This is an Application Brief and does not contain a detailed Experimental section.
Large quantities of carbonyl compounds are used worldwide, primarily in the chemical and plastics industries. Demonstrated to be potentially carcinogenic, these compounds have been found in industrial waste where they can to leach into groundwater supplies.
Large quantities of carbonyl compounds are used worldwide, primarily in the chemical and plastics industries. Demonstrated to be potentially carcinogenic, these compounds have been found in industrial waste where they can to leach into groundwater supplies and contaminate drinking water.
Instrument: |
Waters Alliance HPLC system with UV detection |
Eluent: |
Water/tetrahydrofuran/acetonitrile |
Column: |
Waters XBridge Phenyl, 3.5 μm, 4.6 x 150 mm @ 35 °C |
Injection: |
20 μL each of AccuStandard mix (M- 8315-R1- DNPH and M- 8315-R2- DNPH) diluted 1:5 in 40:60 water/acetonitrile |
Flow Rate: |
1.5 mL/min |
Detection: |
UV @ 360 nm |
Data: |
Waters Empower software |
DNPH reagent added to 100 mL sample, extract with Oasis HLB or use methylene chloride extraction option.
Filter and degas through a 0.45 μm filter.
A: 90% water, 10% tetrahydrofuran (THF) Mix 900 mL water and 100 mL stabilized THF.
B: Acetonitrile
Time |
Flow |
%A |
%B |
Curve |
---|---|---|---|---|
Initial |
1.5 |
70 |
30 |
- |
20 |
1.5 |
36 |
64 |
6 |
22 |
1.5 |
36 |
64 |
6 |
22.1 |
1.5 |
70 |
30 |
6 |
Time |
Flow |
%A |
%B |
Curve |
---|---|---|---|---|
Initial |
1.5 |
70 |
30 |
- |
16 |
1.5 |
53 |
47 |
6 |
21 |
1.5 |
53 |
47 |
6 |
21.1 |
1.5 |
70 |
30 |
6 |
720002732, August, 2008