
1350:Thermogravimetric analyzer (TGA)
1160:Nuclear magnetic resonance (NMR)
160:
148:
117:Burning (or lighted) splint test
321:. Nelson Thornes. p. 26.
266:. Evans Brothers. p. 44.
56:Use in chemical identification
1:
237:. Cengage Learning. p.
20:A box of cylindrical splints
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1611:
1594:
1583:
1505:Time-domain reflectometer
1415:
1402:
1272:Liquid chromatograph (LC)
1235:
1222:
895:
882:
454:
443:
374:Testing for Hydrogen Gas
1340:Melting-point apparatus
721:Cryogenic storage dewar
46:chemical identification
38:scientific laboratories
1277:Mass spectrometer (MS)
1267:Gas chromatograph (GC)
262:Denise Walker (2007).
73:
21:
1652:Acid-resistant gloves
1333:differential scanning
103:electrolysis of water
71:
19:
1765:Laboratory equipment
1229:Analytical chemistry
731:Laminar flow cabinet
437:Laboratory equipment
134:analytical chemistry
1601:Personal protective
510:Meker–Fisher burner
342:The Science House.
140:Glowing splint test
105:, or by reacting a
89:, or whether it is
1444:Function generator
1427:Bench power supply
1366:Analytical balance
1127:Ostwald viscometer
1122:Graduated cylinder
861:Inoculation needle
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22:
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1738:
1735:
1734:
1712:Fire extinguisher
1702:Biosafety cabinet
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1574:
1510:Transistor tester
1500:Spectrum analyzer
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1090:Measuring devices
912:Soxhlet extractor
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877:
874:
873:
826:Spectrophotometer
821:Pipeclay triangle
573:Mortar and pestle
264:Acids and Alkalis
69:
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1596:
1585:
1490:Network analyzer
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866:Inoculation loop
736:Microtiter plate
676:Test tube holder
568:Magnetic stirrer
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350:on 9 August 2013
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91:chemically inert
85:, whether it is
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1727:Solvent cabinet
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1657:Eyewash station
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1605:
1603:equipment (PPE)
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1454:Pulse generator
1420:Control devices
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1320:Thermochemistry
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1102:Conical measure
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851:Test tube brush
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746:Picotiter plate
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691:Lab drying rack
650:Extension clamp
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1722:Safety cabinet
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1682:Safety goggles
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1677:Safety glasses
1674:
1672:Nitrile gloves
1669:
1667:Medical gloves
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1562:Alligator clip
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1536:Soldering iron
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1480:Logic analyzer
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1437:Voltage source
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1371:Colony counter
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1010:Vacuum (Dewar)
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475:Alcohol burner
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367:External links
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782:Balance brush
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758:Weighing dish
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755:Weighing boat
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51:
47:
43:
39:
35:
31:
27:
18:
1707:Fire blanket
1645:Eye and hand
1631:Rubber apron
1495:Oscilloscope
1459:Potentiostat
1386:Plate reader
1282:pH indicator
1252:CHN analyzer
1247:AutoAnalyzer
1040:Round-bottom
933:Boston round
830:
796:Filter paper
751:Refrigerator
668:Retort stand
636:Clamp holder
632:Beaker clamp
598:Vortex mixer
593:Stirring rod
588:Static mixer
518:Teclu burner
352:. Retrieved
348:the original
337:
318:
288:
282:
263:
257:
232:
224:
189:
178:
123:
120:
95:
75:
33:
29:
25:
23:
1695:Other items
1621:Face shield
1468:Measurement
1449:Galvanostat
1409:Electronics
1359:Other items
1345:Thermometer
1328:Calorimeter
1257:Colorimeter
1201:Gas syringe
1184:Other items
1112:Eye dropper
987:Watch glass
972:Evaporating
951:Cold finger
766:Other items
672:Screw clamp
664:Pinch clamp
653:Flask clamp
603:Wash bottle
558:Homogenizer
99:high school
48:of various
1626:Respirator
1567:Test probe
1485:Multimeter
1297:Microscopy
1117:Eudiometer
1081:Separatory
1050:Volumetric
1015:Erlenmeyer
943:Condensers
907:Dean–Stark
856:Wire brush
816:Microscope
811:Centrifuge
786:Cork borer
741:Petri dish
716:Agar plate
703:Containers
686:Wire gauze
523:Water bath
485:Desiccator
328:0748762396
298:0198311907
216:References
210:Spill vase
205:Flame test
1717:Fume hood
1662:Glove box
1515:Voltmeter
900:Apparatus
889:Glassware
778:Autoclave
773:Aspirator
726:Incubator
660:Iron ring
583:Sonicator
553:Chemostat
495:Hot plate
354:7 October
319:Chemistry
126:flammable
87:oxidising
83:flammable
1759:Category
1616:Lab coat
1541:Tweezers
1531:Heat gun
1287:pH meter
1196:Bell jar
1076:Dropping
1030:Florence
1020:Fernbach
982:Syracuse
841:Scoopula
791:Crucible
500:Lab oven
199:See also
130:hydrogen
109:with an
34:splinter
1555:General
1475:Ammeter
1175:Thistle
1132:Pipette
1107:Cuvette
1097:Burette
1066:BĂĽchner
1059:Funnels
1045:Schlenk
1025:Fleaker
1005:BĂĽchner
926:Bottles
846:Spatula
836:Stopper
806:Forceps
706:Storage
623:Holders
543:Shakers
514:Striker
462:Heaters
449:General
401:YouTube
390:YouTube
379:YouTube
1589:Safety
1191:Beaker
1170:Thiele
1155:Cragie
1150:Drying
1071:Hirsch
1035:Retort
997:Flasks
965:Dishes
956:Liebig
917:Kipp's
831:Splint
641:Tripod
619:Clamps
615:Stands
578:Shaker
540:Mixers
465:Dryers
325:
295:
270:
245:
181:oxygen
26:splint
1524:Tools
1142:Tubes
977:Petri
185:ember
107:metal
78:gases
76:Some
50:gases
30:spill
1206:Vial
1165:Test
801:File
505:Kiln
356:2014
323:ISBN
293:ISBN
268:ISBN
243:ISBN
111:acid
28:(or
399:on
388:on
377:on
239:133
113:).
32:or
1761::
307:^
241:.
93:.
24:A
429:e
422:t
415:v
358:.
331:.
301:.
276:.
251:.
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