Borosilicate Volumetric Flask with Polyethylene Snap Cap, 250 ml, Class B, Blue Print, ASTM, Autoclavable

Name: Borosilicate Volumetric Flask with Polyethylene Snap Cap, 250 ml, Class B, Blue Print, ASTM, Autoclavable
Brand: Eisco
SKU: CH0444D
Availability: InStock

SKU CH0444D

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Class B, ASTM, borosilicate 3.3 volumetric flask
Includes polyethylene snap cap (size 4)
Single etched graduation mark, blue print
Tolerance ±0.240 ml
220 mm tall
Low temperature gradient - can withstand high temperatures and thermal shocks*
Superior chemical durability*
Autoclavable at 121°C
ASTM E288

*See specifications tab for temperature and chemical durability information

Thermal Properties
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% H₂SO₄at 130°C	12	140
Alkali -1N solution of Na₂CO₃boiling	6	4000
Isotonic infusion Fluids
NaCl (0.85%) at 121°C	2.5	70
Glucose (5%) at 121°C	2.5	50

Borosilicate Volumetric Flask with Polyethylene Snap Cap, 250 ml, Class B, Blue Print, ASTM, Autoclavable

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