hBARSCI
| SKU
CH0449A
Class A Borosilicate Glass Volumetric Flask with Beaded Rim, Blue Graduations
Regular price
$9.99
Sale price
$9.99
Regular price
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Product Description
Product Description
This 5 mL Class A volumetric flask is manufactured from borosilicate glass with a rim but without a stopper. It meets DIN ISO 1042 standards with a tolerance of plus or minus 0.025 mL and is calibrated to contain.
Borosilicate glass provides chemical durability and thermal resistance, with heat tolerances rated at a Strain Point of 515°C, Annealing Point of 565°C, and Softening Point of 820°C. The flask is suitable for precise volumetric measurement of small volumes in analytical chemistry laboratories.
Specifications
Specifications
- Material: 3.3 Borosilicate Glass
- Class: Class A
- Capacity: 5 ml
- Stopper: No
- Tolerance: ±0.025 ml
- Graduation: yes
- Thermal Properties (Flask)
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
Glucose (5%) at 121°C
2.5
50
Shipping & Returns
Shipping & Returns
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