OSHA Method 62: GC Analysis of Organophosphorus Pesticides (OP-Pest) on SPB®-20 after Collection/Desorption using ORBO™-49P
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Determinazione del prezzo
ORBO™ 49P (OVS) Supelpak™-20 sottoposto a speciale trattamento Amberlite™ XAD®-2 (20/40), 270/140 mg
RC,GFF,F,F (specially cleaned) separators, O.D. × L 13-8 mm × 75 mm , OSHA Versatile Sampler (OVS) Tube, pkg of 10 eaCONDITIONS
adsorbent tube
ORBO-49P (20350)
column
SPB-20, 60 m × 0.53 mm I.D., 1.0 μm film (available on request)
oven
200 °C (2 min) to 250 °C at 4 °C/min
detector
FPD, 300 °C
carrier gas
helium, 8 mL/min
injection
1 μL direct injection, 220 °C (packed column injector)
sample
calibration standard: 12 μg/mL each pesticide, 78 μg/mL tributyl phosphate (int. std.) in hexane (blank: 270 mg Supelpak 20, glass fiber filter desorbed in toluene + 78 μg/mL tributyl phosphate.)
Descrizione
Note legali
ORBO is a trademark of Sigma-Aldrich Co. LLC
SPB is a registered trademark of Merck KGaA, Darmstadt, Germany