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Halogen

Halogen

(Science: chemistry) An electronegative element or radical, which, by combination with a metal, forms a haloid salt; especially, chlorine, bromine, and iodine; sometimes, also, fluorine and cyanogen. See chlorine family, under chlorine.

Origin: gr. als, alos, salt _ -gen: cf. F. Halogene.


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Egg Yolk Coacervates & pH Imaging

... 1600x shown next to large bubble in upper left zooming out to show some 3D. http://www.youtube.com/watch?v=iA1OGYo-Syc I now have a very blue halogen auto headlamp under an older Swift microscope with mirror removed to adjustable lens/iris through stage then AO 40x darkfield objective straight ...

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by GaryGaulin
Tue Mar 03, 2009 3:02 pm
 
Forum: General Discussion
Topic: Egg Yolk Coacervates & pH Imaging
Replies: 0
Views: 3749

The Fiber Disease

... sample was placed in a cuvette (3 ml) in the fluorometer optical compartment. An actinic light pulse (500 μE/m2/sec) from the fluorometer's halogen lamp illuminated the sample for 10 seconds and fluorescence induction curves were recorded. Eight minutes after the initial measurement (control ...

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by London
Wed Aug 16, 2006 4:40 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5412402

microb problems

in the last question: iodine is not a metal --> it's a halogen and is used as a desinfectant. ok, thanx. how about the rest of the questions?

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by kabuto
Mon Apr 17, 2006 3:25 am
 
Forum: Microbiology
Topic: microb problems
Replies: 4
Views: 3222

microb problems

in the last question: iodine is not a metal --> it's a halogen and is used as a desinfectant.

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by sdekivit
Sun Apr 16, 2006 8:34 pm
 
Forum: Microbiology
Topic: microb problems
Replies: 4
Views: 3222

The Wonders in a Small World

... @ f/2.8 ISO 100 EV +0.3 Zeiss Axiostar Plus Routine transmitted light microscope. 2.5X Zeiss A-Plan Objective, 25X Duel Pipe Fiber Optic, Cold Halogen illumination Second Image: Sony DSC P200 @ 7mgp (STD) Program, focus @ infinity 1/30 sec. @ f/2.8 ISO 100 EV +0.3 Zeiss Axiostar Plus Routine ...

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by Ken Ramos
Thu Feb 16, 2006 2:57 am
 
Forum: Zoology Discussion
Topic: The Wonders in a Small World
Replies: 11
Views: 4577
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