"hobo+data+logger"

How high did it really go? Measure your rocket's altitude it with this easy to use device.

Students duplicate the famous peppered moth evolution study in the lab with this Natural Selection Experiment.

Learn about how crime scene investigators use chemiluminescence to test for blood stains.

The SmartDrop™ series of nano spectrophotometers provides quick and easy quantification of small samples.

As part of the GE line of non-invasive testing systems, the GE Mac 5500 EKG system offers the high-tech capabilities of the most advanced EKG systems with easy-to-use features.

CAS Number: 9003-04-7
Formula: (C₃H₃NaO₂)_n
Density (g/mL): 0.4 - 0.7
Freezing Point (°C): >198.89
Solubility: insoluble in water/swells in water
Synonyms: Acrylic acid polymer
Shelf Life (months): 12
Storage: Green

CAS Number: 7784-26-1
Formula Weight: 453.33
Formula: AlNH₄(SO₄)₂·12H₂O
Hazard Info: Toxic
Density (g/mL): 1.645
Freezing Point (°C): 94.5
Solubility: Water and Glycerol
Synonyms: Ammonium Alum, Aluminum Ammonium Sulfate Dodecahydrate
Shelf Life (months): 36
Storage: Green

CAS Number: 100-51-6
Formula Weight: 108.14
Formula: C₇H₈O
Density (g/mL): 1.045
Boiling Point (°C): 204
Freezing Point (°C): -15
Solubility: Water and Miscible with Alcohol, Ether and Chloroform
Synonyms: Benzenemethanol, Phenyl methanol, Benzoyl alcohol, alpha-Hydroxytoluene
Shelf Life (months): 36
Storage: Green

CAS Number: 1390-65-4
Formula Weight: 492.39
Formula: C₂₂H₂₀O₁₃/Al/Ca lake
Density (g/mL): >1.0
Boiling Point (°C): Decomposes
Freezing Point (°C): 120
Synonyms: C.I. Natural Red 5, C.I. No 75470, Alum Lake of Carminic Acid
Shelf Life (months): 36
Storage: Green

CAS Number: 7788-99-0
Formula Weight: 499.41
Formula: CrK(SO₄)₂·12H₂O
Hazard Info: Toxic
Density (g/mL): 1.813
Freezing Point (°C): 89
Solubility: Water
Synonyms: Chrom Alum Dodecahydrate
Shelf Life (months): 12
Storage: Green

CAS Number: Mixture
Formula Weight: Mixture
Formula: Mixture
Hazard Info: Flammable, Toxic
Density (g/mL): 0.7919-0.7955
Boiling Point (°C): 74-80
Freezing Point (°C): -114
Solubility: Water
Shelf Life (months): 12
Storage: Red

Understand How a Water Treatment Plant Works.

The Digital Photogate Free Fall Apparatus retains the precision of older models while eliminating the hassle of setting up heavy steel columns and adjusting spark recorders.

No Computer or Serial Cable Required; Just Plug It in and You’re Ready to Measure.

Create your own fluorescent worms while understanding polymer chemistry and cross-linking.

A hands-on volcano model building project complete with safe, simulated lava eruptions.