... , protein, polymer latex, preparation of pharmaceutical, water/oil emulsion, paint, coating material, pigment, ink, toner, cosmetics and other fields ... all less than 3%, other indexes are up to the International Standard ISO 13321. Fast testing: just spend less than 5 ... less than 10% which is requested by International Standard ISO13321.Test result of 150nm Standard sample is 146.18nm,error range is ...