Overview
Extended Pasteur pipettes are specialized laboratory tools designed for precise liquid handling. They are elongated versions of standard Pasteur pipettes, allowing users to reach deeper into containers, such as test tubes or flasks. These pipettes are essential in various scientific fields, including chemistry, biology, and medical research. Made from either glass or plastic, extended Pasteur pipettes come in disposable and reusable forms. Their extended length makes them particularly useful for applications where standard pipettes cannot reach, such as in deep-well plates or tall storage vessels.
Structure and Working Principle
The extended Pasteur pipette consists of a narrow, tapered tube with a bulb at one end for suction. The elongated design allows for deeper access into containers while maintaining the precision of standard pipettes. The bulb is typically made of rubber or silicone, enabling users to create suction for drawing and dispensing liquids. These pipettes operate on the same principle as standard Pasteur pipettes, relying on manual suction control to handle small liquid volumes. The extended length does not compromise functionality but enhances versatility in specific laboratory scenarios.
Key Features
Extended Pasteur pipettes offer several key features that make them indispensable in laboratories. Their elongated design provides unmatched reach, making them ideal for deep containers. They are available in glass and plastic, with glass variants being heat-resistant and plastic ones being disposable and cost-effective. These pipettes are also lightweight and easy to handle, ensuring precision in liquid transfer. Some models include graduated markings for approximate volume measurements, adding to their utility in various lab applications.
Application Areas
Extended Pasteur pipettes are widely used in chemistry, biology, and medical laboratories. They are particularly useful in situations requiring precise liquid transfer in deep or narrow containers, such as test tubes, flasks, and microplates. In medical labs, they are used for handling biological samples, while in chemistry labs, they assist in transferring reagents. Their versatility also extends to educational settings, where they are used for teaching basic laboratory techniques.
Maintenance and Precautions
Proper maintenance of extended Pasteur pipettes ensures their longevity and performance. Glass pipettes should be cleaned thoroughly after each use to prevent contamination. Plastic pipettes, if reusable, should be inspected for damage before reuse. Handling precautions include avoiding excessive force to prevent breakage, especially with glass pipettes. Disposable pipettes should be discarded according to laboratory waste disposal protocols to maintain safety and hygiene.
B2B Procurement Guide
When procuring extended Pasteur pipettes in bulk, consider factors such as material, length, and volume capacity. Glass pipettes are suitable for high-temperature applications, while plastic ones are ideal for disposable use. Verify the pipette's length to ensure it meets your specific needs. Purchasing from reputable suppliers guarantees quality and consistency. Compare prices and request samples if possible to evaluate the product before large-scale procurement. Bulk orders often come with discounts, so negotiate for the best deal.
Related Manufacturers
- 主营：igg抗体、糖蛋白、试剂盒、3ml加长巴氏吸管、脂蛋白、人瘦素、粗纤维、猪睾酮、烯二酮、nad激酶、测试盒、牛瘦素、牛胆酸、原果胶、磷酸酶、犬肾素、含水量、人蛋白、甜菜碱、igm抗体、dna抗体、磷脂酶、大鼠超、犬叶酸、人胆酸、样受体
- 主营：检测方、钠尿肽、试剂盒、3ml加长巴氏吸管、同源物、ep300检测、结合蛋白、大鼠c-肽(、微球蛋白、抗胰蛋白酶、淋巴瘤因子、蛋白磷酸酶、死亡激动剂、核心域蛋白1、大鼠e选择素、大鼠janus激酶、激活蛋白激酶、大鼠ⅱ型胶原、大鼠ⅳ型胶原、大鼠klotho蛋白、细胞激活因子、大鼠ⅲ型胶原、大鼠nadh脱氢酶1、大鼠ⅵ型胶原α1、elisa 检测试剂盒
- 主营：Elisa试剂盒、PCR试剂盒、PCR检测、3ml加长巴氏吸管、PCR检测试剂盒、核酸检测试剂盒、荧光定量检测试剂盒、荧光定量试剂盒、比色法检测试剂盒、生化试剂盒、比色法试剂盒、酶活性比色法检测试剂盒、酶活性检测试剂盒、微量法检测试剂盒、分光光度检测试剂盒、酶活分光光度试剂盒、ELISA试剂盒、ELISA检测、酶联免疫试剂盒、酶联免疫检测试剂盒、酶联免疫、细胞、抗体
- 主营：酶cγ链、α2巨球、素d合成、3ml加长巴氏吸管、纤连蛋白、抗组蛋白、肌醇抗体、蛋白样环、敏感蛋白、牛骨钙素、蛋白重链、金属肽酶、乳球蛋白、钩端螺旋、蛋白激酶、高血糖素、钙调蛋白、小鼠α1抗、ELISA试剂盒、pcr检测试剂、生化检测试剂
- 主营：ELISA试剂盒、PCR试剂盒、生化试剂盒、3ml加长巴氏吸管、蛋白、抗体、细胞
- 主营：酶标条、酶标板、移液器、200加长、凸面带、锥形瓶、pcr八连、聚丙烯、管管盖、移液管、过滤板、培养皿、吸头盒、冷冻管、培养瓶、离心瓶、深孔板、pcr管盒、连排管、反应板、八连管、避光管、螺口管、带滤芯、离心管
- 主营：离心瓶、冻存管、冻存盒、巴氏吸管、细胞过滤器、乳胶手套、丁腈手套、淋洗液发生罐、样品瓶、导电吸头、移液管、采样锥、截取锥、离子色谱柱、离子抑制器、萃取池、氘灯、石墨管、萃取小柱
- 主营：移液管、离心瓶、深孔板、巴氏吸管、乳胶手套、离心管、滤芯吸头、丁腈手套、生物磁珠、冻存盒、冻存管、色谱柱、石墨管、抑制器、500ml离心瓶
- 主营：elisa试剂盒、生化试剂盒、抗体、3ml加长巴氏吸管、细胞、pcr试剂盒
- 主营：离心瓶、培养皿、培养瓶、巴氏吸管、螺口管、冻存管、离心管、灭菌吸头、滤芯吸头、导电吸头、滤芯吸嘴、工作站吸头、无热源吸头、细胞移液管、细胞培养板、灭菌枪头盒、移液器吸头、三角细胞摇瓶
- 主营：抗体、酶联免疫试剂盒、elisa试剂盒、3ml加长巴氏吸管、pcr试剂盒、核酸试剂盒
- 主营：食品罐、pet塑料、试纸卡、巴氏吸管、吸管塑料、采便管、塑料桶、眼药水、喷雾瓶、塑料卡、液体瓶、金标卡、检测卡、塑料瓶、塑料采便、塑料试管、测孕卡壳、婴儿奶瓶、幼婴奶瓶、洗手液瓶、塑料滴管、塑料喷壶、嘉盛塑料、喷雾喷瓶、塑料喷瓶
- 主营：10ul吸头、离心管、透析袋、巴氏吸管、琼脂糖、国产试剂
- 主营：2ml冻存管、5ml样品瓶、淋洗液发生罐、巴氏吸管、八联管、试剂槽、细胞过滤器、冷冻管、无粉乳胶手套、移液器、离心管、丁腈手套、棕色冻存管、细胞培养锥形瓶、移液管、冻存盒、2mL样品瓶、冻存管
- 主营：ELISA试剂盒、细胞培养系列、PCR相关、巴氏吸管、透析袋系列、实验耗材系列、实验室试剂系列