pH 9.0 Standard @ 25°C Back Catalog number: 59628 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677573 Hexamethylphosphoric Triamide, 5ml Price on request LA11457530CY Chloroparaffin C12 45.32% Cl, 10μg/mL in CY, 1ml Price on request 97179 Internal & Surrogate Standard 8260B Price on request