Hydrchloric acid Aluminium (Al) <= 1 ppb Antimony (Sb) <= 0.5 ppb Arsenic (As) <= 0.5 ppb Assay (w/w %) >= 34 and <= 37 % Barium (Ba) <= 0.1 ppb Beryllium (Be) <= 0.1 ppb Bismuth (Bi) <= 0.1 ppb Boron (B) <= 1 ppb Bromide (ppm) <= 10 ppm Cadmium (Cd) <= 0.1 ppb Caesium (Cs) <= 0.1 ppb Calcium (Ca) <= 1 ppb Cerium (Ce) <= 0.1 ppb Chromium (Cr) <= 0.5 ppb Cobalt (Co) <= 0.1 ppb Colour <= 10 APHA Copper (Cu) <= 0.5 ppb Dysprosium (Dy) <= 0.1 ppb Erbium (Er) <= 0.1 ppb Europium (Eu) <= 0.1 ppb Free chlorine (ppm) <= 0.5 ppm Gadolinium (Gd) <= 0.1 ppb Gallium (Ga) <= 0.1 ppb Gold (Au) <= 0.5 ppb Hafnium (Hf) <= 0.1 ppb Holmium (Ho) <= 0.1 ppb Indium (In) <= 0.1 ppb Iron (Fe) <= 1 ppb Lanthanum (La) <= 0.1 ppb Lead (Pb) <= 0.1 ppb Lithium (Li) <= 0.1 ppb Lutetium (Lu) <= 0.1 ppb Magnesium (Mg) <= 0.5 ppb Manganese (Mn) <= 0.1 ppb Mercury (Hg) <= 0.1 ppb Molybdenum (Mo) <= 0.1 ppb Neodymium (Nd) <= 0.1 ppb Nickel (Ni) <= 0.5 ppb Niobium (Nb) <= 0.1 ppb Palladium (Pd) >= 0 ppb Platinum (Pt) >= 0 ppb Potassium (K) <= 1 ppb Praseodynium (Pr) <= 0.1 ppb Rhenium (Re) <= 0.1 ppb Rhodium (Rh) <= 0.1 ppb Rubidium (Rb) <= 0.1 ppb Ruthenium (Ru) <= 0.1 ppb Samarium (Sm) <= 0.1 ppb Scandium (Sc) <= 0.1 ppb Selenium (Se) <= 1 ppb Silver (Ag) <= 1 ppb Sodium (Na) <= 1 ppb Strontium (Sr) <= 0.1 ppb Tantalum (Ta) >= 0 ppb Tellurium (Te) <= 0.1 ppb Terbium (Tb) <= 0.1 ppb Thallium (Tl) <= 0.1 ppb Thorium (Th) <= 0.1 ppb Thulium (Tm) <= 0.1 ppb Tin (Sn) <= 0.5 ppb Titanium (Ti) <= 0.5 ppb Total phos