Measuring Pipette: Liquid Handling in Labs
Liquid handling in labs relies on one of the most-used laboratory tools: the measuring pipette. Accurate measurements are crucial, and these pipettes are essential for precise liquid handling. You’ll find those in all volumes and applications here. That includes Mohr type pipettes with color-coded markings for comfortable handling, silicone pipet fillers and volumetric pipettes for precise measurements. We’ve got you covered for micro liters or bigger volumes.
Precise measurements are vital in many laboratory procedures. You’ll also find electronic pipette accuracy testers to ensure your pipettes deliver precise and reliable measurements. That’s key to keeping your test results error-free and your experiments on track. Mini-pipettors with fixed volumes are also included for applications where you need to dispense small liquid volumes repeatedly. Those small and easy-to-use pipettes are perfect for many laboratory applications.
Researchers, scientists and lab technicians will find the pipettes in this section useful. Whether you’re working in chemistry, biology or a medical lab, good pipettes are essential to your experiment’s success. That’s why you should look here to find the right pipette for your lab.
There are several types of graduated pipettes and graduation marks. Pipettes come in different types for different lab applications. Here are the main types:
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Graduated Pipettes: Those have graduation marks on the straight tube and can measure specific volumes. They’re ideal for dispensing liquids in volumes.
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Volumetric Pipettes: Designed for precise measurements, these pipettes are used to measure a single, specific volume of liquid accurately.
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Micropipettes: These pipettes are for measuring and transferring small volumes of liquids—usually in micro liters. They’re used in molecular biology and other fields where small quantities are required.
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Automatic Pipettes: With a motorized system, automatic pipettes are fast and accurate in dispensing liquids. They’re used in high-throughput applications where speed is key.
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Serological Pipettes: Used for transferring larger volumes of liquids, serological pipettes are ideal for cell culture and other applications requiring larger liquid handling.
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Repetitive Pipettes: For dispensing the same volume of liquid multiple times, repetitive pipettes are used in procedures where you need to measure the same volume repeatedly.
Measuring pipettes are made from various materials, each with its own benefits and considerations. Those include:
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Borosilicate Glass: This material is famous for its heat and chemical resistance. Borosilicate glass pipettes often meet Class B specifications, which indicates their high quality and precision standards. That durability and clarity make it perfect for precise measurements.
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Plastic: Light weight and shatterproof, plastic pipettes are convenient for many applications. But they’re not suitable for high temperature environments.
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Polypropylene: This plastic is chemical and heat resistant, so it’s popular for lab pipettes. It’s robust and reliable.
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Polyethylene: Light weight and shatterproof, polyethylene pipettes are general-purpose but not for high temperature applications.
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Stainless Steel: Corrosion and chemical resistant, stainless steel pipettes are durable and reliable but more expensive than other materials.
Measuring pipettes are used in various applications to accurately measure and dispense specific volumes of liquids. They’re commonly used in chemistry, biology and pharmaceutical labs for tasks such as titration, sampling and mixing.
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Titration: Measuring pipettes are essential in titration experiments where precise calculations of chemical concentrations are crucial. They allow for the accurate dispensing of specific volumes of titrants, ensuring reliable results.
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Sampling: In many laboratory settings, pipettes are used to collect and measure liquid samples for further analysis. This ensures that the samples are accurate and representative of the larger solution.
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Mixing: When creating precise mixtures and solutions, measuring pipettes are invaluable. They enable the combination of liquids in specific ratios, which is critical for many experimental protocols.
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Serial Dilution: Pipettes are also used in serial dilution processes where a stock solution is diluted to a specific concentration through a series of precise measurements. This technique is often used in microbiology and biochemistry.
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Pipetting: For transferring liquids between containers, measuring pipettes provide precise control over the volume of liquid being moved. That’s essential for maintaining accuracy in experiments.
Measuring pipettes come in various types, including graduated pipettes, bulb pipettes and micropipettes. Each type is suited to different applications. Graduated pipettes are ideal for measuring larger volumes of liquids, while micropipettes are designed for extremely small volumes. Serological pipettes are used for transferring larger volumes of liquids efficiently.
Measuring pipettes are the unsung heroes of laboratory settings. Their material—whether borosilicate glass or plastic—plays a huge role in determining their applications. That’s because borosilicate glass pipettes can withstand high temperatures and harsh chemicals, making them the perfect fit for environments where that kind of durability is essential. Plastic pipettes, on the other hand, are lightweight and shatter-resistant, ideal for situations where breakage is a concern.
Color-coded measuring pipettes make a big difference in busy labs. They allow users to quickly identify the correct pipette for the task at hand, streamlining workflows and cutting down on waiting time. That’s because you can easily find the right tool for the job, and get on with your work.
That’s why measuring pipettes are indispensable tools in laboratory settings. They provide accurate and precise measurements of liquids, and their diverse uses and applications make them a critical component of many laboratory workflows. That means you can rely on them to deliver reliable and reproducible results.
Types of Measuring Pipettes
Measuring pipettes come in various types, each designed for specific applications and uses. The main types of measuring pipettes include:
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Graduated Pipettes: These pipettes feature graduation marks along the straight tube, allowing for the measurement of specific volumes. They are commonly used in laboratory settings for accurate measurements, making them ideal for tasks that require precise liquid handling.
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Mohr Pipettes: Also known as graduated pipettes, Mohr pipettes have a straight tube with graduation marks, making them perfect for measuring specific volumes. They are versatile and widely used in various laboratory applications where precision is essential.
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Volumetric Pipettes: Designed to deliver a single, specific volume of liquid, volumetric pipettes are crucial for applications where precise measurements are paramount. They are often used in analytical chemistry and other fields that demand high accuracy.
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Variable-Volume Pipettes: These pipettes can be adjusted to measure different volumes, offering versatility and convenience for various laboratory applications. They are particularly useful in settings where multiple volume measurements are required.
Each type of pipette serves a unique purpose, ensuring that researchers and lab technicians can choose the right tool for their specific needs.
Measuring Pipette Materials and Construction
Measuring pipettes are made from various materials, each with its own unique characteristics and benefits. The most common materials used for measuring pipettes include:
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Borosilicate Glass: Known for its durability and resistance to thermal shock, borosilicate glass is a popular choice for measuring pipettes. This material is non-toxic, easy to clean, and can withstand high temperatures and harsh chemicals, making it ideal for precise measurements in demanding environments.
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Plastic: Plastic pipettes, often made from polypropylene or polyethylene, are lightweight, inexpensive, and easy to use. They are suitable for non-sterile applications and are shatter-resistant, making them a practical choice for many laboratory settings.
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Stainless Steel: Stainless steel pipettes are durable and resistant to corrosion, making them ideal for applications where high precision is required. They are robust and reliable, though typically more expensive than other materials.
Measuring pipettes are constructed with precision and accuracy in mind. They typically feature a straight tube with graduation marks, allowing for easy identification of specific volumes. The tube is often color-coded for easy identification, and the graduation marks are printed with durable ink to ensure long-lasting accuracy. This construction ensures that measuring pipettes can deliver reliable and reproducible results in various laboratory applications.
Pipette Handling and Calibration
Handling measuring pipettes with care is key to getting accurate measurements. That means avoiding damage, and not touching the tip of the pipette. Oils from your skin can affect measurement accuracy.
Calibration is also crucial. Regular calibration ensures pipette accuracy. Use a calibration solution and follow the manufacturer's instructions to keep it precise. Cleaning pipettes regularly prevents contamination. Use a mild detergent and distilled water to clean the pipette thoroughly.
Choosing the Right Graduated Pipettes
Choosing the right pipette for your laboratory and ensuring proper liquid handling can be a daunting task. With so many types and materials available, it’s easy to get overwhelmed. Consider what you need the pipette for. Different pipettes are designed for different tasks, like measuring small volumes or dispensing liquids.
Think about the application, the material and the accuracy you need. Borosilicate glass pipettes are for high-temperature applications, plastic pipettes for lower temperatures. Volumetric pipettes are for precise measurements, graduated pipettes for less critical tasks.
Uses and Applications of Measuring Pipettes
Measuring pipettes are essential tools in various laboratory settings, including:
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Laboratory Research and Development: Measuring pipettes are used to accurately measure and transfer small volumes of liquids in laboratory research and development applications. Their precision is crucial for experiments and analyses that require exact measurements.
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Pharmaceutical and Biotechnology Industries: In pharmaceutical and biotechnology applications, measuring pipettes are used to measure specific volumes of liquids, ensuring precision and accuracy in the formulation and testing of products.
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Medical and Healthcare Applications: Measuring pipettes are used in medical and healthcare settings, such as hospitals and clinics, to measure specific volumes of liquids for diagnostic and therapeutic purposes. Their accuracy is vital for patient care and treatment.
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Educational Institutions and Training Programs: Measuring pipettes are used in educational institutions and training programs to teach students about laboratory techniques and procedures. They provide hands-on experience in accurate liquid handling.
Measuring pipettes are also used in various industries, including:
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Quality Control and Assurance: Measuring pipettes are used to measure specific volumes of liquids in quality control and assurance applications, where precision and accuracy are crucial for maintaining product standards.
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Food and Beverage Industry: In the food and beverage industry, measuring pipettes are used to measure specific volumes of liquids in food processing and quality control, ensuring consistency and safety in products.
Overall, measuring pipettes are indispensable tools in various laboratory settings and industries, where precision and accuracy are crucial. Their ability to deliver specific volumes of liquids accurately makes them essential for reliable and reproducible results.
Pipette Best Practices to Dispense Specific Volumes
To get accurate and reliable results, follow these best practices when using measuring pipettes:
Use the right pipette for the job. Calibrate regularly to maintain accuracy. Handle with care to prevent damage and contamination. Clean regularly to maintain performance. And use the right technique to get precise and accurate measurements.
By following these tips, you'll get the most out of your pipetting and your lab experiments.
Burettes in Chemical Analysis Labs: Borosilicate Glass
Burettes are laboratory instruments used in quantitative chemical analysis. They add a specific volume of a reagent to a solution during titration to determine the concentration of a sample. Burettes are preferred for their accuracy and ease of use. They're used in fields from environmental to pharmaceuticals.
What are Burettes Used in Laboratory
A burette is a graduated glass or plastic tube with a control valve at one end to dispense liquids in controlled amounts. Burettes are accurate for applications where small amounts of liquid need to be added to a chemical reaction.
The volume range of a burette is crucial. It comes in various sizes from 10 ml to 100 ml. Precision is key in a burette, as the smallest error in volume range can lead to big errors in data. Calibrate your burettes regularly to get accurate readings and maintain their accuracy over time.
Good Burettes Features
Burettes are made of glass for its inertness and clarity or from durable plastics for break resistance and chemical inertness. The choice of material depends on the specific chemical compatibility and durability requirements of the lab.
Good burettes are designed to withstand wear and chemical corrosion. They are manufactured under strict standards to ensure consistency and precision.
Burettes in Chemical Analysis
Titration techniques are where burettes really shine. By adding a specific volume of a reagent to a solution, you can determine the concentration of a sample. Burettes make this process more accurate and easier to perform.
Acid-base titration and redox reactions are just two of the many applications where burettes really shine. They help you determine the concentration of an unknown acid or base solution by carefully adding a known concentration of titrant.
Burettes are also used in redox titration to analyze the strength of an oxidizing or reducing agent.
In the pharmaceutical industry, you use burettes to check the concentration of active ingredients in products. Environmental scientists rely on them to analyze pollutant levels in water and other samples. That's critical for environmental protection and compliance.
What you get with a burette is accuracy and reliability-you need both in scientific and industrial applications. With precise control over the amount of liquid dispensed, you get highly accurate measurement results. And with proper maintenance and calibration, a burette can perform well for years.
When choosing a burette, consider the volume range and precision level you need. A smaller diameter burette will give you better control and precision in dispensing liquid. Then there's the price and quality balance: investing in a higher-quality burette can save you money in the long run on calibration and replacement.
Regular cleaning and maintenance are key to extending the life of your burette. Clean it properly, store it upright and rinse it with the right solvents. And don't forget to calibrate it as per the manufacturer's recommendation to keep it accurate and reliable.
Burettes are a must-have in any lab. They offer precise quantitative chemical analysis-and that's critical in many scientific fields. With so many models and volume ranges available, you can choose the right burette for your needs. By following good practice in maintenance and calibration, you can get the most out of these critical instruments.
The Best Measuring Pipette for Accurate and Reliable Lab Results
Choosing the Right Pipette
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Consider the type of pipette needed: graduated pipet, bulb pipet, or repeating pipet
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Think about the material: borosilicate glass, plastic, or polypropylene
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Determine the volume range required: milliliters (mL) or microliters (μL)
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Check the pipette’s class: Class B pipettes meet ASTM specification E-1293
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Consider the brand: Fisher Scientific offers a range of pipettes
Pipette Materials and Construction
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Borosilicate glass pipettes are durable and resistant to thermal shock
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Plastic pipets, such as polypropylene, are resistant to breakage and non-sterile
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Pipettes can be made from various materials, including glass and plastic
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Look for pipettes with durable markings, such as amber or blue graduations
Key Features and Considerations
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Graduation marks: straight tube with graduation marks indicating volume changes
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Color-coded: easy identification and compliance with ASTM specification E-1293
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Filtered search results: some pipettes have built-in filters to prevent contamination
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Waiting time: consider the time it takes to deliver specific volumes
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Dispense specific volumes: pipettes are designed to accurately measure and dispense liquids
Ensuring Accuracy and Reliability
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Calibrated to deliver precise measurements
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Regular calibration and maintenance are essential
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Look for pipettes with adjustable volume settings
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Consider pipettes with digital displays for enhanced user experience
Pipette Selection and Usage Best Practices
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Choose the right pipette for the job: Mohr pipets, graduated pipettes, or electronic pipettes
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Use pipettes correctly: follow proper technique and handling procedures
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Store pipettes properly: keep them clean and dry to prevent contamination
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Consider pipette tips: ergonomic design and adjustable tips can enhance user experience
