MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Calcium carbonate label. An example of the type of labelling used on laboratory chemicals. The information provided shows the assay results for calcium carbonate solution. An assay is a procedure whereby a property or concentration of a particular chemical is measured. Labels showing assay test results enable the person using the chemical to know its exact make-up and concentration. This is important as such properties can affect the outcome of chemical reactions.
Model release not required. Property release not required.