Internal Standard - Surrogate Mix Back Catalog number: 96032 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended GUM 11.3 Glycerol, Surface tension 63mN/m at 20°C, 30ml Price on request M326030 6α-Methyl Prednisolone 21-Acetate, 50mg Price on request 23004 EPA Method 8260B Surrogate Standard Price on request