Here is a detailed description of a 250ml Stopper Cylinder (also known as a volumetric flask or measuring flask):
Description:
A 250ml Stopper Cylinder is a type of laboratory glassware used for precise volume measurements and mixing of liquids.
Features:
1. Capacity: 250ml
2. Material: Borosilicate glass
3. Shape: Cylindrical with a flat bottom and a narrow neck
4. Stopper: Ground glass stopper for secure closure
5. Graduations: Precise markings for accurate volume measurements
6. Accuracy: Class A or Class B accuracy (dependent on manufacturer)
7. Chemical resistance: Resistant to corrosion from most chemicals
8. Thermal shock resistance: Withstands extreme temperature changes
9. Autoclavable: Can be sterilized in an autoclave
10. Durable: Long-lasting and resistant to wear and tear
Uses:
1. Laboratory research
2. Chemical analysis
3. Pharmaceutical processing
4. Quality control
5. Educational purposes
Benefits:
1. Accurate measurements
2. Easy to use
3. Durable and long-lasting
4. Resistant to chemicals and thermal shock
5. Autoclavable for easy sterilization