Eisco Labs
| SKU
CH0240F
Class B Straight-Bore Burette with PTFE Stopcock, 25mL, Borosilicate Glass
⚠️ 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
Sale price
$35.99
Regular price
$120.99
Backorder
- Free US Shipping $100+ 30 Day Free Returns
Product Description
Product Description
This Eisco Labs 25mL Burette is made from borosilicate glass with a straight bore PTFE stopcock and features blue printed graduations with 0.10mL subdivisions. The burette meets Class B standards with ±0.05mL tolerance as per DIN ISO 385.
The PTFE stopcock provides smooth, chemical-resistant flow control. Borosilicate construction is autoclavable and durable. Suitable for routine titrations and volumetric analysis in educational and professional laboratories.
Specifications
Specifications
- Material: 3.3 Borosilicate Glass
- Class: Class B
- Capacity: 25 ml
- Graduation: 0.1 ml
- Tolerance: ±0.1 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): 26.00" × 18.50" × 18.50" (66.0cm × 47.0cm × 47.0cm)
- Weight: 29.50 lbs (13.38kg)
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.
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