Special Issues
AMINO ACIDS
Agilent Technologies Formerly ULTRA Scientific
800-338-1754
Cambridge Isotope Labs
Crescent Chemical Co
Fritsch Milling Sizing
919-229-0599
Jaytee Biosciences Ltd
MilliporeSigma
Penta Mfg Co
Specialty & Fine Chemicals Div
Pfaltz & Bauer
Phenomenex
Pickering Labs
800-654-3330
SCIEX
SPEX CertiPrep
AMPHOLYTES
Crescent Chemical Co
BIOCHEMICAL
Accurate Chemical & Scientific Corp
Agilent Technologies
Formerly ULTRA Scientific
800-338-1754
Boston Express Lab
Crescent Chemical Co
Nacalai USA
Penta Mfg Co
Specialty & Fine Chemicals Div
Pfaltz & Bauer
SPEX CertiPrep
BIOLOGICAL-GRADE
Crescent Chemical Co
Neta Scientific
800-343-6015
Pfaltz & Bauer
BUFFERS
Accurate Chemical & Scientific Corp
Agilent Technologies
Formerly ULTRA Scientific
800-338-1754
American Scientific
Analytical Measurements
Bangs Labs
Cambridge Isotope Labs
Canadian Life Science
Crescent Chemical Co
Dakota Instruments
Electron Microscopy Sciences
Greyhound Chromatography & Allied Chemicals
Inorganic Ventures
MilliporeSigma
Neta Scientific
Phone 800-343-6015
E-mail sales@netascientific.com
Omicron Research Ltd
Pickering Labs
800-654-3330
Preiser Scientific
SPEX CertiPrep
UCT
215-781-9255
CHIRAL
Chem Service
800-452-9994
Greyhound Chromatography & Allied Chemicals
Pfaltz & Bauer
Regis Technologies
Chromatography
DERIVATIZING AGENTS
Agilent Technologies Formerly ULTRA Scientific
800-338-1754
Chem Service
Phone 800-452-9994
Fax 610-692-8729
E-mail info@chemservice.com
Chromatographic Specialties
Crescent Chemical Co
Gelest
Greyhound Chromatography & Allied Chemicals
JNC America
Pickering Labs
800-654-3330
Regis Technologies
Chromatography
Restek Corp
800-356-1688
Shinwa Chemical Industries Ltd
UCT
Phone 215-781-9255
E-mail jsearfoss@unitedchem.com
DYES
Accurate Chemical & Scientific Corp
AccuStandard
Chem Service
Phone 800-452-9994
Fax 610-692-8729
E-mail info@chemservice.com
Crescent Chemical Co
Pfaltz & Bauer
ENZYMES
Accurate Chemical & Scientific Corp
Crescent Chemical Co
Fritsch Milling Sizing
919-229-0599
MilliporeSigma
Pfaltz & Bauer
UCT
Phone 215-781-9255
E-mail jsearfoss@unitedchem.com
GASES, HIGH-PURITY
Airgas an Air Liquide Co
Specialty Gases
Cambridge Isotope Labs
Chem Service
800-452-9994
Crescent Chemical Co
Draeger
Parker Hannifin
Industrial Gas Filtration and Generation Div
Phone 800-343-4048
Fax 978-556-7501
E-mail fnsmarketing@parker.com
Peak Scientific Instruments Ltd
Pfaltz & Bauer
SPEX CertiPrep
GASES, LIQUEFIED
Airgas an Air Liquide Co
Specialty Gases
Cambridge Isotope Labs
Crescent Chemical Co
Pfaltz & Bauer
SPEX CertiPrep
GASES, SPECIALTY
Airgas an Air Liquide Co
Specialty Gases
Cambridge Isotope Labs
Chem Service
800-452-9994
Crescent Chemical Co
Draeger
Eco Scientific Ltd
Gelest
KIN-TEK Analytical
800-326-3627
MilliporeSigma
Parker Hannifin
Industrial Gas Filtration and Generation Div
Phone 800-343-4048
Fax 978-556-7501
E-mail fnsmarketing@parker.com
Peak Scientific Instruments Ltd
Pfaltz & Bauer
SPEX CertiPrep
US Services
GENERAL LABORATORY CHEMICALS
Accurate Chemical & Scientific Corp
Airgas an Air Liquide Co
Specialty Gases
American Scientific
Cambridge Isotope Labs
Chem Service
Phone 800-452-9994
Fax 610-692-8729
E-mail info@chemservice.com
Crescent Chemical Co
Electron Microscopy Sciences
Gelest
GoatThroat Pumps
Westcott Distribution
Greyhound Chromatography & Allied Chemicals
Penta Mfg Co
Specialty & Fine Chemicals Div
Pfaltz & Bauer
Preiser Scientific
SPEX CertiPrep
ION CHROMATOGRAPHY BUFFERS
Agilent Technologies Formerly ULTRA Scientific
800-338-1754
Crescent Chemical Co
Inorganic Ventures
Pall Lab
Laboratory
Regis Technologies
Chromatography
SPEX CertiPrep
ION-PAIR REAGENTS
Agilent Technologies Formerly ULTRA Scientific
800-338-1754
Crescent Chemical Co
MilliporeSigma
Nacalai USA
Regis Technologies
Chromatography
SPEX CertiPrep
PEPTIDE SYNTHESIS REAGENTS
Cambridge Isotope Labs
Crescent Chemical Co
Waters Corp - (Worldwide Headquarters)
PEPTIDE-PROTEIN HYDROLYSIS REAGENTS
Crescent Chemical Co
POLYBUFFERS
Crescent Chemical Co
PROTEINS
Accurate Chemical & Scientific Corp
Boston Express Lab
Cambridge Isotope Labs
Crescent Chemical Co
Fritsch Milling Sizing
919-229-0599
Neta Scientific
800-343-6015
Pall Lab
Laboratory
RADIOACTIVE
Crescent Chemical Co
SCINTILLATION FLUIDS
Crescent Chemical Co
SOLVENTS
Agilent Technologies Formerly ULTRA Scientific
800-338-1754
Airgas an Air Liquide Co
Specialty Gases
American Scientific
Cambridge Isotope Labs
Canadian Life Science
Chem Service
Phone 800-452-9994
Fax 610-692-8729
E-mail info@chemservice.com
Crescent Chemical Co
Faster Chemistry LLC
Phone 502-792-7878
E-mail info@fasterchemistry.com
Fritsch Milling Sizing
919-229-0599
GoatThroat Pumps
Westcott Distribution
MilliporeSigma
Neta Scientific
Phone 800-343-6015
E-mail sales@netascientific.com
Omicron Research Ltd
Pall Lab
Laboratory
Penta Mfg Co
Specialty & Fine Chemicals Div
Preiser Scientific
Regis Technologies
Chromatography
SPEX CertiPrep
Thermo Fisher Scientific
800-678-5599
Waters Corp - (Worldwide Headquarters)
VISUALIZATION REAGENTS
Crescent Chemical Co
Miles Scientific (Analtech)
Waters Corp - (Worldwide Headquarters)
WATER, HIGH-PURITY
American Scientific
Cambridge Isotope Labs
Crescent Chemical Co
ELGA LabWater
GoatThroat Pumps
Westcott Distribution
Industrial Test Systems
Inorganic Ventures
Pacific Ozone, an Evoqua brand
Pall Lab
Laboratory
SPEX CertiPrep
CLINICAL
Agilent Technologies Formerly ULTRA Scientific
800-338-1754
American Scientific
Boston Express Lab
Cambridge Isotope Labs
Crescent Chemical Co
Greyhound Chromatography & Allied Chemicals
IRIS Technologies Intl GmbH
Restek Corp
800-356-1688
San Diego Scientific Instruments
SCIEX
SPEX CertiPrep
ENVIRONMENTAL
AccuStandard
Agilent Technologies Formerly ULTRA Scientific
800-338-1754
American Scientific
Boston Express Lab
Cambridge Isotope Labs
Canadian Life Science
Cargille Labs
Chem Service
Phone 800-452-9994
Fax 610-692-8729
E-mail info@chemservice.com
Chromatographic Specialties
Crescent Chemical Co
Eco Scientific Ltd
Fritsch Milling Sizing
919-229-0599
Greyhound Chromatography & Allied Chemicals
Inorganic Ventures
KIN-TEK Analytical
800-326-3627
MilliporeSigma
Pall Lab
Laboratory
PerkinElmer
Phenomenex
Pickering Labs
800-654-3330
Preiser Scientific
Restek Corp
800-356-1688
San Diego Scientific Instruments
SCIEX
SPEX CertiPrep
Teledyne Tekmar
Thermo Fisher Scientific
800-678-5599
Tomopal
US Services
Waters Corp - (Worldwide Headquarters)
ION CHROMATOGRAPHY
AccuStandard
Agilent Technologies
Formerly ULTRA Scientific
800-338-1754
Alliance Technologies
Chem Service
Phone 800-452-9994
Fax 610-692-8729
E-mail info@chemservice.com
Crescent Chemical Co
Inorganic Ventures
KIN-TEK Analytical
800-326-3627
MilliporeSigma
Pall Lab
Laboratory
SPEX CertiPrep
OTHER STANDARDS
AccuStandard
Agilent Technologies Formerly ULTRA Scientific
800-338-1754
Airgas an Air Liquide Co
Specialty Gases
Bangs Labs
Cambridge Isotope Labs
Cargille Labs
Crescent Chemical Co
Gelest
GIBNIK Analytical Solutions
Greyhound Chromatography & Allied Chemicals
Inorganic Ventures
IRIS Technologies Intl GmbH
KIN-TEK Analytical
800-326-3627
MilliporeSigma
Postnova Analytics
Preiser Scientific
Restek Corp
800-356-1688
SPEX CertiPrep
Thermo Fisher Scientific
800-678-5599
Waters Corp - (Worldwide Headquarters)
PEPTIDE-PROTEIN
Boston Express Lab
Cambridge Isotope Labs
Crescent Chemical Co
Pall Lab
Laboratory
PSS Polymer Standards Service GmbH
SPEX CertiPrep
Waters Corp - (Worldwide Headquarters)
PESTICIDE AND HERBICIDE
AccuStandard
Agilent Technologies Formerly ULTRA Scientific
800-338-1754
Cambridge Isotope Labs
Canadian Life Science
Chem Service
Phone 800-452-9994
Fax 610-692-8729
E-mail info@chemservice.com
Chromatographic Specialties
Crescent Chemical Co
Greyhound Chromatography & Allied Chemicals
Pall Lab
Laboratory
Restek Corp
800-356-1688
San Diego Scientific Instruments
SCIEX
SPEX CertiPrep
Thermo Fisher Scientific
800-678-5599
PHARMACEUTICAL
Agilent Technologies Formerly ULTRA Scientific
800-338-1754
Alliance Technologies
Cambridge Isotope Labs
Chromatographic Specialties
Crescent Chemical Co
Fritsch Milling Sizing
919-229-0599
Inorganic Ventures
IRIS Technologies Intl GmbH
Malvern Panalytical
MilliporeSigma
Pall Lab
Laboratory
Penta Mfg Co
Specialty & Fine Chemicals Div
Restek Corp
800-356-1688
San Diego Scientific Instruments
SCIEX
SiliCycle
SPEX CertiPrep
Tomopal
Waters Corp - (Worldwide Headquarters)
POLYMERS
AccuStandard
Alliance Technologies
Bangs Labs
Chem Service
Phone 800-452-9994
Fax 610-692-8729
E-mail info@chemservice.com
Fritsch Milling Sizing
919-229-0599
Malvern Panalytical
Postnova Analytics
PSS Polymer Standards Service GmbH
San Diego Scientific Instruments
SPEX CertiPrep
US Services
PRIMARY
AccuStandard
Airgas an Air Liquide Co
Specialty Gases
Chem Service
Phone 800-452-9994
Fax 610-692-8729
E-mail info@chemservice.com
Crescent Chemical Co
KIN-TEK Analytical
800-326-3627
SPEX CertiPrep
RADIOCHEMICAL
Chem Service
800-452-9994
SPEX CertiPrep
SPECTROCHEMICAL
AccuStandard
Agilent Technologies Formerly ULTRA Scientific
800-338-1754
American Scientific
Chem Service
800-452-9994
Inorganic Ventures
Jaytee Biosciences Ltd
KIN-TEK Analytical
800-326-3627
Neta Scientific
800-343-6015
Penta Mfg Co
Specialty & Fine Chemicals Div
Preiser Scientific
SPEX CertiPrep
US Services
Identifying and Rectifying the Misuse of Retention Indices in GC
December 10th 2024LCGC International spoke to Phil Marriott and Humberto Bizzo about a recent paper they published identifying the incorrect use of retention indices in gas chromatography and how this problem can be rectified in practice.
Overcoming Common Challenges to Determine Residual Impurities Using IC in APIs with Limited Water
December 10th 2024Organic solvents are generally not compatible with ion chromatography (IC) systems. The approach presented here assists the use of organic solvents for sample preparation and provides a mechanism for the removal of the organic solvents from the chromatographic flow path.