泰通科技
What should be paid attention to when using the Analytical balance
2021-02-24
Before weighing, it is necessary to check whether the balance is normal, whether it is in a horizontal position, whether the lifting lugs and ring codes have fallen off, and whether the inside and outside of the glass frame are clean. Analytical balance is an indispensable and important instrument in quantitative analysis, which generally refers to a balance that can accurately weigh 0.0001g (0.1mg). When using, it is important to pay attention to the following precautions:
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Factors affecting the measurement of atomic fluorescence spectrophotometer
2026-04-10
At present, the analysis method of atomic fluorescence photometers has been widely applied in various fields such as health inspection, agriculture, metallurgy, geology, environmental protection, medicine, etc. Therefore, conducting the verification and calibration of atomic fluorescence photometers is an inevitable requirement for the metrology and testing industry to adapt to the development of analytical technology.
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How many systems are there for mass spectrometry detectors
2026-04-10
The potentiometric titration method has many advantages over the volumetric analysis method using indicators. First, it can be used for the titration of colored or turbid solutions, but the use of indicators is not acceptable; In the absence or lack of indicators, use this method to solve the problem; It can also be used for dilute test solutions or situations where titration reactions are not complete enough; High sensitivity and accuracy, and can achieve automation and continuous measurement. Therefore, it has a wide range of uses.
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Fat meter allows you to understand your health issues
2026-04-10
The correct method for detecting the content of body fat, or fat percentage, is to immerse the entire body in water, measure the drainage rate (volume), and then calculate the specific gravity of the body based on its weight, thereby inferring the body's fat percentage. But in daily situations, this method is not very practical. The water content of the human body is about 70%, and the vast majority of this water is present in the blood, lean meat, and internal organs, while the water content in fat is extremely low. Water in the body exhibits low electrical resistance due to the dissolution of various components, while fat exhibits high electrical resistance. Therefore, the ratio of fat to water in the human body affects the electrical resistance of the body. If the synthetic electrical resistance of fat and water is considered, the electrical resistance value of the body with more fat is higher.
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