A 50 ml measuring cylinder is a laboratory instrument used to measure the volume of liquids with a capacity of 50 milliliters. Here are some typical features and specifications of a 50 ml measuring cylinder:

1. Material: The cylinder is made of high-quality, heat-resistant borosilicate glass that is resistant to thermal shock and chemical corrosion.
2. Graduations: The cylinder has clear, easy-to-read graduations marked on the side of the cylinder in increments of 1 ml, allowing for accurate measurement of liquid volumes.
3. Tolerance: The cylinder has a tolerance of +/- 1 ml, meaning that measurements taken with the cylinder will be accurate to within 1 ml.
4. Dimensions: The typical dimensions of a 50 ml measuring cylinder are approximately 230 mm in height, 35 mm in diameter, and 2.0 mm in wall thickness.
5. Temperature range: The cylinder can typically withstand temperatures ranging from -50°C to 550°C without cracking or shattering.
6. Sterilization: The cylinder can be sterilized by autoclaving or by using chemical sterilization methods.
7. Cleaning: The cylinder can be cleaned using a wide range of cleaning agents, including water, soap, and alcohol.