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Burettes - PTFE Rotaflow stopcock, capacity 10ml, Sub. Div. 0.05ml Tolerance ± 0.03ml, class 'A', with individual work certificate, TD - 20 C - eiscoindustrial

Burettes - PTFE Rotaflow stopcock, capacity 10ml, Sub. Div. 0.05ml Tolerance ± 0.03ml, class 'A', with individual work certificate, TD - 20 C

SKU CH7521

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Size



  • Description
  • 3.3 Boro Glass Specs
  • Glassware Sell Sheet
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Thermal Properties

Property Value
Coefficient of Linear Expansion 32.5 x 10-7 / °C
Strain Point 515°C
Annealing Point 565°C
Softening Point 820°C
Specific Heat 0.2
Thermal Conductivity (Cal/cm³°C/Sec) 0.0027

Chemical Durability

Contact Chemical Duration (hours) Loss in weight (mg/m²)
Water distilled at 100°C 6 10
Water vapour steam at 121°C 1 75
Acid HCl 6 100
80% H2SO4 at 130°C 12 140
Alkali -1N solution of Na2CO3 boiling 6 4000
Isotonic infusion Fluids - NaCl (0.85%) at 121°C 2.5 70
Isotonic infusion Fluids - Glucose (5%) at 121°C 2.5 50
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