Acetic acid - acidity - alkalinity - aluminium - ammonia - bicarbonate - calcium - chloride - chlorine - chlorine (free) - chromium III - chromium VI - copper - cyanide - fatty acids (volatile) - fluoride - formaldehyde - hardness - hydrochloric acid - hydrogen fluoride - hydrogen peroxide - hydroxide - iron II - iron III - lime - magnesium - nitrite - oxalic acid - phosphoric acid - potassium hydroxide - sodium hydroxide - sodium hypochlorite - sulphate - sulphide - sulphite - sulphuric acid - total hardness - volatile fatty acids