Of the basic handling materials available, glass has many advantages over
metals and plastics. Glass is transparent allowing to see what is being
done and the results achieved after each operation. All volume measurements
can be performed with an acceptable degree of precision in graduated glass
beakers, burettes and syringes, eliminating all need of external measuring
devices.
Glass does not interact with any components of the perfume's formulation.
Glass is easily washable and dried and can withstand high temperatures
and thermal shock, a handy feature when preparing cosmetics and balms.
The additional costs incurred by using graduated glass will certainly
be well paid for by the ease in operation and constant quality of the
perfumes you make.
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