Table 22.

Silver uses and properties [37, 39, 41,63].

Properties	•Density: 10.5 g/cm3, •65th most abundant metal, • It is found in minerals such as: ◦ Argentite which is found at high temperatures and is made of made of cubic silver sulphide; ◦ Acanthite which is found at normal temperatures and is made up of monoclinic silver sulphide; ◦ Chlorargyrite which is made up of silver chloride and also goes by the name of horn silver and cerargyrite, •Good conductor in heat and electricity •Tarnishes in air due to hydrogen sulphide
Uses	•Jewellery; •Silver bromide and silver iodide in photography, •Mirrors, •Tableware, •Dentistry •Life-long batteries, •Electricity industry •Dressings and sprays due to its antibacterial properties which aids to kill lower organisms, •Deodorants to help with unpleasant odours, •Gloves which are suitable for touchscreens
Effects on humans	•Corneal injury by liquid silver direct contact, •skin irritation, •allergic dermatitis, •argyria which can make the skin turn a purple-grey colour, • Inhalation causes: ◦ dizziness and headaches, ◦ breathing problems, ◦ respiratory inflammation, ◦ confusion and staggering, ◦ drowsiness, ◦ unconsciousness, ◦ coma, ◦ death, • Ingestion of the metal will cause: ◦ nausea and vomiting, ◦ diarrhoea, ◦ stomach discomfort, ◦ narcosis, ◦ cardiac abnormalities, ◦ brain damage
Food source	•Whole grains, •Fish, •Mushrooms, •Milk