Eisco Labs
| SKU
CH1952E02
Class A Custom Calibrated Borosilicate Glass Volumetric Flask with Polyethylene Stopper, White Graduations
⚠️ WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Regular price
$18.09
Sale price
Regular price
$18.09
Low Stock (8)
- Free US Shipping $100+ 30 Day Free Returns
Product Description
Product Description
This 37.1mL Class A volumetric flask is made from heavy-duty borosilicate 3.3 glass with a single white graduation mark and tolerance of ±0.05mL per ISO 1042 standards. Fitted with a chemically-resistant interchangeable 10/19 polyethylene stopper. The flask stands 5.25 inches tall with a 1.75-inch bottom diameter and 14mm neck diameter. Calibrated to contain. Includes calibration certificate from an ISO-accredited testing lab.
Microwavable and autoclavable with superior chemical durability and thermal shock resistance. Heat tolerances include a Strain Point of 515°C, Annealing Point of 565°C, and Softening Point of 820°C.
Specifications
Specifications
- Material: 3.3 Borosilicate Glass
- Class: Class A
- Capacity: 200 ml
- Stopper: Polypropylene (10/19)
- Tolerance: ±0.050 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
- Dimensions (L × W × H): 1.80" × 1.80" × 5.30" (4.57cm × 4.57cm × 13.5cm)
- Weight: 0.10 lbs (45g)
Shipping & Returns
Shipping & Returns
SHIPPING
Ships from Rochester, NY. Orders received by 1:00 PM EST M-F typically ship same business day. Free US shipping on orders over $100. Expedited options available.
RETURNS
30-day return window. Unused items receive a full refund; used items are eligible for store credit or exchange. Return shipping is paid by the customer. Clearance items are final sale. Defective products? Contact us directly.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
