"Human Biology Lab Activities&"
Eisco Glass Gilson Separatory Funnels with Glass Stopcock
Ungraduated Gilson separatory funnels with ground cones, plastic stoppers, and glass key stopcocks, made of borosilicate 3.3 glass.
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HOBO® Dissolved Oxygen Data Logger
This precision, self-contained data logger is ideal for measuring concentrations of oxygen in lakes, streams, rivers, estuaries, and coastal waters.
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Ward's® Obsidian
Shiny black volcanic glass showing conchoidal fracture and some spherulites.
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Calcium Oxide
CAS Number: 1305-78-8
Formula Weight: 56.08
Formula: CaO
Hazard Info: Irritant (produces heat with water)
Density (g/mL): 3.2-3.4
Boiling Point (°C): 2850
Freezing Point (°C): 2572
Solubility: Acids and reacts with Water
Synonyms: Lime, Quick Lime, Burnt Lime
Shelf Life (months): 12
Storage: White
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Ethyl Ether
CAS Number: 60-29-7
Formula Weight: 74.12
Formula: (C2H5)2O
Hazard Info: Flammable, Explosive, Toxic
Density (g/mL): 0.71
Boiling Point (°C): 35.8
Freezing Point (°C): -123
Solubility: Common Organic Solvents and Slightly in Water
Synonyms: Diethyl Ether, Ether
Shelf Life (months): 12
Storage: Red
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Acetylsalicylic Acid
CAS Number: 50-78-2
Formula Weight: 180.16
Formula: 2-CH3COOC6H4COOH
Density (g/mL): 1.35
Boiling Point (°C): Decomposes
Freezing Point (°C): 135
Solubility: Alcohol and Chloroform
Synonyms: Salicylic Acid Acetate, Aspirin, 2-(acetyloxy)-Benzoic acid
Shelf Life (months): 12
Storage: Green
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BAROMETRIC PRESSURE SENSOR W/10CM CAB
BAROMETRIC PRESSURE SENSOR W/10CM CAB
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Underground Mine Model, Subsurface Mining Techniques Demonstration
Model illustrating subsurface mining methods, engineering design, and resource extraction.
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Aluminum Nitrate 9-Hydrate
CAS Number: 7784-27-2
Formula Weight: 375.13
Formula: Al(NO3)3·9H2O
Hazard Info: Oxidizer, Toxic
Freezing Point (°C): 70
Solubility: Cold Water, Decomposes in Alcohol and Acetone
Synonyms: Aluminum Trinitrate, Aluminum Nitrate Nonahydrate
Shelf Life (months): 36
Storage: Yellow
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Aluminum Oxide
CAS Number: 1344-28-1
Formula Weight: 101.96
Formula: Al2O3
Hazard Info: Irritant, Nuisance
Density (g/mL): 3.5
Boiling Point (°C): 2980
Freezing Point (°C): 2050
Solubility: Insoluble in Water, Low solubility in Acids
Synonyms: Alumina, Aluminum Trioxide
Shelf Life (months): 36
Storage: Green
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Ammonium Oxalate Monohydrate
CAS Number: 6009-70-7
Formula Weight: 142.11
Formula: (NH4)2C2O4·H2O
Hazard Info: Toxic
Density (g/mL): 1.5
Freezing Point (°C): 70
Solubility: Water
Synonyms: Ethanedioic Acid Diammonium Salt
Shelf Life (months): 36
Storage: White
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Cobalt(II) Nitrate Hexahydrate
CAS Number: 10026-22-9
Formula Weight: 291.03
Formula: Co(NO3)2·6H2O
Hazard Info: Oxidizer
Density (g/mL): 1.88
Freezing Point (°C): 55
Solubility: Most Organic Solvents
Synonyms: Cobalt Nitrate Hexahydrate, Cobaltous Nitrate Hexahydrate
Shelf Life (months): 36
Storage: Yellow
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Stearic Acid
CAS Number: 57-11-4
Formula Weight: 284.49
Formula: CH3(CH2)16COOH
Density (g/mL): 0.847
Boiling Point (°C): >315
Freezing Point (°C): 53-56
Solubility: Organic Solvents, Not Soluble in Water
Synonyms: Octadecanoic Acid
Shelf Life (months): 36
Storage: Green
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Ward's® Marble (Coarse White)
Gray to white, coarse crystalline, carbonate rock.