"safety"

Brass double tube, 75 cm length, Ø 1.25 cm, 5 openings with safe grip handles.

Rugged and reliable analog hotplates and stirrers for general purpose heating and stirring. They are ideal for lab environments that require affordable, everyday fast heating and reliable stirring. All three sizes offer simple knob control to easily adjust the heating and stirring functions.

Indispensable tool for portable environmental monitoring.

Trainees and students in midwifery and obstetrics can practice correctly assessing the progress of the birth by palpating, using the birth stages trainer.

Erlab’s Captair Ductless Filtering Fume Hoods and Powder Weighing Stations are 100% ductless, meaning no HVAC connection to the outside is required. Some models can be placed on mobile bases to be wheeled around, or shared between laboratories. The units offer end users protection from particulate, and or liquid handlings. Units are also cleanroom compliant with HEPA at the exhaust. Customers can weigh down to six decimal places without interruption of the scale.

Microcontroller-based lab oven for precise temperature control, with stainless steel chamber, fan, and digital display.

Meets AP Science Practices 4, 5, and 6

CAS Number: 140-66-9
Formula Weight: 206.33
Formula: (CH₃)₃CCH₂(CH₃)₂C₆H₄OH
Hazard Info: Corrosive
Density (g/mL): 0.912
Boiling Point (°C): 221.2
Freezing Point (°C): 101.5
Solubility: Water and Alcohol
Synonyms: p-tert-Octylphenol, 4-(tert-octyl) Phenol
Shelf Life (months): 36
Storage: White

CAS Number: 10035-06-0
Formula Weight: 485.1
Formula: Bi(NO₃)₃·5H₂O
Hazard Info: Oxidizer, Flammable, Irritant
Density (g/mL): 2.830
Boiling Point (°C): 80
Freezing Point (°C): 30
Solubility: Nitric Acid, Alcohol and Acetone
Synonyms: Bismuth(III) Nitrate 5-Hydrate, Bismuth Trinitrate, Bismuth Nitrate
Shelf Life (months): 12
Storage: Yellow

CAS Number: 1305-62-0
Formula Weight: 74.10
Formula: Ca(OH)₂
Hazard Info: Irritant, Corrosive
Density (g/mL): 2.24
Boiling Point (°C): as CaO 579
Freezing Point (°C): as CaO 2580
Solubility: Water, Glycerol, and Acids
Synonyms: Hydrated Lime, Slacked Lime, Caustic Lime, Calcium Hydrate
Shelf Life (months): 12
Storage: Green

Meets AP Science Practices 1, 4, 5, 6, and 7

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

Meets AP Science Practices 1, 2, 4, 5, 6, and 7

Meets AP Science Practices 1, 4, and 6

CAS Number: 108-24-7
Formula Weight: 102.09
Formula: C₄H₆O₃
Hazard Info: Irritant, Corrosive, Flammable
Density (g/mL): 1.08
Boiling Point (°C): 139.9
Freezing Point (°C): -73
Solubility: Reacts with Water and Alcohol
Synonyms: Acetic Oxide, Acetyl Oxide, Ethanoic Anhydride, Acetic Acid Anhydride
Shelf Life (months): 36
Storage: White

This VWR® upholstered lab stool features a roomy and comfortable 16" Ø seat with 3.5" of resilient foam cushioning and adjustability proven to provide reliable ergonomic performance, shift after shift, year after year.