"Ward's Science"

Tris-Borate-EDTA Solution is premixed.

An excellent aquarium oxygenator, great for teaching respiration, photosynthesis, and plasmolysis.

Learn about light energy and light-emitting reactions called chemiluminescence.

Learn about cholesterol levels and how they can have a major impact on your health and your risk of heart disease.

CAS Number: 2437-29-8
Formula: C52H54N4O2
Density: 1 g/mL
Solubility: Water and Alcohol
Synonyms: Basic Green 4, C.I. No. 42000
Shelf Life: 36 Months

Prepared with TBE buffer, these gels are easy to use — simply melt them in a microwave oven or water bath then pour them into a casting tray. The non-reusable gels have a one-year shelf life and should be stored at room temperature.

CAS Number: 127-09-3
Formula: NaC2H3O2
Density: 1.53 g/mL
Freezing Point: 324°C
Solubility: Water and Alcohol
Synonyms: Acetic Acid Sodium Salt
Shelf Life: 12 Months

Tested to ensure ultra pure quality for molecular biology and sensitive analytical applications.

Investigate equilibrium and LeChatlier's principle through 4 different experiments.

Real world application of chemistry on natural water sources.

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Designed with Elementary Students in Mind!

CAS Number: 95-45-4
Formula Weight: 116.12
Formula: (CH3C:NOH)2
Hazard Info: Toxic
Freezing Point (°C): 235-240
Solubility: Alcohol and Ether
Synonyms: 2,3-Butanedione dioxime
Shelf Life (months): 36
Storage: Green

CAS Number: 14808-60-7
Formula: SiO2
Density: 2.65 g/mL
Boiling and Freezing Point: 2230°C, 1610°C
Solubility: Insoluble
Synonyms: Silicon Dioxide, Quartz, Crystalline Silica
Shelf Life: 36 Months

The activities in this kit focus on developing a better understanding of why periodic trends occur in the elements.

Includes 500 ml each of buffer solution pH 10, pH 4, and pH 7. Also includes 100 ml of electrode storage solution, KCl.