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WelchromTM Sample Vials
WelchromTM Sample Vials
Welch Materials offers WelchromTM Sample vials of Type 1, 51expansion glass vials and Type-2, 33-expansion glass vials.
WelchromTM Sample vials are made from first class of hydrolytic
borosilicate glass, compliant with the requirements of U.S.
and European Pharmacopeia, which improve your laboratory
productivity by reducing costs and saving time. These products
considerably reduce the risk of analytical test compromise
resulted from ghost peaks, damaged needles, dislodged septa,
decreasing analysis failures or sample reruns.
Feature
z LCGC certificate
z High quality glass Type 1, 51-expansion glass (clear and
amber) and Type-2, 33-expansion glass (only clear)
z Computerized camera system for quality control of the
whole manufacturing process to test critical dimensions,
including height, diameter, bottom thickness, and neck/
thread
z Compatible with a wide range of HPLC, LCMS, and GC
Instruments
z Pre-packs including 100 vials and caps for ease and
convenience in ordering and use
z Vials, caps and septa also available separately
z Meet standards set by governing bodies
z Tightest dimensional tolerances in industry
Application
z HPLC instruments
z LCMS instruments
z GC instruments
Vial Closure Guide
Available in three types: crimp, snap and screw cap.
Cap Design
Strength Design
Comments
Crimp
Excellent seal
Requires tools
Snap
Moderate seal
Fast, no tools
Screw
Excellent seal
Universal
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WelchromTM Sample Vials
Septa Selection Guide
PTFE
z Recommended for single injection application
z Ideal for use in MS applications
z Excellent solvent resistance and chemical compatibility
z Does not reseal upon punching
z Not for Long-term sample storage
PTFE/Silicone
z Recommended for multiple injection and sample storage
z Excellent resealing
z PTFE chemical resistance until punctured, then will have the
chemical compatibility of silicone
z Working temperature range from -40℃ to 200℃
Pre-slit PTFE/Silicone
z Prevent vacuum formation in vials
z Eliminate coring from bottom draw-port needles
z Good resealing capability
z Recommended for multiple injections
z PTFE chemical resistance until punctured, then will have the
chemical compatibility of silicone
z Working temperature range from -40℃ to 200℃
Vials Selection Guide
z Type 1, 51-expansion borosilicate glass
z Type-2, 33-expansion glass
z Deactivated glass (DV): Treated with reactive organosilane
in gas phase to produce a hydrophobic glass surface. Can
be stored indefinitely.
z Headspace Vials: Uniform glass thickness which insures even
heat distribution for sampling consistence and reliability.
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WelchromTM Sample Vials
Ordering Information
Part Number
Size
Pcs/pk
Sample Vials
WEL-SV012C
2ml Clear vial , 8-425 screw top
100pcs
WEL-SV032C
2ml Clear vial, 8-425 screw top, graduated with writing area
100pcs
WEL-SV002C
2ml Clear vial, 9-425 screw top
100pcs
WEL-SV022C
2ml Clear vial, 9-425 screw top, graduated with writing area
100pcs
WEL-SV042C
2ml Clear vial, Crimp top
100pcs
WEL-SV062C
2ml Clear vial, Crimp top, graduated with writing area
100pcs
WEL-SV052C
2ml Clear vial, Snap top
100pcs
WEL-SV072C
2ml Clear vial, Snap top, graduated with writing area
100pcs
WEL-SV012A
2ml Amber vial, 8-425 screw top
100pcs
WEL-SV032A
2ml Amber vial, 8-425 screw top, graduated with writing area
100pcs
WEL-SV002A
2ml Amber vial, 9-425 screw top
100pcs
WEL-SV022A
2ml Amber vial, 9-425 screw top, graduated with writing area
100pcs
WEL-SV042A
2ml Amber vial, Crimp top
100pcs
WEL-SV062A
2ml Amber vial, Crimp top, graduated with writing area
100pcs
WEL-SV052A
2ml Amber vial, Snap top
100pcs
WEL-SV072A
2ml Amber vial, Snap top, graduated with writing area
100pcs
Caps
WEL-SV002
Blue screw cap with hole, for 2ml 9-425 screw top vials
100pcs
WEL-SV012
Black screw cap with hole, for 2ml 8-425 screw top vials
100pcs
WEL-SV022
Aluminum cap 11 mm for 2ml crimp top vials
100pcs
Caps + Septa
WEL-SV002CRS
White PTFE/Red silicone septa + Blue screw cap with hole, for 2ml 9-425 screw top vials
100pcs
WEL-SV102CSS
Red PTFE/ White silicone septa + Blue screw cap with hole, for 2ml 9-425 screw top vials
100pcs
WEL-SV222CSS
Blue PTFE/ White silicone septa, Pre-slit + Blue screw cap with hole, for 2ml 9-425 screw top vials
100pcs
WEL-SV012CRS
White PTFE/ Red silicone septa + Black screw cap with hole, for 2ml 8-425 screw top vials
100pcs
WEL-SV012CSS
Red PTFE/ White silicone septa + Black screw cap with hole, for 2ml 8-425 screw top vials
100pcs
WEL-SV112CRS
White PTFE/ Red silicone septa + Aluminum cap, for 2ml crimp top vials
100pcs
WEL-SV122CRS
Red PTFE/ White silicone septa + Aluminum cap, for 2ml crimp top vials
100pcs
Septa
WEL-SV04RS
White PTFE/ Red silicone septa, for 2ml crimp top vials
100pcs
WEL-SV04SS
Red PTFE/ White silicone septa, for 2ml crimp top vials
100pcs
WEL-SV02RS
White PTFE/ Red silicone septa, for 2ml 8-425 screw top vials
100pcs
WEL-SV02SS
Red PTFE/ White silicone septa, for 2ml 8-425 screw top vials
100pcs
WEL-SV03RS
White PTFE/ Red silicone septa, for 2ml 9-425 screw top vials
100pcs
WEL-SV03SS
Red PTFE/ White silicone septa, for 2ml 9-425 screw top vials
100pcs
WEL-SV23SS
Blue PTFE/ White silicone septa, Pre-slit, for 2ml 9-425 screw top vials
100pcs
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