Lovibond AF417 QAC Mini KitThe titrimetric method (0 500 mg l) is based on the Tablet Count Method. The control test at 200 mg l is based on the Yes No method. It can also be used as a simple control test for QAC levels at 200 mg l, a commonly used concentration. Range: QAC (Qaternary ammonia compounds) 20 500 mg L QAC Delivery Content Kit in a plastic box Tablet reagents for an average of 30 tests Sample container Required accessories Instruction manual Sku: 414170