Wyszukano: tetrahydroboran sodu

Opis: Safe drinking water is vitally important to health. Both pathogenic and harmless bacteria can be found in the guts of mammals and birds. Testing water for every possible type of pathogenic bacteria is slow and costly. Thus, water is tested for a characteristic type of gut bacteria - the coliforms - including the familiar <i>E. coli</i>. Presence of coliforms is an indicator for faecal contamination. In this experiment, students test for coliforms in simulated contaminated water using colour and fluorescent reagents. They can use these same reagents to test water samples from the environment. As an extension activity, a Gram Stain test can be performed on the collected samples.

Numer katalogowy: EDVO951

j.m.: 1 * 1 KIT

Producent: EDVOTEK

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Opis: With this kit, students sample water and air and then grow any microbes present overnight. A safe and simple way to teach pollution.

Numer katalogowy: EDVOS-30

j.m.: 1 * 1 SZT

Producent: EDVOTEK

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Opis: Oil spills cause devastation to the environment, killing sea life, birds, and coastal plants. Spraying areas of contamination with oil-eating microbes accelerates the degradation of the oil. This process is known as bioremediation. In this open-ended experiment, students grow a mixture of oil-eating bacteria and observe their effectiveness at degrading a variety of oils.

Numer katalogowy: EDVO956

j.m.: 1 * 1 KIT

Producent: EDVOTEK

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