Eisco Labs
| SKU
CH0240A
Class A Borosilicate Glass Burette with PTFE Stopcock, 10mL, Blue 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
$37.49
Sale price
Regular price
$37.49
In Stock (216)
- Free US Shipping $100+ 30 Day Free Returns
Product Description
Product Description
This 10mL Class A burette is made from precisely bored borosilicate 3.3 glass with a PTFE key stopcock. Blue printed graduation lines are marked every 1mL with 0.05mL subdivisions. Class A tolerance is ±0.03mL, conforming to ISO 385.
The burette measures 18 inches in length with an inner diameter of 8mm and outer diameter of 11mm. Calibrated for delivery. The borosilicate glass has heat tolerances including 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: 10 ml
- Graduation: 0.05 ml
- Tolerance: ±0.03 ml
- Stopcock: PTFE
- 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% 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): 18.00" × 2.00" × 2.00" (45.7cm × 5.08cm × 5.08cm)
- Weight: 0.20 lbs (91g)
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
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