Biology

Water quality - contamination with heavy metals

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Product-No: P0990163

Quantitative fat determination in foodstuffs

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Product-No: P1257200

Congealing, melting and boiling point of fats

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Product-No: P1258800

Determination of the alcohol content of wine

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Product-No: P1259100

Table sugar made from sugar beets - determination of thesaccharose content in accordance with the lime regulation

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Product-No: P1261300

Conversion of fructose into glucose - enzymatic sugar deter-mination

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Product-No: P1261400

Fermentation of molasses to ethanol with yeast

Fermenters are used for thebiotechnological production of enzymesand other products using bacteria, yeastand cell cultures.For educational purposes a bubblebioreactor used in this experiment is amore convenient and ecomical alternativeto commercial fermenters.To demonstrate how fermenters work, ...

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Product-No: P1313600

Microbial synthesis of ethanol by Zymomonas mobilis subsp.mobilis

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Product-No: P1313700

Bacteria and mining - microbial extraction of ore by Thioba-cillus ferrooxidians and thiooxidans

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Product-No: P1313900

Comparison of the heat capacities of water and soil

To prepare comparison curves showing thedifferent heat capacities of water andof land.

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Product-No: P1350960

The Bergmann rule: heat loss as a function of the body sur-face area and volume

Illustration of the heat loss fordifferent relationships between volumeand body surface area, using a modelconsisting of different sized roundbottom flasks that are filled withwater.

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Product-No: P1351060

Transpiration of leaves

To prepare and analyse diagrams toillustrate the transpiration of plants,depending on different environmentalconditions, using a wireless dataacquisition system:Scope of delivery:- Wireless transmitter and receiverunits to connect to thepressure sensor and to a PC,can also be used for others sen ...

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Product-No: P1351260

Photosynthesis (O2 pressure measurement)

To compare the increase in oxygenpressure during photosynthesis in whitelight, green light and in the dark.

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Product-No: P1351360

Glycolysis (temperature measurement)

Investigating the temperature increase during the fermentation of sugar by yeastcells using a wireless and computerinterfacted data acquisition system.Scope of delivery:- Wireless transmitter and receiverunits to connect to thepressure sensor and to a PC,can also be used for others sensors tomea ...

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Product-No: P1351460

The enzymatic activity of catalase

To examine the enzymatic decompositionof hydrogen peroxide, a cell respiratorypoison, in the liver. To investigate theinfluence of temperature and pH on themetabolic activity.

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Product-No: P1360760