Page 8 - کاتالوگ 3_Neat
P. 8
After extracting rose water, some of the
obtained rose water is sent to the
laboratory to perform various tests and
ensure its standard.
In the laboratory, appearance
characteristics such as color, smell and
taste, chemical characteristics such as pH,
acid number, relative density, amount of
essential oil, oxidation rate, ethanol and
methanol, and microbial characteristics
and pollutants are examined.