Aluminum, antimony, arsenic, barium, beryllium, boron, cadmium, calcium, chloride, chromium, conductivity, copper, fluoride, hardness, iron, lead, magnesium, manganese, nickel, nitrate, pH, selenium, sodium, sulfate, thallium, zinc, potassium, and silver

'aluminum':1 'antimoni':2 'arsenic':3 'barium':4 'beryllium':5 'boron':6 'cadmium':7 'calcium':8 'chlorid':9 'chromium':10 'conduct':11 'copper':12 'fluorid':13 'hard':14 'iron':15 'lead':16 'magnesium':17 'manganes':18 'nickel':19 'nitrat':20 'ph':21 'potassium':27 'selenium':22 'silver':29 'sodium':23 'sulfat':24 'thallium':25 'zinc':26

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