Recovering Maximum Sample From Vials - Waters ACQUITY UPLC Overview And Maintenance Manual

Note:
The default needle-placement values listed in the table above represent the dimension
specified by
Figure 2–21: Sample needle in vial
1
Vial depth
Sample needle
Distance from tip of sample needle to bottom of sample vial

2.27 Recovering maximum sample from vials

The default ANSI plate (48 vials) definition for the 2-mL Maximum Recovery Vials can leave some
sample in the vial. If you must recover the maximum amount of sample, change the needle-
placement setting.
See also:
For information about calibrating the needle, see
Tip:
To modify the needle-placement setting for vials, click Instrument Method Editor > ACQ-
FTN > General tab > Advanced, and change the "Needle Placement (from bottom)" value.
Vial type
Waters Supplied
Total Recovery Vial
Waters Supplied
Max. Recovery Vial
in the figure below.
2
3
Minimum Description
needle
placement
(mm)
0.7 Screw Cap 12 × 32 mm Clear Total Rec
pre-slit PTFE/Silicone Septa
2.1 Screw Cap 12 × 32 mm Clear Max Rec
pre-slit PTFE/Silicone Septa
Screw Cap 12 × 32 mm Amber Max Rec
pre-slit PTFE/Silicone Septa
June 11, 2019, 715005051 Rev. D
Calibrating the
Page 52
needle.
Part number
186000385C
186000327C
186003886C