VPH Primary Calibration Spike Rev 1.0 Back Catalog number: 92109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9087 a,a-Dimethylphenethylamine Price on request 59924 Conductance @ 20°C [12,880 µmho/cm] Price on request 98096 Tetrachloro-m-xylene Internal Standard Price on request