Let’s Dive into Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523
The Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 from Tech Glass is a critical tool for anyone requiring precise liquid dispensing in a laboratory or industrial setting. This buret combines the accuracy of borosilicate glass with the convenience of automatic self-zeroing and a fluoropolymer resin stopcock. It promises both reliability and efficiency. The included rubber bulb, connecting tube, bottle, air inlet tube, and rubber stopper create a complete system, simplifying the titration process.
My work in environmental testing requires accurate and repeatable titrations. A consistent, easy-to-use buret is non-negotiable. The promise of automatic self-zeroing and a chemically resistant stopcock drew me to this particular model.
The Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 arrived well-packaged. The glass components were carefully protected, and the included accessories were neatly organized. My initial impression was positive; the glass felt substantial, and the stopcock moved smoothly.
Compared to a standard manual buret and a lower-priced, generic self-zeroing model I’ve used previously, the Tech Glass option seemed to offer a step up in quality. I opted for the Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 hoping for improved precision and durability over those alternatives. My first impression was one of cautious optimism; I was eager to see how it performed in real-world scenarios.
Real-World Testing: Putting Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 to the Test
First Use Experience
My first test involved titrating water samples for alkalinity in our lab. I set up the Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 with the included bottle and filled it with our standard sulfuric acid titrant. The self-zeroing function worked seamlessly; a few squeezes of the rubber bulb and the meniscus settled precisely at the 0.00 mL mark.
I tested the buret under normal laboratory conditions, with temperatures around 70°F and moderate humidity. The fluoropolymer resin stopcock allowed for very fine control of the titrant flow. This was crucial for accurate endpoint determination. I experienced no issues during my first use, and the titration proceeded smoothly and quickly.
Extended Use & Reliability
After several weeks of daily use, the Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 has proven to be a reliable workhorse. The borosilicate glass remains clear and free from etching. The stopcock continues to provide smooth, consistent flow control.
There are no visible signs of wear and tear despite repeated use. The glass has held up well against accidental knocks against other lab equipment. Cleaning is simple; rinsing with distilled water followed by a quick drying is sufficient.
Compared to the manual buret I used previously, the Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 saves significant time and reduces the risk of errors in initial volume readings. It definitely outperforms my previous methods. The precision and ease of use justify the initial investment.
Breaking Down the Features of Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523
Specifications
Capacity: 25 mL. The 25 mL capacity is suitable for a variety of titration applications where moderate volumes are needed.
Graduations: 0.10 mL. Graduations of 0.10 mL allow for precise measurements and accurate endpoint determination in titrations.
Stopcock: Fluoropolymer Resin. The fluoropolymer resin stopcock provides excellent chemical resistance and smooth, controlled dispensing.
Length: 521 mm. The length is appropriate for easy handling and readability while performing titrations.
Unit: Each. The product is sold as a single unit, including all necessary components for immediate use.
The borosilicate glass construction ensures resistance to chemical corrosion and thermal shock, vital for maintaining accuracy. The automatic self-zeroing mechanism simplifies setup and reduces the chances of errors. The included components (rubber bulb, connecting tube, bottle, air inlet tube, and rubber stopper) provide a complete and ready-to-use system.
Performance & Functionality
The Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 performs exceptionally well in delivering precise and repeatable volumes of liquid. The fine control afforded by the stopcock is particularly advantageous for accurate titrations. The self-zeroing feature saves time and minimizes the risk of parallax errors.
The only potential improvement would be a slightly finer graduation scale, though 0.10 mL is sufficient for most standard applications. Overall, it meets and exceeds expectations for accuracy and ease of use.
Design & Ergonomics
The buret is constructed from high-quality borosilicate glass, giving it a solid and durable feel. The glass is clear, allowing for easy viewing of the liquid meniscus. The ergonomic design makes it comfortable to handle, even during prolonged use.
The setup is straightforward, and the self-zeroing mechanism is intuitive. The stopcock is easy to manipulate, allowing for precise control of the flow rate. The design minimizes any learning curve.
Durability & Maintenance
With proper care, the Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 should last for many years. Borosilicate glass is known for its resistance to chemical attack and thermal stress.
Cleaning is simple; rinsing with distilled water after each use prevents the buildup of residue. Periodic cleaning of the stopcock with a specialized grease is recommended to ensure smooth operation.
Accessories and Customization Options
The Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 comes with all the necessary accessories for immediate use. No additional customization is typically required.
The bottle supplied is of a standard size, and replacements are readily available from various laboratory supply vendors. The rubber bulb and tubing are also easily replaceable if needed.
Pros and Cons of Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523
Pros
- Precise and Accurate Dispensing: The fine graduations and fluoropolymer resin stopcock allow for accurate and controlled dispensing.
- Automatic Self-Zeroing: Saves time and reduces the risk of parallax errors.
- Durable Borosilicate Glass: Resistant to chemical corrosion and thermal shock, ensuring long-term reliability.
- Complete System: Includes all necessary components (bottle, bulb, tubing, stopper) for immediate use.
- Easy to Clean and Maintain: Simple rinsing is typically sufficient for cleaning.
Cons
- The 0.10 mL graduations may not be fine enough for very high-precision applications.
- Glass construction requires careful handling to avoid breakage.
Who Should Buy Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523?
The Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 is perfect for:
- Laboratory Technicians: Who require precise and repeatable liquid dispensing for titrations and other analyses.
- Quality Control Professionals: Who need accurate measurements to ensure product quality.
- Environmental Scientists: Who analyze water and soil samples.
Those who require extremely high precision beyond 0.10 mL graduations should skip this product and consider burets with finer scales.
A small funnel for filling the bottle could be a useful accessory. A specialized stopcock grease is also recommended for long-term maintenance.
Conclusion on Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523
The Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 is a reliable and accurate tool for any laboratory or industrial application requiring precise liquid dispensing. The automatic self-zeroing feature and chemically resistant stopcock make it a convenient and efficient alternative to traditional manual burets.
While the price of $305.99 may seem high, the improved accuracy, efficiency, and durability justify the investment. The Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 is a worthwhile addition to any lab seeking to improve its titration processes.
I would personally recommend the Tech Glass Burets, Automatic Self-Zeroing, with Stopcock TG18445-2523 to anyone looking for a high-quality, reliable, and easy-to-use buret. Invest in accuracy and efficiency – you won’t regret it!