Spike Sample Standard 2A (Water) Back Catalog number: 53029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16715000 Quinoxyfen, 100mg Price on request 681347 4-Chlorophenoxyacetic acid methyl ester, 100mg Price on request 675516 Nitrapyrin, 100 µg/ml, Ethyl acetate, 5ml Price on request