"Ward's Science"
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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Ethidium Bromide
CAS Number: Mixture
Formula Weight: Mixture
Formula: Mixture
Density (g/mL): Approximately 1.0
Boiling Point (°C): Approximately 100
Freezing Point (°C): Approximately 0
Solubility: Water
Shelf Life (months): 36
Storage: Blue
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Ampicillin
Add to prepared agar or broth to select antibiotic-resistant bacterial strains.
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Sodium Acetate Trihydrate
CAS Number: 6131-90-4
Formula: NaC2H3O2 3H2O
Density: 1.45 g/mL
Boiling and Freezing Point: 122.7°C, 57.7°C
Shelf Life: 12 Months
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Sodium Thiocyanate
CAS Number: 540-72-7
Formula Weight: 81.07
Formula: NaSCN
Density (g/mL): 1.74
Freezing Point (°C): 287
Solubility: Water and Alcohol
Synonyms: Sodium Rhodante, Thiocyanic Acid, Sodium Salt
Shelf Life (months): 36
Storage: Green
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Ward's® Peranema
Extremely small euglenoid. Usually doesn’t rotate when swimming. Scavenger. Hay medium.
Characterized by flagella; lacks plastids.
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Micrasterias
Freshwater; large placoderm desmid; well-shaped semi-cells.
Live Cultures are supplied with media in 16 x 125 mm tubes, 2 oz. jars, or 8 oz. jars. Fast delivery is available directly from our laboratory. Please specify a delivery date.
Each culture shipment is prepared in our laboratories and includes the "Working with Algae & Cyanobacteria" manual which contains detailed instructions for subculturing and use.
Canadian Customers:
CFIA and PHAC regulations require customers to submit a completed inspection checklist and signed statement of facilities compliance before receiving certain cultures. A customer service representative will contact you if documentation is required.
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Methyl Green/Pyronin Y
Formula Weight: Mixture
Formula: Mixture
Density (g/mL): Approximately 1
Synonyms: Methyl Green/Pyronin Y Biological Stain Solution
Shelf Life (months): 36
Storage: Green
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Innovating Science® Periodic Table Set
Learn the different types of elements on the periodic table!
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Physiological Saline
CAS Number: Mixture
Formula: Mixture
Density: Approximately 1 g/mL
Boiling Point: Approximately 100°C
Freezing Point: Approximately 0°C
Synonyms: Isotonic Saline Solution
Shelf Life: 24 Months
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Innovating Science® Properties of Polymers
Learn about polymer chemistry polymer properties like cross-linking and super-absorbance.
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American Chemical Society: Glow It Up Lab Activity
How does a glow stick work?
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Ward's® Digital Slides: Advanced Placement Biology Set
Ward's Digital Slides Powered By Motic®
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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® Chemistry Hydrogen Fuel Cell Demonstration
Show How Energy is Produced.




