Eisco Labs
| SKU
CH0240D
Class A Burette with PTFE Key Stopcock, 100mL, Blue Graduations, 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
$49.99
Regular price
$64.39
In Stock (154)
- Free US Shipping $100+ 30 Day Free Returns
Product Description
Product Description
This 100mL Class A burette is made from heavy-duty borosilicate 3.3 glass with 0.20mL blue graduations and a tolerance of ±0.10mL per DIN ISO 385 and ASTM-E287 standards. The burette includes an attached PTFE straight-bore stopcock that resists chemicals, moisture, high temperatures, flames, thermal expansion, and UV exposure.
The PTFE plastic is a strong, low-friction material with smooth transfer and nonstick properties. Features chemical-resistant blue printing for clear graduation reading. Suitable for high school and college titration applications.
Specifications
Specifications
- Material: 3.3 Borosilicate Glass
- Class: Class A
- Capacity: 100 ml
- Graduation: 0.2 ml
- Tolerance: ±0.10 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): 36.00" × 3.00" × 1.00" (91.4cm × 7.62cm × 2.54cm)
- Weight: 0.80 lbs (363g)
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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