Pipette

Introduction - Description of the pipette for laboratory glassware

- General characteristics of pipettes 1. Description of the device - Pipettes Purpose and use of pipettes in laboratory research Every day in medical laboratories a large number of pipettes are used. Their main task is to mix and store various solutions on the researcher’s desktop. Pipiettes vary in size and design. They have a narrow or wide neck, mainly a device: disposable or reusable. They are made of glass without additional coating or using a polymer material inside the container 2. Types of pipettes and their application The variety of pipettes can cause some difficulties in their classification. However, they can be grouped according to the following criteria: size, design, material, disposability and hole sizes. Pipette sizes are measured in milliliters. The most common sizes: 0.1; 1; 5; 8; 20; 30 and 50 ml. There is also one non-standard pipette for taking small volumes - the Moses pipette. It can measure from 0.02 to 0.1 ml at a time. 3. What is it used for? A) Nourish ◊ When mixing reagents. ☐ With a small pipette you can accurately measure the required amount of substance. B) Cleaning pipettes from contamination; C) Preparation of buffer solutions for storing nutrient media; D) adding a nutrient medium to the culture flask; E) measuring a small amount of liquid and introducing it into the reaction mixture; E) the pH of the medium can be determined; G) separation