US EPA Method 625: GC Analysis of Semivolatiles on SLB®-5ms
Materials
analytical column
accessory
Product No.
Description
Pricing
Wheaton wide-mouth bottle
amber soda-lime glass bottle, capacity 1000 mL, white polypropylene cap, (PTFE faced LDPE liner), case of 12 eaguard column
Product No.
Description
Pricing
standard
Product No.
Description
Pricing
EPA 8270 GC-MS Tuning Solution II
certified reference material, 1000 μg/mL each component in dichloromethaneEPA 625 Semivolatile Calibration Mix
1000 μg/mL each component in methylene chloride: benzene (3:1), analytical standardEPA CLP Semivolatiles Surrogate Standards Mix
certified reference material, 4000 μg/mL each component in methylene chlorideEPA 8270 Semivolatile Internal Standard Mix
certified reference material, TraceCERT®, 2000 μg/mL each component in methylene chloride, ampule of 2 × 1 mLCONDITIONS
column
SLB-5ms, 30 m x 0.25 mm I.D., 0.25 μm (28471-U)
oven
40 °C (2 min), 22 °C/min to 240 °C, 10 °C/min to 330 °C (5 min)
inj. temp.
250 °C
MSD interface
330 °C
scan range
m/z = 40-450
carrier gas
helium, 1 mL/min constant (10 min), ramped to 1.5 mL/min, hold for remainder of run
injection
1 μL, pulsed (15 psi until 0.10 min) splitless (0.50 min)
liner
4 mm I.D., single taper
sample
79 component semivolatile standard (each at 50 ppm), plus 6 internal standards (each at 40 ppm) in methylene chloride
Description
Legal Information
SLB is a registered trademark of Merck KGaA, Darmstadt, Germany