Why does the biochemical incubator freeze?

The biochemical incubator has a cooling function. The equipment will freeze and block in the process of use. The main reasons for this phenomenon are as follows: 1. There is too much water in the refrigerant, and the charging will cause ice...

Precautions when using rotary evaporator

Precautions when using rotary evaporator: 1. When using, first draw a small vacuum (about 0.03MPa), and then open and rotate to prevent the distillation flask from slipping. When stopping, stop the rotation first, hold the distillation flas...

Maintenance of the incubator

1. The surface of the constant temperature incubator should be scrubbed frequently to keep it clean. Avoid the side of the instrument control box when scrubbing, so as not to drip water into the instrument and damage the instrument. 2. For...

The correct inspection method of vacuum pump

The correct inspection method of vacuum pump: 1. See if the main technical performance (vacuum degree, etc.) of the vacuum pump meets the design requirements or process requirements, whether the auxiliary equipment such as the condenser is...

Muffle furnace safe use method and precautions

Muffle furnace is a kind of industrial general heating equipment. It is also very common in many types of laboratories. According to the appearance and shape, it can be divided into box furnace, tube furnace and crucible furnace. 1. The ref...

Maintenance of stainless steel distilled water

1. The electrical part of the distilled water device should be inspected regularly and reliably grounded. 2. The distilled water device must be operated by a special person, and it must be explained in detail when replacing the new operator...

How to distinguish a good quality ultrasonic cleaner

What are the characteristics of a high-quality ultrasonic cleaner? A high-quality ultrasonic cleaner should have extremely simplified operation, and the cleaning efficiency and effect are also superior to ordinary cleaners. 1.Check the powe...

How to disinfect and sterilize a pipette

There is a certain difference between pipette disinfection and sterilization: sterilization only requires that the live bacteria on the pipette be controlled within a certain range to reach a harmless level; sterilization is more stringent,...

Meteorological chromatograph structure and principle

Meteorological chromatograph structure and principle GC carrier gas structure provided by the carrier gas cylinder, flow through the rotor flowmeter detector and a carrier gas flow regulator valve steady flow to the sample after the gasific...

Fat analyzer-Nanbei

Fat Analyzer -Nanbei I:Description SZT(F)06A/BFatAnalyzerisdevelopedbasedontheprincipleofSoxhletextractionandweightmeasurement,andtheprocessincludesoaking,extraction,rinse,heating,condensationandsolventreclaim.Heatingprocessisdoneinas...

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