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LABORATORY NOTES - ASTA
The Biuret test is used to detect the presence of peptide bonds in proteins. It can be carried out in several ways: 1. Addition of a Biuret reagent. 2. Addition of sodium hydroxide and copper sulfate solutions. If protein is present, the solution turns from blue to purple due to …
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SOP Diluting Concentrated Hydrochloric Acid - ASTA
assist.asta.edu.auConcentrated hydrochloric acid (HCl) is a hazardous chemical and must be handled with care. It is a strong inorganic acid which is highly corrosive, poisonous, and toxic. It is a colourless or slightly yellow liquid with a strong pungent odour and produces fumes at high concentrations.