... , gypsum, silver nitrate, ammonium phosphate, ammonium sulphate, ammonium thiosulphate, ion Exchange Resin, sodium chloride, Anthracene, sodium chlorate, aspirin, sodium formiate, ... scroll and other main parts are made of stainless or titanium materials resisting corrosion. The cone angel of the ... bowl is 10° or 20°.2. The reversed cone ring designed particularly at ...