Measurement of formaldehyde and ammonia in indoor air
Formaldehyde is a colorless, irritating and water-soluble gas that binds to proteins. Inhalation of high concentrations of formaldehyde can cause severe irritat
Knowledge Base
Laboratory Protocols & SOPs Library
3,200+ step-by-step lab protocols and SOPs for cell culture, staining, PCR, protein work and microbiology, with reagents, conditions and evaluation criteria.
3228 articles
Experiment for determination of total solids in water
Total solids in water (Total solid, referred to as TS), also known as the total evaporation residue, is in the prescribed conditions, water samples evaporation
Atmospheric NOx Measurement Experiment
Nitric oxides (Nitric oxides) in the air are NO, NO2, N2O, N2O3, N2O4, N2O5, etc., of which NO and NO2 are the main forms. Nitrogen oxides are generally generat
Activated carbon adsorption experiment
When the activated carbon adsorbs impurities in water, adsorption and desorption phenomena will occur at the same time, when the adsorption and desorption are i
coagulation experiment
Colloidal particles in the water are small or charged and stable in the water and difficult to settle, can be added to the coagulant in the water, destroying th
Measurement of hexavalent chromium in water
The common valence states of chromium compounds are trivalent and hexavalent. In water bodies, hexavalent chromium generally exists in the form of CrO42-, Cr2O7
Guidance and recording of potentials of sciatic nerve trunk action
The experimental method was obtained from the official website of the Fourth Military Medical University
Measurement of fluoride ion in water
Fluoride (F-) is one of the necessary trace elements for human body, and lack of fluoride is prone to dental caries. Fluoride content in water is one of the imp
Measurement of chloride ions in water
Chloride ion measurement tests in water can be used to: test the quality of water, which, when high, can damage metal pipes and structures and prevent plant gro