The phrase "a complex mixture of compounds" is correct and usable in written English.
It can be used in scientific or technical contexts to describe a substance that consists of multiple different chemical components.
Example: "The analysis revealed that the sample was a complex mixture of compounds, including various organic and inorganic substances."
Alternatives: "a diverse blend of substances" or "a complicated combination of elements."
The deposit MC was a complex mixture of compounds such as MoS2, SiO2, CuS, Al2O3, and others.
Bio-oil is a complex mixture of compounds, and its detailed chemical characterization is necessary to prospect its potential uses.
The human colon is continuously exposed to a complex mixture of compounds, which is either of direct dietary origin or the result of digestive, microbial and excretory processes.
The results obtained demonstrate that ANN offers a straightforward way for retention modeling in isocratic HPLC separation of a complex mixture of compounds widely different in pKa and log Kow values.
As is evident, the smell of historic books is a complex mixture of compounds.
Upon contact with air, it begins to tarnish by forming a complex mixture of compounds depending on the conditions.
It is composed of a complex mixture of hydrocarbon compounds and a minor amount of inorganic compounds.
Cigarette smoke is a complex mixture of >3800 compounds, including high concentrations of both free radicals and chemical compounds that readily react to form other reactive substances (10, 11).
(11) When phospholipids are subjected to oxidative stress, a complex mixture of reactive compounds is formed, and it is often difficult to isolate significant amounts of individual compounds of interest.
Biomass fuel burning is an enormous problem globally, and fuels used for domestic cooking or heating emit a complex mixture of organic compounds and gasses that can include carbon monoxide, oxides of nitrogen and sulfur, aldehydes, polyaromatic hydrocarbons (PAHs), volatile organic compounds, chlorinated dioxins, and particulate matter when burned.
In commerce, creosote is a coal-tar distillate, a complex mixture of organic compounds, largely hydrocarbons.
