Multi-Element Check Standard Back Catalog number: 59001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59577 pH 5.0 Standard @ 25°C Price on request 67037 Carbohydrate Mix - High Level Price on request EHBCD ε-1,2,5,6,9,10-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene Price on request