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
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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
Experiment for determination of total hardness of water
Total hardness (Total hardness) is the total concentration of calcium and magnesium ions in water and converted to calcium oxide for calculation. Hardness has a
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
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 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
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
Observation experiments on the basic morphological structures of pathogenic organisms
Microbial cells are small and transparent, not easy to identify under the ordinary optical microscope, they must be stained, so that the stained organisms and t
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