Salt Toxicity Kit – The Lab Stockroom

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Innovating Science | SKUIS9901

Salt Toxicity Kit

Compares sodium chloride, magnesium chloride, and calcium chloride effects on radish germination to estimate LD50 from dose-response data.

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Product Description

This kit provides materials for 8 groups to compare the effects of sodium chloride, magnesium chloride, and calcium chloride on radish seed germination under controlled conditions. Students generate concentration-response data for each salt and use the results to estimate the concentration associated with a 50% response, or LD50.

The kit includes premeasured sodium chloride, magnesium chloride, and calcium chloride QuickSolutions, radish seeds, germination trays with lids, pipettes, cups, and stir sticks. A Teacher's Manual and Study Guide copymaster support experimental setup, data collection, graphing, and interpretation.

Specifications

Group Size: 8 groups
Sodium Chloride QuickSolution: Makes 500 mL of 3% solution
Magnesium Chloride QuickSolution: Makes 500 mL of 3% solution
Calcium Chloride QuickSolution: Makes 500 mL of 3% solution
Radish Seeds: 20 g
Germination Trays with Lids: 48
Pipettes: 48
Cups, 5 oz.: 48
Stir Sticks: 32
Toothpicks: Included
Teacher's Manual: Included
Study Guide Copymaster: Included

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