Varian 450-GC, User Manual

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Installation Installation
Page: Page: 14 14 User User Manual Manual 450-GC 450-GC Varian, Varian, Inc. Inc.
Nuts and Ferrules for Capillary Columns Nuts and Ferrules for Capillary Columns
Capillary columns are generally installed with a Capillary columns are generally installed with a capillary capillary
column nut (P/N column nut (P/N 03-94955 03-949551-00) and a 1-00) and a single reversed ferrule, single reversed ferrule,
as shown in the diagram. For as shown in the diagram. For connection to the TCD, a connection to the TCD, a
special capillary adapter (P/N 03-925605-01) is used. special capillary adapter (P/N 03-925605-01) is used.
A Quick Conn A Quick Connect Kit (P/N 03-9253 ect Kit (P/N 03-925355-90) facilitate 55-90) facilitates easy s easy
connection of capillary column to Injector connection of capillary column to Injector and detector. The and detector. The
kit comes with instructions and contains: column depth scale, kit comes with instructions and contains: column depth scale,
knurled split nuts (2) and graphite jacketed ferrules (2
knurled split nuts (2) and graphite jacketed ferrules (2 each of each of
0.4, 0.5 and 0.8 mm ID, for 250 µm, 320 µm and 530 µm 0.4, 0.5 and 0.8 mm ID, for 250 µm, 320 µm and 530 µm
columns respectively).
columns respectively).
Three types of ferrules are co Three types of ferrules are common: mmon: graphite, Vespe graphite, Vespel® or polyimide and l® or polyimide and
graphite/Vespel. graphite/Vespel.
••
Do Do not not use use graphite graphite with with ECD ECD or or GC/MS GC/MS systems. systems.
••
Ferrule Ferrule ID is ID is based based on the on the diameter diameter of the of the capillary capillary column. column. See ta See table ble
below for 1/16” ferrules. below for 1/16” ferrules.
Column Column ID ID Holes Holes
Teflon Teflon
Max 250°C Max 250°C
Vespel Vespel
Max 350°C Max 350°C
40% Graphite 40% Graphite
/60% Ve
/60% Vespel spel
Max 400°C Max 400°C
Graphite Graphite
Max 450°C Max 450°C
SilTite SilTite
Metal, GC/MS Metal, GC/MS
0.18 0.18 mm mm ID ID and and smaller smaller 1 1 CR214103 CR214103 CR212103 CR212103 CR213103 CR213103 - - --
1 1 CR214104 CR214104 CR212104 CR212104 CR213104 CR213104 CR211104 CR211104 --
0.25 mm ID 0.25 mm ID
2 2 - - CR212124 CR212124 CR213124 CR213124 CR211124 CR211124 --
0.25 0.25 mm mm ID ID and and smaller smaller 1 1 - - - - - - - - SG073300 SG073300
1 1 CR214105 CR214105 CR212105 CR213105 CR212105 CR213105 CR211105 CR211105 SG073301 SG073301
0.32 mm ID 0.32 mm ID
2 2 - - CR212125 CR212125 CR213125 CR213125 CR211125 CR211125 --
0.53 0.53 mm mm ID ID 1 CR214108 1 CR214108 CR212108 CR212108 CR213108 CR213108 CR211108 CR211108 SG073302 SG073302
Table 4: 1/16” Column Ferrules Table 4: 1/16” Column Ferrules
Reversed Reversed
Ferrule
Ferrule
Capillary Capillary
Column
Column
Nut
Nut
Fused Silica Fused Silica
Column
Column