[A]rm's length has generally been defined to mean that there are no bonds of dependence, control or influence, between the corporation and the person in question.. In MNR v Sheldon, Justice Esson of Canada's Supreme Court wrote:
Analytical chemistry focuses on the chemical composition and function of matter. Analytical chemists are concerned with reaction rates and levels of chemicals in different types of matter. For example, an analytical chemist might test a patient's blood to investigate how a medication is working.
Chemistry is the branch of science which deals with the properties,  composition and the structure of matter. It also deals with  chemical reactions, changes in matter, and â¦ the principles which  govern these changes.In more simple terms it is about substances,  how they behave and how we can make new substances.hemistry is the science of atoms, molecules, crystals and other aggregates of matter and the chemical processes that change their energy and entropy levels as also their structure and composition.