How to Protect the Nitrogen Blowing Instrument

1. Do a good job of protecting hands and face During the heating process of the sample, the hot water in the waterproof bath splashes out and burns the hands and eyes. Before the operation, it is necessary to protect the hands and face, and...

How to wipe the microscopes

​ The microscope is a precision optical instrument. Do not disassemble the parts and components randomly, so as not to affect the operating efficiency and accuracy or damage it. If the microscope is faulty, it should be inspected and repa...

How to use optical refractometer

Optical refractometer is a precision instrument with high precision and reliability, especially suitable for measuring the freezing point of glycol solution as antifreeze and glass water and the weight of electrolyte. 1. Point the front end...

Blood centrifuge operation steps

Blood centrifuge operation steps 1. When using various centrifuges, the centrifuge tube and its contents must be precisely balanced on the balance in advance. The weight difference during balance shall not exceed the range specified in the...

How to wipe the microscope

How to wipe the microscope The microscope is a precision optical instrument. Do not disassemble the parts and components randomly, so as not to affect the operating efficiency and accuracy or damage it. If the microscope is faulty, it shoul...

Reason Why Snowflake Ice Maker Keeps Draining During Work

The ice maker is a refrigeration mechanical equipment that generates ice after being cooled by the refrigerant in the refrigeration system of the evaporator. The adopted refrigeration system, the principle and production method of the evapo...

​Influences of Improper Operation of Vacuum Drying Oven on Test

InfluencesofImproper Operation of Vacuum DryingOvenon Test The vacuum drying oven is atraditionaldrying device, and the inside of the oven is divided into several layers by heating plates. The vacuum drying oven uses the actual temperature...

Laboratory equipment list

This is the list of laboratory instruments and equipment of the Centers for Disease Control and Prevention...

Why Does the Rotary Evaporator Bumping?

Why Does theRotaryEvaporatorBumping? Rotary evaporator, also known as rotary evaporation machine, is a commonly used equipment in laboratories. It consists of a motor, distillation flask, heating pot, condenser and other parts, whichis main...

Common Faults and Solutions of Lab Freezer

Common Faults andSolutionsofUltra-lowTemperatureFreezer Although the refrigeration system and control circuit of the ultra-low temperature freezer are relatively complicated, the common faults are mainlycaused bythe circulation system and t...

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