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Guard columns channeling

Figure 10.34 Separation of brornate at trace level in an unfortified and a fortified municipal drinking water sample using 1C x 1C according to EPA Method 302.0. First-channel conditions - separator column lonPac AS19 with guard column dimensions 250 mm x 4 mm i.d. column temperatures 30°C eluent KOH (EG) gradient 10 mmol/L isocratic from 0 to 12 min and then step to 65 mmol/L and isocratic for 12-35 min flow rate 1 mL/min detection suppressed conductivity injection volume lOOOpL. Second-channel... Figure 10.34 Separation of brornate at trace level in an unfortified and a fortified municipal drinking water sample using 1C x 1C according to EPA Method 302.0. First-channel conditions - separator column lonPac AS19 with guard column dimensions 250 mm x 4 mm i.d. column temperatures 30°C eluent KOH (EG) gradient 10 mmol/L isocratic from 0 to 12 min and then step to 65 mmol/L and isocratic for 12-35 min flow rate 1 mL/min detection suppressed conductivity injection volume lOOOpL. Second-channel...
Figure 10.49 Second-channel separation of perchlorate in a well water sample using ICx 1C according to ERA Method 314.2. First-channel conditions separator column lonPac AS16 with guard column dimensions 250 mm X4mm i.d. column temperatures 30 °C eluent 65 mmol/L KOH (EG) flow rate ... Figure 10.49 Second-channel separation of perchlorate in a well water sample using ICx 1C according to ERA Method 314.2. First-channel conditions separator column lonPac AS16 with guard column dimensions 250 mm X4mm i.d. column temperatures 30 °C eluent 65 mmol/L KOH (EG) flow rate ...
See other pages where Guard columns channeling is mentioned: [Pg.85]    [Pg.332]    [Pg.536]    [Pg.3375]    [Pg.925]    [Pg.1035]    [Pg.337]    [Pg.68]   
See also in sourсe #XX -- [ Pg.85 ]



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