The photochemical reaction

LC4.4.2.1
The photochemical reaction
The photochemical reaction

Description

One of the first photographic techniques was silver photography. In this process, silver halides are used because they undergo a photochemical reaction. They are reduced to elemental silver when exposed to visible light. In this experiment, the students investigate this property on different silver halides and thus learn how analogue photography works.

Components of equipment sets

1 667017  4 
Scissors 125 mm, round-ended LD
1 667057  4 
Test tube rack metal, 20 mm Ø LD
4 6659531  4 
Dropping pipette 150 mm x 7 mm Ø LD
4 6659541  8 
Dropper bulb LD
6 6640421  4 
Test tube Fiolax 16 mm x 160 mm LD
3 667253  4 
Rubber stopper solid, 14...18 mm Ø LD
1 664131  4 
Beaker Boro 3.3, 400 ml, squat LD
1 610010  8 
Laboratory safety goggles LD
1 667609  4 
Safety gloves, nitrile rubber, size 8 LD
1 661081  4 
Aluminium, foil, 1 roll LD
1 6735740  4 
Sodium chloride solution, approx. 1 M, 500 ml LD
1 6724930  4 
Potassium bromide solution, approx. 1 M, 250 ml LD
1 6726670  4 
Potassium iodide solution, approx. 1 M, 250 ml LD
GHS08 Danger H372
1 6748710  4 
Silver nitrate solution, 5 %, 100 ml LD
GHS05GHS09 Danger H314 H410
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