Johnson Johnson Oil Quality Test Strip, 245.1, J-Quant, 0 to 6% FFA, 100 Strips/Pack The J-Quant Oil Quality Test Strips 0-2.5% and 0-6% are easy to semi-quantitatively measure cooking oil's free fatty acid content. They require no pre-sampling and can be used directly in the cooking... Quick view Qty in Cart: 0 Price: Log in for pricing and quote Subtotal: