One reason why lampblack bottles use different types of inserts is that they are designed to collect a broad range of carbon particles. The carbon produced from burning different types of fuel can vary in size, shape, and even chemical composition. An insert that works well for stove soot may not be suitable for exhaust fumes or candle soot. Consequently, different inserts are designed to adapt to different sources of carbon particles.

Another reason for using different types of inserts in lampblack bottles is to increase their efficiency. Inserts like the glass wool or silica gel can help trap tiny particles of carbon that could escape other types of inserts. A well-designed insert can improve the collection rate, reduce the amount of carbon that sticks to the walls of the bottle, and create a more uniform deposition of soot.

Finally, different types of inserts are used to make lampblack bottles more versatile. Inserts like the quartz disk or calcium carbonate disk are used to enhance the reactivity of certain types of carbon samples. By modifying the surface properties of the insert, researchers can easily study the properties and characteristics of different types of carbon particles.

In conclusion, lampblack bottles utilize different inserts for various reasons. These inserts are crucial in allowing the bottles to collect and store carbon particles efficiently and accurately. By selecting the right insert for your specific needs, you can achieve the best results and obtain high-quality carbon samples.