Technical Articles

How to wipe the microscopes

2021-06-14

​ 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

2021-06-03

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

2021-05-31

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

2021-05-25

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

2021-05-20

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

2021-05-17

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

2021-05-13

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

Why Does the Rotary Evaporator Bumping?

2021-05-10

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

2021-04-26

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...

​The Role of Kjeldahl Nitrogen Analyzer in Cosmetics Testing

2021-04-16

​TheRole of KjeldahlNitrogenAnalyzer inCosmeticsTesting Kjeldahlnitrogenanalyzer is an instrument that calculates the protein content by measuring the nitrogen content in the sample based on the principle of constant nitrogen content in p...