Perchlorate Level 1 Back Catalog number: 59339 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CFN98716 Ellagic acid, >98%, 20mg Price on request S-4274-100-TX10 PAH Solution 25 Natives in Toluene Naphthalene 0711,10 90-20-3 99.9 % 0.1 mg/ml 1-Methylnaphthalene 0712,11 90-12-0 99.9 % 0.1mg/ml Biphenyl 0341,12 92-52-4 99.0 % 0.1mg/ml 2,6-Dime Price on request 92060 8260 Internal & Surrogate Standard Price on request