2,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 97044 VOC Standard, 100g/ml in MeOH : water [9:1], 1ml Price on request 8542-K-ME Tallow trimethyl ammonium chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 50644 Multi-Element Solution 1 Price on request