The question doesn't make a lot of sense, but determining the percentage of gold (or anything else) in something would generally be thought of as analytical chemistry or possibly inorganic chemistry.
alchemy
The branch of chemistry that studies carbon compounds is referred to as Organic Chemistry. This branch is also called the study of life.
It is chemistry.
Organic Chemistry
physical chemistry is the branch of scince and which deal with the petroliume
Chemistry
This branch of chemistry is called analytical chemistry.
The branch of chemistry that studies carbon compounds is referred to as Organic Chemistry. This branch is also called the study of life.
This branch is called organic chemistry.
Chemistry and physics are both branches of natural sciences.
chemistry briefly
It is chemistry.
organic chemistry, the chemistry of carbon based material
Organic Chemistry
This branch of chemistry is called electrochemistry.
Organic chemistry (and of course biochemistry) is the branch involving carbon based molecules.
Chemists specialized in this branch of chemistry.
This is inorganic chemistry.