"Ward's Science"
Navicula
Freshwater. Unicellular; pennate, with bilateral symmetry. Basic culture solution.
Characterized by shells (tests) made of silica, in two parts.
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Ward's® Live Bursaria truncatella Culture
Very large ciliate. Feeds on colpidium. Hay medium.
Characterized by cilia; nearly all possess two types of nuclei.
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Ward's® Physiology of the Circulatory System Lab Activity
View Daphnia Heart Rate Easily
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Innovating Science® Crystal Growing Kit
Learn about the formation of crystals and how they play a role in the rock cycle.
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Determination of the Nitrite and Nitrate Concentrations in Water
With this kit, students test water samples the same way analysts in the fields do.
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Gram Stain Chemical Set
Use these stains in the first step to identifying your unknown bacteria.
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Congo Red
CAS Number: 573-58-0
Formula Weight: 696.68
Formula: C32H22N6Na2O6S2
Hazard Info: Toxic
Solubility: Water and Alcohol
Synonyms: Direct Red 28, C.I. No. 22120, Congo Red Stain, Congo Red Biostain
Shelf Life (months): 36
Storage: Green
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Potassium
CAS Number: 7440-09-7
Formula: K
Density: 0.86 g/mL
Boiling and Freezing Point: 774°C, 63°C
Synonyms: Kalium
Shelf Life: 36 Months
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Innovating Science® Blue Bottle Reaction Demonstration
Amaze students with this reversible reaction.
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Lycopodium
CAS Number: 8023-70-9
Formula: Natural Product
Solubility: Insoluble in Water and Organic Solvents
Synonyms: Spores of Lycopodium Clavatum
Shelf Life: 36 Months
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Methyl Ethyl Ketone
CAS Number: 78-93-3
Formula Weight: 72.11
Formula: CH3COCH2CH3
Hazard Info: Flammable, Narcotic
Density (g/mL): 0.804-0.806
Boiling Point (°C): 79-81
Freezing Point (°C): -86.5
Solubility: Alcohol and Ether
Synonyms: 2-Butanone, MEK, Butanone
Shelf Life (months): 36
Storage: Red
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Amylase
CAS Number: Mixture
Boiling Point: Decomposes
Synonyms: Bacterial Amylase 50,000 BAU/g, Alpha-Amylase
Shelf Life: 36 Months
Storage: Green
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Lithium Chloride
CAS Number: 7447-41-8
Formula: LiCl
Density: 2.068 g/mL
Boiling and Freezing Point: 1382 °C, 614 °C
Solubility: Water and Alcohol
Shelf Life: 12 Months
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Gelatin
CAS Number: 9000-70-8
Formula Weight: Mixture
Formula: Natural Product
Density (g/mL): >1.0
Boiling Point (°C): Decomposes
Freezing Point (°C): Decomposes
Solubility: Hot Water
Shelf Life (months): 36
Storage: Green
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Potassium Chloride
CAS Number: 7447-40-7
Formula: KCl
Density: 1.986—1.990 g/mL
Boiling and Freezing Point: 1500 °C, 772 to 776 °C
Solubility: Water and Alcohol
Synonyms: Muriate of Potash, Potassium Muriate, Potassium Monochloride
Shelf Life: 36 Months
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Wright’s Blood Stain
CAS Number: 68988-92-1
Hazard Info: Flammable
Density (g/mL): 0.79
Boiling Point (°C): 65
Freezing Point (°C): -98
Solubility: Alcohol and water
Shelf Life (months): 36
Storage: Red