4CHROM, Inc. is driven to aid the chromatographer in addressing their application and instrument needs with experienced, technical expertise.  Not only do we design and manufacture many of our own products, but we have partnered with various industry experts and other manufacturers to offer a full spectrum of products and services.  As you may notice, this web site is recently revised.  We apologize that many of the categories are still under construction and appreciate your patience.  We have so many new products and services to offer now.

 
 
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unavailable
AG-08-000
Your Price: $125.00
AG-08-000
Prime/Purge Valve Upgrade Kit w/ Insert for Agilent 1050/1100, ea
1153-1011
Your Price: $19,500.00
1153-1011
Amino Acids (OPA detection), Aminoglycoside Antibiotics, Biogenic Amines, Polyamines, Paraquat/Diquat
QP0001
Your Price: Call for pricing
QP0001
QuikPrep, Mk5, inclusive of instrument chassis, yoke, platter, basic electrics + electronics + motor etc. Exclusive of bobbins, coils, flying leads, heater temperature control + digital temperature readout and digital speed readout.
unavailable
5CelCo-4.6-250
Your Price: $740.00
5CelCo-4.6-250
QuikPrep CelCoat 5um, Cellulose Coated Silica for Chiral HPLC, 4.6x250mm

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Applications – CCC
Applications - Chiral
Applications - GC
Applications - HPLC
Applications - SPE
CCC and 2 Dimensional
CCC/HPLC

Column Conversion
Guide - GC

Column Conversion
Guide – HPLC

Desiccant
Recommendations

Glassware Charts
HPLC Fittings
& Parts Primer

Materials Guide
Perchloric Acid:
Common Questions

Plasticware Charts
Syringe Help
Troubleshooting - GC
Troubleshooting - HPLC
Troubleshooting - SPE
Valve Selection
CCC Introduction
HPLC Column Cleaning or Regeneration
Pressure, Temperature
& Length Conversions