"safety"
Lead (II) Carbonate White
CAS Number: 1319-46-6
Formula: (PbCO3)2 • Pb(OH)2
Formula Weight: 775.60
Freezing Point (°C): 400
Hazard Info: Toxic, Irritant
Shelf Life (months): 12
Solubility: Acids
Storage: Green
Synonyms: White Lead, Basic Lead Carbonate
Please Note: This product is designed for educational and teaching laboratories and no certificate of analysis is available.
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VWR® Advanced Magnetic Hotplate Stirrers
These top-of-the-line units combine advanced digital features with high quality and reliability.
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Captair Ductless Filtering Fume Hoods and Powder Weighing Stations, Erlab
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.
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Ward's® Acetic Anhydride
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
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Ward's® AP Chemistry Investigation 16: Buffering: How do the Components Change the Buffering Ability?
Meets AP Science Practices 1, 2, 4, 5, 6, and 7
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Ward's® AP Chemistry Investigation 9: Liquid-Liquid Extraction: What's in that Powder?
Meets AP Science Practices 1, 4, and 6
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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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Calcium Hydroxide
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
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VWR® High Speed Microcentrifuge
The compact, affordable VWR® High Speed Microcentrifuge is capable of high speed performance up to 15500 rpm/16100×g.
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Ward’s® Automatic Autoclave Series
Three convenient options for benchtop sterilization.
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VWR® Urethane Lab Stools
Urethane lab stools have easy-to-clean seats which resist many chemicals, water, paint and more, combined with ergonomic functionality that make them a popular choice of laboratory professionals.
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Indosaw Seed Sampling Trier, 150 cm, Aluminum
Aluminum double tube, 150 cm length, Ø 3.75 cm, 5 openings with safe grip handles.
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PowerSpin™ DXB Horizontal Spin Centrifuge
With speeds up to 5500 RMP and horizontal spin rotor this centrifuge is a great instrument for a busy laboratory.
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Ward's® AP Chemistry Investigation 12: Calorimetry: How Does a Hand Warmer Work?
Meets AP Science Practices 1, 2, 4, 5, 6, and 7




