pH 9.0 Standard @ 25°C Back Catalog number: 59337 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92580 Herbicide Acid Standard Price on request 11908.20-1G Fluorescein (free acid),neat,neat,1g, Price on request S-4356-10-5ME ISO 8165-2 Internal Control Stock Solution 2 S-4356 2,5-Dibromophenol [28165-52-8] 2470,6, 10 µg/mL in methanol, 5ml Price on request