7021 Water analysis kit

11 feasible experiments.

Topics

• Water cycle; rain and rain gauge
• Drinking water and its distribution;
• Water pollution
• Biodegradable waste
• The detection of ammonia
• The detection of nitrites
• The detection of sulfates
• The detection of surfactants
• Biological indicators
• Water acidity
• Use of the universal indicator
• Use of the pH meter
• Acid rain

Equipment supplied

1 Beaker, 250 ml
1 Pencil dropper
1 Magnifying glass 7x
1 Funnel
1 Plastic stirrer
1 Water collector
1 Graduated cylinder 100 ml
2 Syringes with tube
1 pH indicator, pH 1-10
3 Solution of known pH
1 pH meter for soil
5 Petri dishes
5 Test-tubes with plug
1 Bottle of methylene blue
1 Bottle of sodium hydrate
1 Bottle of Griess reagent
1 Bottle of Nessler reagent
1 Bottle chloride acid, 10% sol.
1 Bottle of chloroform
1 Bottle of barium chloride, 10% sol.
1 Case