The US EPA method 502.1 is an analytical method that uses a purge & trap device for sample prep and a gas chromatograph equipped with a packed column to perform the separation of the volaile halogenated components found in a 5 mL sample of drinking or rawsource water. To detect the GC eluant, a Hall detecor is used.

Volatile Organics Combination Mix Analyte Mixes D 
4种液体有机挥发物混标 

1,4-Dichlorobenzene 
cis-1,3-Dichloropropene 
2,2-Dichloropropane 
trans-1,3-Dichloropropene 

Catalog#: 5021-DH：1.2 mL @ 2000 µg/ml in METH-P&T 

Catalog#: 5021-DH-4：1.2ML X 4 PACK 

Catalog#: 5021-D：1.2 mL @ 200 µg/ml in METH-P&T 

Catalog#: 5021-D-4：1.2ML X 4 PACK

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