54 1100 Series WS MWS Reference Manual
2 Optimizing Performance
Choice of Seat Capillary
Different models of seat capillaries are available for the well-plate sampler and
the micro well-plate sampler:
For the Well-plate
Sampler
The needle seat assembly includes the needle seat and the seat capillary. The
part number for this assembly is: G1367-87101.
For the Micro
Well-plate
Sampler
The needle seat assembly is made up of two parts:
• needle seat: G1377-87101.
• seat capillary
choice of: G1375-87317 (100 µm 150 mm)
G1375-87300 (50 µm 150 mm)
G1375-87317 (100 µm) is the capillary preinstalled in micro well-plate and
thermostatted micro well-plate samplers upon delivery.
This capillary is recommended for applications with a 0.3 mm column or
higher. It provides less plugging of the capillary in general and especially with
biological samples. For small K’ this capillary can provide a higher peak width
for isocratic analysis.
G1375-87300 (50 µm) is available as a spare part and is recommended for
applications with a 0.3 mm column or smaller. This capillary gives full
chromatographic performance.
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