Serological pipettes are essential tools in laboratories, primarily used for the accurate and sterile transfer of liquids, particularly in cell culture, microbiology, and chemical analysis. They are designed for precision and sterile handling of various solutions. Products were evaluated based on material stability, pipetting accuracy, sterilization methods, individual packaging, and feature analysis to determine their suitability for diverse laboratory applications.
Serological Pipette - 25ml/Red,Individually Wrapped(Case of 50)
This 25ml pipette offers reliable gamma irradiation and robust polystyrene material, making it a versatile choice for standard lab procedures requiring sterility and durability.
Search on AmazonSerological Pipette - 10ml/Orange, Individually Wrapped(Case of 100)
As a 100-count pack of 10ml pipettes, this option provides excellent value for routine tasks where a high volume of sterile transfers is common.
Search on AmazonEarthOx Sterile Serological Pipettes 25ml Long (Length: 338.9mm)(Individually Packaged) (20 Pipettes)
Featuring an extended length, bidirectional graduations, and negative graduation for expanded working volume, this pipette caters to specialized applications demanding enhanced reach and precision.
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- 【Specification】：50ml Serological Pipette，Purple，Individually Wrapped，(Case of 50)，gamma irradiated.
- 【Stable material】: Standard polystyrene material, thick material, sturdy and durable, high transparency, different color circle marks represent different capacity specifications, easy to identify and use.
- 【Accurate pipetting】: clear scale, improve sampling accuracy, not easy to adhere, and the calibration rate of the volume is within ±2%. The tube contains high-quality sand core, the novel pipette nozzle design can be adapted to most pipettes on the...
- 【Two-way scale design】: meet the needs of adding and subtracting samples at the same time. The clear and concise scale and the negative scale with extra capacity are convenient for liquid absorption and reading.
- 【CUSTOMER SERVICE】:If you encounter any problem, please contact us. we will help you solve the problem as soon as possible.
- 【Specification】：25ml Serological Pipette，Red，Individually Wrapped，(Case of 100)，gamma irradiated.
- 【Stable material】: Standard polystyrene material, thick material, sturdy and durable, high transparency, different color circle marks represent different capacity specifications, easy to identify and use.
- 【Accurate pipetting】: clear scale, improve sampling accuracy, not easy to adhere, and the calibration rate of the volume is within ±2%. The tube contains high-quality sand core, the novel pipette nozzle design can be adapted to most pipettes on the...
- 【Two-way scale design】: meet the needs of adding and subtracting samples at the same time. The clear and concise scale and the negative scale with extra capacity are convenient for liquid absorption and reading.
- 【CUSTOMER SERVICE】:If you encounter any problem, please contact us. we will help you solve the problem as soon as possible.
- Stable Polystyrene---Pipettes are made from optically clear polystyrene, sturdy and durable, high transparency
- Bidirectional Scale---Bi-directional (positive and negative) graduations are printed in bold to dispense and aspirate sample at the same time
- Supply a Filter Plug---The pipette contains a high-quality core to help handle liquid sample
- Color Coded Stripes---Both the pipettes and individual wrappers are color coded for easy volume identification
- Package Included---50Pcs 50mL Polystyrene Serological Pipettes
- Bi-directional graduations are printed in bold easy-to-read black ink
- Color coded stripes and packaging enable quick volume identification
- All pipets contain a premium material filter plug
- All serological pipets are manufactured to the ASTM Standard Specification for Serological Pipets E-934
- All serological pipets are supplied sterile (gamma irradiated)
- 【Specification】：10ml Serological Pipette，Orange，Individually Wrapped，(Case of 100)，gamma irradiated.
- 【Stable material】: Standard polystyrene material, thick material, sturdy and durable, high transparency, different color circle marks represent different capacity specifications, easy to identify and use.
- 【Accurate pipetting】: clear scale, improve sampling accuracy, not easy to adhere, and the calibration rate of the volume is within ±2%. The tube contains high-quality sand core, the novel pipette nozzle design can be adapted to most pipettes on the...
- 【Two-way scale design】: meet the needs of adding and subtracting samples at the same time. The clear and concise scale and the negative scale with extra capacity are convenient for liquid absorption and reading.
- 【CUSTOMER SERVICE】:If you encounter any problem, please contact us. we will help you solve the problem as soon as possible.
- 【Specification of Pipette】：25ml Serological Pipette，Purple，Individually Wrapped，(Case of 50)，gamma irradiated,non-pyrogenic
- 【Stable Material Graduated Pipettes】: Standard polystyrene material with good chemical stability and transparency,high quality filter element helps with liquid extraction
- 【Accurate Pipetting】: Clear scale, improve sampling accuracy, and the calibration rate of the volume is within ±2%, the novel pipette nozzle design can be adapted to most pipettes on the market
- 【Multi-purpose Serological Piettes】: Suitable for various experimental operations, and can be used for liquid absorption and transfer in serology, biology, chemistry and other fields
- 【Individually Packaging Filtering Pipette】 : Each straw is sealed and packaged separately, with light weight, it is easy to use
- 【10mL-Orange Color】You will receive 10ml*100 serological pipette with orange markings. And our serological pipet are packed in cardboard boxes, so they won't break easily during transportation
- 【Gamma Irradiated】Serological Pipetts with gamma irradiation are pre-sterilized via gamma rays for SAL 10⁻⁶ compliance, preserving material integrity and offering ready-to-use convenience in regulated labs
- 【Polystyrene Material】Constructed of highly transparent prime virgin polystyrene, our pipette can endure exposure to a wide range of common laboratory products, ensuring long - lasting performance
- 【Ascending & Descending Graduations】Featuring highly accurate and clearly - marked graduations, our serological pipette allows for precise liquid transfer, making it an essential tool for applications like micro - volume cell culture experiments where...
- 【Versatile Application】Suitable for a diverse range of laboratory applications, including immunology research and cell - based assays, our serological pipette meets the various liquid - handling demands of different scientific fields
- 【24 - Hour After - Sales Guarantee】 When you purchase our products, you will enjoy 24 - hour after - sales guarantee service. If the product malfunctions, our after - sales team will respond immediately and arrange for repair or replacement in a...
- 【Specification of Pipette】：50ml Serological Pipette，Purple，Individually Wrapped，(Case of 25)，gamma irradiated,non-pyrogenic
- 【Stable Material Graduated Pipettes】: Standard polystyrene material with good chemical stability and transparency,high quality filter element helps with liquid extraction
- 【Accurate Pipetting】: Clear scale, improve sampling accuracy, and the calibration rate of the volume is within ±2%, the novel pipette nozzle design can be adapted to most pipettes on the market
- 【Multi-purpose Serological Piettes】: Suitable for various experimental operations, and can be used for liquid absorption and transfer in serology, biology, chemistry and other fields
- 【Individually Packaging Filtering Pipette】 : Each straw is sealed and packaged separately, with light weight, it is easy to use
- 5Ml pipet
- Individually wrapped paper/plastic
- Bag sterile
- COMPLETE SET: Includes 5 glass serological pipettes (10mL capacity), 2 cleaning brushes, and 2 glass stirring rods (5mm diameter, 20cm length) for convenient storage and organization
- PRECISE MEASUREMENTS: Clear glass construction with graduated markings from 0-10mL allows for accurate liquid measurement and dispensing
- EASY HANDLING: Blue rubber bulb tops provide comfortable grip and controlled dispensing of liquids during laboratory procedures
- LABORATORY GRADE: Made from high-quality borosilicate glass for excellent chemical resistance and durability in lab settings
- VERSATILE USE: Perfect for transferring liquids in chemistry, biology, medical research, and other scientific applications
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Last update on 2026-07-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Serological Pipettes
Material Stability and Transparency
The choice of material significantly impacts a serological pipette's performance and durability. Typically, these pipettes are crafted from optically clear polystyrene, a material known for its chemical stability and high transparency, which is crucial for observing liquid levels accurately. Brands like Lichen cottage and PEKYBIO emphasize the use of 'standard polystyrene material' and 'optically clear polystyrene' respectively, ensuring the pipettes are sturdy and resistant to breakage during handling. Users often report that thicker materials, as highlighted by Lichen cottage, contribute to a more robust feel and reduced risk of accidental damage, essential for maintaining sterile environments.
Accuracy and Scale Features
Precision in liquid transfer is paramount in laboratory work, making the clarity and design of the scale a critical buying criterion. Many modern serological pipettes, including those from PEKYBIO and EarthOx, feature 'bidirectional scales' (positive and negative graduations). This design allows for both dispensing and aspirating with increased flexibility, often including 'negative graduation' to provide additional working volume beyond the nominal capacity. Scienfocus lab also notes 'clear two-way (positive and negative) scale marks' for accurate measurement. In practice, a clear, non-adhering scale, as mentioned by Lichen cottage, improves sampling accuracy and ensures the 'calibration rate of the volume' remains consistent, which is vital for reproducible results.
Sterilization and Packaging
For most laboratory applications, especially cell culture, sterile pipettes are non-negotiable. The primary method of sterilization for many serological pipettes is 'gamma irradiation', a process explicitly stated for products by Lichen cottage and Scienfocus lab, ensuring the absence of microbial contamination. Individual packaging is another key feature, with almost all products, including those from Lichen cottage, PEKYBIO, and Scienfocus lab, being 'individually wrapped'. This practice maintains sterility until the moment of use, preventing cross-contamination. Some pipettes, such as those from PEKYBIO, also 'supply a filter plug', which is designed to prevent overfilling and protect pipette controllers from liquid aspiration, adding an extra layer of safety and sterility assurance.
Volume and Physical Dimensions
Serological pipettes are available in various volumes, such as 10ml, 25ml, and 50ml, to accommodate different experimental needs. The required volume is typically dictated by the specific task; for instance, larger volumes like the 50ml PEKYBIO pipette are suitable for bulk media transfers, while 10ml options from Lichen cottage or Scienfocus lab are common for routine cell culture work. Beyond volume, physical length can also be a significant factor. EarthOx, for example, offers a 'LONG' 338.9mm pipette, which can be advantageous for reaching the bottom of taller vessels or flasks, preventing contamination from contact with the vessel neck. Considering the specific vessel types used in your lab will inform the optimal pipette length needed.
Pros & Cons
Serological Pipette - 25ml/Red,Individually Wrapped(Case of 50)
Pros
- Constructed from thick, sturdy polystyrene material ensuring durability.
- Features high transparency for clear liquid visualization during pipetting.
- Gamma irradiated and individually wrapped, ensuring sterility for sensitive applications.
- Clear scale markings improve sampling accuracy and reduce adherence.
Cons
- Specific length not detailed, which might be a consideration for deep vessels.
- Does not explicitly mention a filter plug, potentially limiting protection for controllers.
PEKYBIO Polystyrene Serological Pipettes Individually Wrapped Sterile Plastic Graduated Pipette 50ml, Pack of 50
Pros
- Made from optically clear polystyrene, providing high transparency and robustness.
- Equipped with bidirectional (positive and negative) graduations for versatile dispensing and aspiration.
- Includes a high-quality filter plug to prevent overfilling and protect equipment.
- Individually wrapped to maintain sterility until use.
Cons
- Sterilization method is not explicitly stated as 'gamma irradiated' in the description.
- The 50ml volume might be excessive for smaller, routine liquid transfers.
EarthOx Sterile Serological Pipettes 25ml Long (Length: 338.9mm)(Individually Packaged) (20 Pipettes)
Pros
- Features an extended 'LONG' length (338.9mm) for reaching into deep vessels.
- Graduations are calibrated for accurate dispensing to within ±2%.
- Includes bidirectional and negative graduations, allowing for additional working volume.
- Individually packaged for sterility.
Cons
- Specific material type is not detailed beyond being a 'pipette'.
- Quantity (20 pipettes) is lower compared to other case sizes, potentially increasing cost per unit.
Common Mistakes to Avoid
Overlooking Sterilization Method for Sensitive Work
A common oversight is not verifying the specific sterilization method, especially for critical applications like cell culture. While many pipettes are 'individually wrapped', this does not automatically guarantee a high level of sterility. For instance, Lichen cottage and Scienfocus lab explicitly state 'gamma irradiated' sterilization, which is a gold standard for eliminating pathogens. Choosing a pipette without this specific assurance, or a less rigorous sterilization method, can inadvertently lead to contamination of sensitive samples or cultures, compromising experimental integrity.
Ignoring Bidirectional and Negative Graduations
Users frequently select pipettes without considering the full utility of their scale markings. Products like PEKYBIO, EarthOx, and Scienfocus lab offer 'bidirectional (positive and negative) graduations' and 'negative graduation'. Failing to utilize these features can lead to purchasing pipettes that are less efficient for specific tasks. For example, a negative graduation allows for aspirating a volume slightly greater than the nominal capacity, which can be crucial for precise serial dilutions or when working with slightly excess reagent volumes, thus enhancing applicability.
Disregarding Physical Dimensions for Vessel Compatibility
Another mistake involves neglecting the physical length of the pipette in relation to the laboratory vessels being used. While most pipettes are standard, EarthOx offers a 'LONG' 338.9mm pipette. Using a pipette that is too short for deep flasks or bottles can make it challenging to access the entire liquid volume without tilting the vessel or risking contamination from the pipette touching the vessel's neck. Conversely, an excessively long pipette can be awkward to handle in smaller spaces or with shorter vessels, affecting user comfort and control.
Neglecting the Presence of a Filter Plug
Many users overlook the benefit of features like a 'filter plug', as supplied by PEKYBIO. This small component is critical for protecting pipette controllers from accidental liquid aspiration, which can cause damage or cross-contamination between samples if the controller is reused. Not choosing pipettes equipped with this internal filter can lead to costly repairs of controllers or, more importantly, compromise the sterility of subsequent experiments if the controller becomes contaminated internally.