Determination of absorbance values of solutions by spectrophotometer
absorbance
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Experiments on the preparation of sodium bicarbonate and bismuth subcarbonate powder (Xipi's powder II)
Dispersions are dry powdery preparations of drugs or with suitable excipients made by crushing and uniform mixing for internal or topical use. Internal dispersi
Determination of cytochrome b5
Cytochrome b5 is a cytochrome deposited in the endoplasmic reticulum membrane of higher animals. It can be purified from rabbit liver microsomes. Because it is
PPO Activity Measurement
PPO activity assay can be applied to (1) study the physiological mechanism and regulation of PPO. (2) To understand the relationship between enzyme activity and
Multi-residue assay of 446 pesticides in fruits and vegetables
China has made great progress in recent years in the series determination of many kinds of pesticide residues. Source: Food Safety Monitoring Technology (Chemic
Experimental effects of temperature and pH on salivary amylase activity
This experiment takes the action of salivary amylase on starch at different temperatures and pH as an example to observe the effect of temperature and pH on the
Rapid screening and determination of 105 pesticide residues in apple juice concentrate
In recent years, China has made great progress in the series of determination of various pesticide residues, and has issued four national standard methods. For
Silica G Thin Layer Chromatography of Sugars
(Source: Laboratory instruction in biochemistry and molecular biology, Shao Xueling et al., Wuhan University Press, 2003)
Experimental determination of b-agonist residues in liver, kidney and meat
Beta-agonists, chemically belonging to the phenylethanolamine group, are chemical analogs of catecholamines, epinephrine and norepinephrine. Source: Food Safety