Method 1640 Tuning Standard Back Catalog number: 52147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50139 IC Mix Price on request 20040 CLP Surr. Standard #2, 200ug/mL in Acetone, 1ml Price on request S-4215-1MLX5 ISO 9377-2 Mixture of Mineral Oils A+B without additives Mixture 1:1 (neat), 1mL, 5x1mL Type A: Diesel fuel without additives Type B: Lubricant oil without additives Price on request