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Eisco CH0442B Class B 50 ml Glass Volumetric Flask with Stopper

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Eisco CH0442B Class B 50 ml Glass Volumetric Flask with Stopper

Eisco CH0442B Class B 50 ml Glass Volumetric Flask with Stopper

CH0442B

New product

  • 50 ml ASTM-E288 volumetric flask
  • High quality 3.3 borosilicate glass
  • Class B, Tolerance ±0.100 ml
  • Low temperature gradient - withstands thermal shocks
  • Autoclavable up to 121° C
  • Includes solid glass No. 13 stopper

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Our Price: $6.85

 
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Eisco 50 mL Borosilicate Glass Volumetric Flask - Class B

ELabGlass® 50 mL volumetric flasks from Eisco are manufactured using state-of-the-art glass blowing and calibration techniques to the tightest tolerances. All volumetric flasks are made with high quality, low expansion borosilicate 3.3 glass which makes less susceptible to breakage from thermal shocks and exposure to higher temperatures allowing them to be autoclaved up to 121° C. ELabGlass® is highly resistant to water, neutral and acid solutions, concentrated acids, chlorine, bromine iodine and organic matter.

Chemical Durability

Contact Chemical (mg/m2)Duration (hours)Loss in weight
Water distilled at 100°C610
Water vapor steam at 121°C175
Acid HCl6100
80% H2SO4 at 130°C12140
Alkali -1N solution of Na2CO3 boiling6400
Isotonic infusion FluidsDuration (hours)Loss in weight
NaCl (0.85%) at 121°C2.570
Glucose (5%) at 121°C2.550

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Data sheet
SterileNo
Dimensions1 in. Flat Base x 6.5 in. Height
Volume50 mL
Material3.3 Borosilicate Glass
StopperSolid Glass, No. 13
Tolerance±0.050 ml
Coefficient of Linear Expansion32.5 x 107 / ° C
Strain Point-515° C
Annealing Point565° C
Softening Point820° C
Specific Heat0.2
Thermal Conductivity (Cal/cm3°C/Sec)0.0027

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