--- product_id: 236613599 title: "Eisco Labs Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL cap., 0.10mL grad., Class A tolerance" brand: "eisco" price: "€ 71.81" currency: EUR in_stock: true category: "Eisco" url: https://www.desertcart.pt/products/236613599-eisco-labs-borosilicate-burette-straight-bore-ptfe-stopcock-50ml-cap store_origin: PT region: Portugal --- # 0.10mL fine graduations 50mL precision capacity Class A ±0.05mL accuracy Eisco Labs Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL cap., 0.10mL grad., Class A tolerance **Brand:** eisco **Price:** € 71.81 **Availability:** ✅ In Stock ## Summary > ⚗️ Elevate your lab game with precision that professionals trust! ## Quick Answers - **What is this?** Eisco Labs Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL cap., 0.10mL grad., Class A tolerance by eisco - **How much does it cost?** € 71.81 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/236613599-eisco-labs-borosilicate-burette-straight-bore-ptfe-stopcock-50ml-cap) ## Best For - eisco enthusiasts ## Why This Product - Trusted eisco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision at Every Drop:** Class A tolerance ensures lab-grade accuracy within ±0.05mL, so your results never miss the mark. - • **ISO Certified Excellence:** Manufactured to ISO 385 and DIN 12709 standards for trusted, repeatable performance. - • **Crystal Clear Borosilicate:** Durable, chemical-resistant glass that withstands rigorous lab use and high temperatures. - • **Smooth Control PTFE Stopcock:** Interchangeable, non-reactive PTFE key stopcock offers effortless, leak-free flow control. - • **Optimized for Professional Labs:** 50mL capacity with ultra-fine 0.10mL graduations—perfect for precise titrations and experiments. ## Overview The Eisco Labs Borosilicate Burette is a 50mL straight bore glass burette featuring ultra-fine 0.10mL graduations and a PTFE stopcock for smooth, accurate liquid dispensing. Certified to ISO 385 and DIN 12709 standards, it offers Class A tolerance with ±0.05mL accuracy, making it ideal for high-precision laboratory titrations and chemical analyses. ## Description EISCO Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL - Class A Burette These high quality borosilicate burettes are straight bore with interchangeable PTFE key stopcocks. Accuracy is per ISO 385, DIN 12709. ## Features - High quality, borosilicate burette with PTFE stopcock - 50mL capacity with 0.10mL graduations - Class A tolerance (+/- 0.05mL) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00B5F4XO8 | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 333,970 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 29 in Lab Burettes | | Customer Reviews | 4.3 4.3 out of 5 stars (119) | | Date First Available | 24 Jan. 2013 | | Guaranteed software updates until | unknown | | Item Package Quantity | 1 | | Item Weight | 295 g | | Item model number | CH0240C | | Manufacturer | Eisco | | Material | Borosilicate Glass | | Part number | CH0240C | | Product Dimensions | 76.2 x 10.16 x 10.16 cm; 294.84 g | | Specification met | ISO | ## Images ![Eisco Labs Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL cap., 0.10mL grad., Class A tolerance - Image 1](https://m.media-amazon.com/images/I/71BRw+awCBL.jpg) ![Eisco Labs Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL cap., 0.10mL grad., Class A tolerance - Image 2](https://m.media-amazon.com/images/I/71A0yVJmtuL.jpg) ![Eisco Labs Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL cap., 0.10mL grad., Class A tolerance - Image 3](https://m.media-amazon.com/images/I/71UYQKQtkrL.jpg) ![Eisco Labs Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL cap., 0.10mL grad., Class A tolerance - Image 4](https://m.media-amazon.com/images/I/81fm5525l3L.jpg) ![Eisco Labs Borosilicate Burette, Straight Bore, PTFE Stopcock - 50mL cap., 0.10mL grad., Class A tolerance - Image 5](https://m.media-amazon.com/images/I/71CBftNG3ZL.jpg) ## Questions & Answers **Q: Is it autoclavable for sterilization?** A: Yes, the product is autoclavable. **Q: Does glass key stopcock allow precise flow control?** A: Yes, the stopcock allows for precise flow control. **Q: Are graduations easy to read?** A: Yes, the graduations are clear and easy to read. **Q: Does stopcock leak or allow bubbles?** A: Yes, the stopcock minimizes leaks and bubbles. **Q: Is calibration certificate included upon purchase?** A: Yes, calibration certificate is included. ## Frequently Bought Together - EISCO Burette, 50ml - Class A, ±0.05ml Accuracy - Borosilicate Glass - Straight Bore PTFE Stopcock - 0.1ml Blue Graduations - EISCO Chemical Resistant Steel Ring Stand Set - Lab Stand Support with Clamp - 8 Inch x 5 Inch Base, 24 Inch Rod - Use as Glass Funnel Stand or Test Tube Holder - EISCO Double Sided Butterfly Style Burette/Tube Clamp - High Strength Alloy - Spring Loaded Jaws - 7/8" Width Capacity, Holds Burettes up to 100mL - Fits Max 16mm Dia. Rods --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/236613599-eisco-labs-borosilicate-burette-straight-bore-ptfe-stopcock-50ml-cap](https://www.desertcart.pt/products/236613599-eisco-labs-borosilicate-burette-straight-bore-ptfe-stopcock-50ml-cap) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-08-26*