What is the difference between the petri dish and the evaporator?

Petri dish is a laboratory vessel for microbiological or cell culture , consisting of a flat disc-shaped bottom and a lid, made of glass or plastic. Petri dish material is basically divided into two categories, mainly plastic and glass, glass can be used for plant materials, microbial culture and animal cell adherent culture may also be used. Plastic may be made of polyethylene material , one-time and multiple use, suitable for laboratory inoculation, scribing, separation of bacteria operation, can be used for plant material culture.

Is a laboratory vessel for microbiological or cell culture , consisting of a flat disc-shaped bottom and a lid, made of glass or plastic. It was originally made in German bacteriologist Robert Koch biologist who worked Julius Richard Petri designed in 1887 (Julius Richard Petri, 1852-1921), it is also known as the "Pater "". Petri dish is fragile and fragile, so be careful when cleaning and taking it. The finished Petri dish is best cleaned in a timely manner, stored in a safe, fixed position, to prevent damage, and to break the

pan (mǐn) can be used to evaporate the concentrated solution or burn the solid vessel. Mouth shallow, with round bottom and flat bottom handle of the two. The most commonly used for the porcelain evaporative dish, also made of glass, quartz, platinum and other made. Different materials, corrosion resistance is different, should be based on the nature of the solution and the appropriate use of solid. Good stability to acid and alkali. Can be high temperature, but not cold.

 

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