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Technical data

The effects of acids on indicators

Item No. P7157300
Principle

Indicators are dyes that indicate by a color change the presence of acids. A large number of vegetable colorants, which act as indicators, can be found. In this experiment students examine the effect of different acids on different natural substances (for example flower pigments).

 

Learning objectives

  •  Reaction of pH indicator and acids

 

Benefits

  • Easy teaching and efficient learning by using interactive experimentation PHYWE-Software
  • Experiment is part of a complete solution set with experiments for the topic acids, alkalis and salts matched with international curriculum: all topics are covered

 

Scope of supply

Wash bottle, 250 ml, plastic 33930-00 1
Test tube rack, wood, for 6 tubes d= 22mm MAU-20042200 1
Protecting glasses, clear glass 39316-00 1
Test tube brush w. wool tip,d20mm 38762-00 1
Laboratory pen, waterproof, black 38711-00 1
Pipette with rubber bulb, long 64821-00 1
Pipette with rubber bulb 64701-00 3
Test tube, laboratory glass, various lengths, 100 pcs. 37658-10 1
Hydrochloric acid 37 %, 1000 ml 30214-70 1
Sulphuric acid, 95-97%, 500 ml 30219-50 1
Acetic acid 99...100%, 500 ml 31301-50 1
 
PHYWE Systeme GmbH & Co. KG
Robert-Bosch-Breite 10 – 37079 Göttingen – Germany
www.phywe.com
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