C. Langford

G. Achari, C. Langford, Maryam Izadifard, 2014, Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes.

Effects of hydrogen peroxide in a fluidized bed photocatalytic reactor for wastewater purification

C. Langford, A. Kantzas, E. Vaisman, 2006 .

A kinetic study of the interaction of hydrous aluminum oxide colloids with a well-characterized soil fulvic acid

C. Langford, M. K. Mak, 1982 .

The uses of nuclear magnetic resonance in the study of ligand substitution processes

C. Langford, T. R. Stengle, 1967 .

MnSO4 association and sulphate chelation: a solvent NMR study

L. Frankel, C. Langford, T. R. Stengle, 1967 .

Photocatalytic ozonation of pesticides in a fixed bed flow through UVA-LED photoreactor

G. Achari, C. Langford, E. Radwan, 2016, Environmental Science and Pollution Research.

Enhanced Photoactivity of a Titanium(IV) Oxide Supported on ZSM5 and Zeolite A at Low Coverage

C. Langford, Yiming Xu, 1995 .

Sulfone Ligands in Cobalt(II) Complexes

C. Langford, P. Langford, 1962 .

Impact of support characteristics and preparation method on photocatalytic activity of TiO2/ZSM-5/silica gel composite photocatalyst

G. Achari, C. Langford, E. Radwan, 2018, Royal Society Open Science.

Photocatalytic dechlorination of polychlorinated biphenyls using leuco-methylene blue sensitization, broad spectrum visible lamps, or light emitting diodes.

G. Achari, C. Langford, Maryam Izadifard, 2010, Environmental science & technology.

A study of the photodecomposition of different polychlorinated biphenyls by surface modified titanium (iv) oxide particles

C. Langford, M. K. Mak, P. Ménassa, 1988 .

A KINETIC MODEL OF IMBIBITION IN SOILS

C. Langford, A. Kantzas, F. Manalo, 2001 .

Laser Flash Photolytic Studies of a Well-Characterized Soil Humic Substance

J. F. Power, C. Langford, R. Bonneau, 1987 .

Outer Sphere Oxidations of Alcohols and Formic Acid by Charge Transfer Excited States of Iron(III) Species

C. Langford, J. Carey, 1975 .

Characterization of an LED based photoreactor to degrade 4-chlorophenol in an aqueous medium using coumarin (C-343) sensitized TiO2.

G. Achari, C. Langford, J. P. Ghosh, 2008, The journal of physical chemistry. A.

The Limits of Empiricism.

Bertrand Russell, C. H. Langford, B. Russell, 1937 .

Chlorothalonil and its 4-hydroxy derivative in simple quartz sand soils: a comparison of sorption processes.

E. Lindsay, C. Langford, A. Bruccoleri, 2001, Environmental science & technology.

Fate of Zinc Oxide Nanoparticles in a Biosolid Slurry Characterized for Metal Complexation Characteristics.

G. Achari, C. Langford, E. Vialykh, 2018, Journal of environmental quality.

Methods for the comparison of fulvic acid samples: the effects of origin and concentration on acidic properties

C. Langford, D. S. Gamble, R. D. Burch, 1978 .

Spectroscopic and structural characterization of a Laurentian fulvic acid: notes on the origin of the color

C. Langford, Zhendi Wang, B. C. Pant, 1990 .

Photocurrent generation and charge transport in tin dioxide/ion-exchange polymer-zinc meso-tetraphenylporphyrin/gold cells

C. Langford, Z. Huang, M. Lawrence, 1993 .

The photochemistry of Mo(CNPh)6: dissociative photosubstitution and evidence for ‘hot’ electron transfer

C. Langford, L. Shaw, 2002 .

Wavelength-dependent photochemistry in Cr(CNPh)6: a study of photosubstitution and photoinduced electron transfer using time-resolved spectroscopy.

C. Langford, L. Shaw, 2000, Inorganic chemistry.

Comparison of subnanosecond transients from cobalt(III) linkage isomers: ligand field triplets versus the radical pair

C. Langford, A. D. Kirk, D. Sharma, 1989 .

Photoelectrochemical studies of maleonitriledithiolate complexes of nickel, palladium, platinum and copper

C. Langford, L. Persaud, 1985 .

An Open Vessel, Pulse-Microwave Technique for Wet Ashing of Metal-Contaminated Animal Tissues

C. Langford, P. Anderson, P. Aysola, 1988 .

Chapter 1 Reactions of Inert Complexes and Metal Organic Compounds

C. Langford, M. Parris, 1972 .

Mechanism of complex formation and solvent-exchange reactions of iron(3+) in dimethyl sulfoxide

C. Langford, F. Chung, 1968 .

Photosolvolysis of trans-tetrathiocyanatodiaminechromium(III) and trans-dithiocyanatobis(ethylenediamine)chromium(III) ions: nucleophilicity and solvent orientation

C. Langford, M. Cusumano, 1978 .

PREFERENTIAL SOLVATION AND THE MECHANISMS OF THERMAL AND PHOTOCHEMICAL SOLVOLYSIS OF THE HEXATHIOCYANATOCHROMATE(III) ION IN ACETONITRILE--WATER MIXTURES.

L. Frankel, C. Langford, S. Behrendt, 1969 .

Comparison of Subnanosecond Transients from Cobalt(III) Linkage Isomers; Ligand Field Triplets versus the Radical Pair

C. Langford, A. D. Kirk, D. Sharma, 1989 .

Photoelectrochemical Studies of Maleonitriledithiolate Complexes of Nickel, Palladium, Platinum, and Copper.

C. Langford, L. Persaud, 1986 .

Application of water nuclear magnetic resonance relaxation times to study of metal complexes of the soluble soil organic fraction fulvic acid

C. Langford, Katalin Deczky, 1978 .

The structure and equilibria of a manganese(II) complex of fulvic acid studied by ion exchange and nuclear magnetic resonance

C. Langford, D. S. Gamble, J. Tong, 1976 .

Interconvertible Four-, Five-, and Six-Coordinate Cobalt Complexes

H. Gray, C. Langford, S. Shupack, 1964 .

The preparation and kinetics of complex formation of hexadimethylsulfoxidovanadium(III) perchlorate

C. Langford, F. Chung, 1970 .

The crystal structure of W(CO)5piperidine : implications for photoreactivity of W(CO)5L complexes

C. Langford, C. Moralejo, P. Bird, 1991 .

Kinetics of substitution reactions of diacidodicyclopentadienyltitanium(IV) compounds in acetone

C. Langford, J. P. Aplington, 1965 .

Quantum yield variation over narrow spectral regions in coordination photochemistry

C. Langford, 1984 .

Anation of the trans-Aquonitrobis-(ethylenediamine)-cobalt(III) Ion in a Tetramethylene Sulfone-Water Mixture

C. Langford, M. P. Johnson, 1964 .

On the Acid Hydrolysis of [Co(NH3)5X]+2 Ions and the Mechanism of Interchange

C. Langford, 1965 .

Solvent Dependence of the Fast Photooxidation of Transition-Metal Maleonitriledithiolate Complexes, [M(S2C2(CN)2)2]2- (M = Ni, Pt), in Acetonitrile-Chloroform Mixtures

E. Lindsay, C. Langford, Aramice Y. S. Malkhasian, 1994 .

Nuclear Magnetic Resonance Studies of Solvation of Halides: 19F Studies of Solvent and Counterion Effects on Chemical Shift

C. Langford, J. Tong, T. R. Stengle, 1974 .

Wavelength dependence of luminescence and quantum yield in dechlorination of PCBs

G. Achari, C. Langford, Maryam Izadifard, 2011 .

Preferential solvation and the role of solvent in kinetics. Examples from ligand substitution reactions

C. Langford, J. Tong, 1977 .

The mechanisms of photoreactivity of coordination compounds: limiting cases of decay on a specific nuclear coordinate (dosenco) or via random coordinat

C. Langford, N. Serpone, B. Hollebone, 1981 .

Nuclear magnetic resonance techniques for the study of preferential solvation and the thermodynamics of preferential solvation

L. Frankel, C. Langford, T. R. Stengle, 1970 .

The photochemistry of hexachlororhodate(HI)

C. Langford, N. Kane-Maguire, 1976 .

Metal to ligand charge-transfer photochemistry of metal-metal bonded complexes. The primary photoprocess of (CO)sub5ReMn(CO)sub3(alpha-diimine) complexes studied by temperature and pressure dependent photochemistry and pico-nanosecond flash photolysis

C. Langford, A. Vlček, D. J. Stufkens, 1994 .

Light scattering of a polydisperse fulvic acid

C. Langford, D. S. Gamble, A. W. Underdown, 1981 .

Preferential solvation in kinetics

C. Langford, J. Tong, 1977 .

Preferential solvation in kinetics. III. Thermal and photochemical solvolysis of Reinecke's ion in acetonitrile-water mixtures

V. S. Sastri, C. Langford, R. Henwood, 1972 .

Preferential solvation of Co2+ and Ni2+ ions in mixed solvents: n.m.r. methods

L. Frankel, C. Langford, T. R. Stengle, 1968 .

A study of preferential solvation utilizing nuclear magnetic resonance

L. Frankel, C. Langford, T. R. Stengle, 1965 .

ON THE SOLVATION OF IONS IN DIPOLAR APROTIC SOLVENTS. CHLORINE-35 NUCLEAR MAGNETIC RESONANCE STUDIES OF CHLORIDE ION IN MIXED SOLVENTS,

C. Langford, T. R. Stengle, 1969 .

Studies on the mechanism of atom formation in graphite furnace atomic absorption spectrometry

C. Langford, R. Sturgeon, C. L. Chakrabarti, 1976 .

Photoelectrochemical properties of a metal maleonitriledithiolate in an ion-containing polymer blend

C. Langford, D. A. Biro, 1988 .

Solvation of halide ions in water and dipolar aprotic solvents studied by halogen nucleus nuclear magnetic resonance

C. Langford, T. R. Stengle, Yujie Pan, 1972 .

STRONGLY BASIC SOLUTIONS IN TETRAMETHYLENE SULFONE (SULFOLANE)

C. Langford, R. Burwell, 1960 .

Problems concerning the standard redox potential of Ps+/12Ps2

C. Langford, R. Barradas, J. Sedlak, 1972 .

Solvent Effects on Solvent Exchange Reactions at Nickel(II) Centers

C. Langford, A. Merbach, J. Tong, 1975 .

Ligand Substitution Dynamics

H. Gray, C. Langford, 1968 .

THE RATES OF SOLAR ENERGY STORAGE AND RETRIEVAL IN A ZEOLITE-WATER SYSTEM

Raj Ram Gopal, C. Langford, R. Shigeishi, 1982 .

SOLAR ENERGY STORAGE USING CHEMICAL POTENTIAL CHANGES ASSOCIATED WITH DRYING OF ZEOLITES

Cooper H. Langford, C. Langford, R. Shigeishi, 1979 .

A BIOGEOPOLYMERIC VIEW OF HUMIC SUBSTANCES WITH APPLICATION TO PARAMAGNETIC METAL EFFECTS ON 13C NMR

C. Langford, R. Cook, E. A. Ghabbour, 1999 .

Light scattering studies of the relationship between cation binding and aggregation of a fulvic acid

C. Langford, D. S. Gamble, A. W. Underdown, 1985 .

Kinetic versus equilibrium studies for the speciation of metal complexes with ligands from soil and water

C. Langford, R. Cook, 1995 .

Kinetic studies of metal ion speciation

C. Langford, D. Gutzman, 1992 .

Kinetic Studies of Colloidal Metal Complex Species Relevant to Natural Waters

C. Langford, M. K. Mak, 1983 .

Kinetic analysis applied to aluminum citrate complexing

C. Langford, M. K. Mak, 1983 .

Emergent functional behaviour of humic substances perceived as complex labile aggregates of small organic molecules and oligomers

D. Salahub, G. Achari, C. Langford, 2019, Environmental Chemistry.

Interaction of atrazine with Laurentian humic acid

C. Langford, Zhendi Wang, D. S. Gamble, 1991 .

Interaction of atrazine with Laurentian fulvic acid: binding and hydrolysis

Cooper H. Langford, Donald S. Gamble, Zhendi Wang, 1990 .

Dissociative interchange mechanism for the formation of acidopentaamminecobalt(III) ions

C. Langford, W. Muir, 1967 .

Application of UV based advanced oxidation to treat sulfolane in an aqueous medium.

G. Achari, C. Langford, Linlong Yu, 2016, Chemosphere.

Atrazine Sorption by a Mineral Soil: Processes of Labile and Nonlabile Uptake

Cooper H. Langford, Donald S. Gamble, C. Langford, 1996 .

Atrazine Sorption by a Mineral Soil: Effects of Soil Size Fractions and Temperature

Cooper H. Langford, Donald S. Gamble, C. Langford, 1996 .

Chlorothalonil in a Quartz Sand Soil: Wetting Effects on Sorption Capacity and Bound Residue

E. Lindsay, C. Langford, A. Bruccoleri, 2000 .

Interaction of atrazine with Laurentian soil

C. Langford, Zhendi Wang, D. S. Gamble, 1992 .

Interactions of Pesticides and Metal Ions with Soils: Unifying Concepts

C. Langford, G. Webster, D. S. Gamble, 1994 .

Sorption of a Xenobiotic Contaminant in Clean and Petroleum-Contaminated Soil: Roles of Water and Xenobiotic Size

C. Langford, T. Todoruk, 2006 .

Kinetics and Equilibrium of Binding of Fe3+ by a Fulvic Acid: A Study by Stopped Flow Methods

C. Langford, T. R. Khan, 1975 .

The reactions of paraquat and divalent metal ions with humic acid: factors influencing stoichiometry

C. Langford, D. S. Gamble, R. H. Zienius, 1989 .

Influence of UV dose on the UV/H2O2 process for the degradation of carbamazepine in wastewater

J. Tay, G. Achari, C. Langford, 2019, Environmental technology.

Adsorptive removal of hazardous organic water pollutants by humic acid-carbon hybrid materials: kinetics and isotherm study

Ahmed S. Moursy, G. Achari, C. Langford, 2017 .

The transition state for octahedral substitution and the interpretation of volumes of activation: the role of nonlabile ligands

C. Langford, 1979 .

Photoactivity of Titanium Dioxide Supported on MCM41, Zeolite X, and Zeolite Y

C. Langford, Yi-She Xu and, 1997 .

Copper(II) titration of fulvic acid ligand sites with theoretical, potentiometric, and spectrophotometric analysis

C. Langford, D. S. Gamble, A. W. Underdown, 1980 .

Evaluation of primary photoproduct quantum yields in fulvic acid

C. Langford, A. Bruccoleri, D. Sharma, 1993 .

Comparison of Laurentian Fulvic Acid luminescence with that of the hydroquinone/quinone model system: Evidence from low temperature fluorescence studies and EPR spectroscopy

C. Langford, F. Ariese, C. Gooijer, 2004, Aquatic Sciences.

Metal Ion Quenching of Fulvic Acid Fluorescence Intensities and Lifetimes: Nonlinearities and a Possible Three-Component Model

C. Langford, R. Cook, 1995 .

Multiple metal ion exchange equilibria with humic acid

C. Langford, M. Schnitzer, D. S. Gamble, 1983 .

Electron transfer sensitized photodechlorination of surfactant solubilized PCB 138.

G. Achari, C. Langford, Maryam Izadifard, 2013, Chemosphere.

Solvent effects and excited-state dynamics in photochemical ligand substitution of the tungsten carbonyl complex W(CO)5L (L = piperidine, py)

C. Langford, C. Moralejo, 1991 .

Photodecomposition of several chloroaromatics using a commercial prototype reactor

C. Langford, Yi Xu, P. Ménassa, 1988 .

A Survey of Solvolytic Reactions of Some Cobalt(III) Complexes in Various Solvents

C. Langford, 1964 .

Preparation and performance of integrated photocatalyst adsorbent (IPCA) employed to degrade model organic compounds in synthetic wastewater

C. Langford, A. Kantzas, E. Vaisman, 2005 .

Pore-scale redistribution of water during wetting of air-dried soils as studied by low-field NMR relaxometry.

C. Langford, A. Kantzas, T. Todoruk, 2003, Environmental science & technology.

Soil wettability as determined from using low-field nuclear magnetic resonance.

C. Langford, A. Kantzas, F. Manalo, 2003, Environmental science & technology.

PHOTOPHYSICS OF A WELL CHARACTERIZED HUMIC SUBSTANCE

J. F. Power, C. Langford, R. Bonneau, 1986 .

Benzene degradation in waste gas by photolysis and photolysis-ozonation: experiments and modeling

C. Langford, M. Rezaei, E. Vaisman, 2016, Frontiers of Environmental Science & Engineering.

Fluorescence lifetimes of the well characterized humic substance, armdale fulvic acid

J. F. Power, C. Langford, R. Lesage, 1986 .

A comparison of several nanoscale photocatalysts in the degradation of a common pollutant using LEDs and conventional UV light.

G. Achari, C. Langford, C. Berlinguette, 2009, Water research.

Degradation of Bisphenol S Using O3 and/or H2O2 with UV in a Flow-Through Reactor

G. Achari, C. Langford, Mitra Mehrabani-Zeinabad, 2016 .

The Charge Transfer Photochemistry of the Hexaaquoiron(III) Ion, the Chloropentaaquoiron(III) Ion, and the µ-Dihydroxo Dimer Explored with tert-Butyl Alcohol Scavenging

C. Langford, J. Carey, 1975 .

Liquid Phase Photochemistry in Relation to Tropospheric Chemistry of Halogens

C. Langford, J. Lavigne, 1993 .

Use of low pressure mercury lamps with H2O2 and TiO2 for treating carbamazepine in drinking water: Batch and continuous flow through experiments

J. Tay, G. Achari, C. Langford, 2018, Journal of Water Process Engineering.

Kinetic study of speciation of nickel(II) bound to a fulvic acid

C. Langford, M. K. Mak, J. Lavigne, 1987 .

Photoelectrochemistry and Spectroscopy of Metal Phthalocyanine Films on a Transparent Semiconducting Electrode

C. Langford, B. Hollebone, T. Vandernoot, 1980 .

Current efficiency and titration efficiency in coulometric titrations with electrogenerated ceric ion determination of iodide

C. Langford, J. Lingane, F. Anson, 1957 .

The interaction of a soil fulvic acid with precipitating hydrous ferric oxide at pH = 6

C. Langford, S. Wong, A. W. Underdown, 1981 .

Cyclic voltammetric study of acid hydrolysis of tris(bipyridine) chromium(II): a critical appraisal of CV determination of kinetic parameters

C. Langford, J. G. Dick, S. Nadler, 1985 .

Some Observations on the Development of Superior Photocatalytic Systems for Application to Water Purification by the “Adsorb and Shuttle” or the Interphase Charge Transfer Mechanisms

G. Achari, C. Langford, Maryam Izadifard, 2014, Molecules.

Light scattering measurements of Cu(II)-fulvic acid complexing: The interdependence of apparent complexing capacity and aggregation

C. Langford, D. S. Gamble, A. W. Underdown, 1985 .

Mesoporous aluminosilicates prepared from zeolites by treatment with ammonium fluorosilicate

C. Langford, R. Mao, B. Sjiariel, 1993 .

Complexity in Cluster Development: Towards an Evolutionary Theory to Guide Policy Development

Jeremy Hall, C. Langford, 2011 .

Picosecond flash spectroscopy of titania colloids with adsorbed dyes

C. Langford, C. Arbour, D. Sharma, 1990 .

Composition and structure of agents responsible for development of water repellency in soils following oil contamination.

C. Langford, T. Todoruk, M. Litvina, 2003, Environmental science & technology.

Primary photoproducts in the picosecond time domain from photolysis of hexacarbonyl and aminopentacarbonyl tungsten(0) complexes

C. Langford, C. Moralejo, 1991 .

The evolution of rules for access to megascience research environments viewed from Canadian experience

C. Langford, M. Langford, 2000 .

An integrated performance assessment framework for water treatment plants.

Rehan Sadiq, Gopal Achari, Kejiang Zhang, 2012, Water research.

Indicators and outcomes of Canadian university research: Proxies becoming goals?

Stelvia Matos, Jeremy Hall, Cooper H. Langford, 2006 .

Outcomes of University Research in Canada : Innovation Policy and Indicators in Triple Helix Relationships

C. Langford, Jeremy Hallb, Peter Jostya, 2005 .

Application of thermal lens spectrometry to kinetic speciation studies of metal ions in natural water models with colloidal ligands

C. Langford, D. Gutzman, 1993 .

Kinetic Analysis Applied to Iron in a Natural Water Model Containing Ions, Organic Complexes, Colloids, and Particles

C. Langford, T. R. Khan, R. Kay, 1977 .

Building the Pool of (Creative) Talent: The Case of Calgary

Ben Li, Camille D. Ryan, Cooper H. Langford, 2009 .

Kinetic study of the speciation of copper(II) bound to a hydrous ferric oxide

C. Langford, D. Gutzman, 1993 .

Mechanistic analysis of environmentally important mixed ligand complex formation; Ni2+ as an example

C. Langford, 1973 .

A comprehensive liquid-state heteronuclear and multidimensional NMR study of Laurentian fulvic acid.

H. Vogel, C. Langford, R. Cook, 2003, Environmental science & technology.

Photolysis of Ammine and Alkylamine Chromium(III) Complexes in Water and Dimethylsulfoxide: Mechanistic Evidence from Luminescence and Medium Effects

C. Langford, L. Tipping, 1972 .

Photoracemization of tris(1,10-phenanthroline)chromium(III). Phosphorescence quenching as a tool for identification of reactive excited state

C. Langford, N. Kane-Maguire, 1972 .

Wavelength and temperature dependence in the photolysis of the chemical actinometer, potassium trisoxalatoferrate(III), at longer wavelengths☆

C. Langford, Carol Ann Holubov, 1981 .

PHOTOCHEMICAL PATHS: THE PHOTOCHEMICAL AND PHOTOPHYSICAL LIMITS

C. Langford, B. Hollebone, 1980 .

9 – Solvation and the Second Coordination Sphere

C. Langford, 1973 .

An Alternative Process to Treat Boiler Feed Water for Reuse

G. Achari, C. Langford, Daliya Banerjee, 2012, Water environment research : a research publication of the Water Environment Federation.

LED-Based Photocatalytic Treatment of Pesticides and Chlorophenols

G. Achari, C. Langford, Linlong Yu, 2013 .

Chemical Stoichiometry and Molecular Level Mechanisms as Support for Future Predictive Engineering Calculations

C. Langford, A. Bruccoleri, D. S. Gamble, 2005 .

Advanced Oxidation Process (AOP), especially photocatalytic

C. Langford, E. Vaisman, A. Starosud, 1999 .

Dechlorination of polychlorinated biphenyls in transformer oil using UV and visible light

G. Achari, C. Langford, Jiansong Kong, 2013, Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering.

Ligand Substitution Dynamics: Substitution of a ligand in an inner sphere complex by an outside group is the most fundamental reaction in metal ion chemistry

H. Gray, C. Langford, 1968 .

Kinetic Spectroscopy of Metal Fulvic Acid Complexes

C. Langford, D. S. Gamble, 1984 .

Kinetics of Reactions of Hexa(dimethylsulfoxide)nickel(II) Ion with Dithiocarbamate Ligands

V. S. Sastri, C. Langford, C. L. Chakrabarti, 1973 .

Reductive Dechlorination of PCBs Using Photocatalyzed UV Light

G. Achari, C. Langford, J. P. Ghosh, 2012 .

Projecting Financial Capability in Small Canadian Drinking Water Treatment Systems

G. Achari, Aaron Janzen, M. Dore, 2017 .

Dark electrochemistry and photoelectrochemistry of molecularly doped ion-exchange polymer blends

C. Langford, A. Crouch, M. Lawrence, 1988 .