The tariff classification of 410-215g Peroxyl Sulphate and 410-1kg Peroxyl Sulphate; 415-500ml Iron Chloride, 415-1L Iron Chloride, 415-4L Iron Chloride and 415-22L Iron Chloride; 416-50ml Sensitizing Emulsion, 416-100ml Sensitizing Emulsion and 416-15g Sensitizing Emulsion; 418-500ml Photographic Chemical from Canada
The tariff classification of Potassium Peroxymonosulfate from Canada.
The tariff classification of Potassium Hydrogen Peroxymonosulfate and Potassium Monopersulfate (CAS# 70693-62-8) from China
The tariff classification of ammonia persulfate from China.