7tk 9{$MS 1996

Seventh National Symposiumon

Mass Spectrometry(November 26-28,1996)

Defence Research and Development EstablishmentGwalior474 002

Editors

S.K.AGGARWAL & H.C.JAIN

Organised by

Indian Society for Mass Spectrometry (ISMAS)

Co-sponsored By

Council of Scientific and Industrial Research (CSIR)Department of Atomic Energy (DAE)

Department of Science and Technology (DST)Defence Research and Development Organisation (DRDO)

Department of Ocean Development (DOD)Oil and Natural Gas Corporation Ltd. (ONGC)

Indian Oil Corporation Ltd. (IOC)Department of Bio Technology (DBT)

Indian Institute of Petroleum (HP)Physical Research Laboratory (PRL)

Geological Survey of India (GSI)

CONTENTS

Invited Talks

1. The Application of Ion Microprobe Analyses andOther Beam Methods in Archaeological Research -1

A. Adriaens and F. Adams

2. Thermal Ionisation Mass Spectrometry: RecentDevelopments and Future Prospects 13

S.KAggarwal

3. Off-line and On-line Liquid Solid Extraction followed byLC- Atmospheric Pressure Ionization Techniques(ESI and APCI) in Environmental Organic Analysis 25

D. Barcelo

4. Advances in RF and Magnetic Ion TrappingMass Spectrometry 27

Joseph E. Campana

5. Isotope Dilution Mass Spectrometry for Nuclear MaterialAccountability Measurements : Dreams and Reality 41

S. Deron

6. Isotopic Analysis of Subnanogram Amounts of Uranium andPlutonium in Environmental Samples using a CommercialSpectrometer 43

R. Fiedler

7. Mass Spectrometry and the Discovery and Design ofOptimized Medicines 45

H.G. Fouda

8. A Short History of Deflection Field Mass Spectrometry 47Anil K. Shukla and Jean H. Futrell

9. Quantitative Electrospray LC-MS and LC-MS/MS inBiomedicine 57

Klaus Schneider, R. Elena Calaf, Stefan van Leeuwen,Daniel Canosa, Montse Carrascal, Emilio Gelpiand Joaquin Abidn

VII

10. Recent Trends in Solids Mass Spectrometry with SpecialEmphasis on Glow Discharge Mass Spectrometry 71

R. Gijbels and A. Bogaerts

11. Mass Spectrometry in Sports Drug Testing 87ShilaJain

12. Bacterial Detection by Mass Spectrometry 105Thaiya Krishnamurthy and Philip L. Ross

13. Clinical Applications of Tandem Mass Spectrometry 123David S. Millington

14. High-Efficiency Thermal Ionization Sources forMass Spectrometry 135

Jose A. Olivares

15. Picoscale Sequencing of Glycoprotein Glycans withMass Spectrometry 145

Ron Orlando and Yi Yang

16. Isotopic Structures in Meteorite Grains of Interstellar Origin 159Ulrich Ott

17. Boron Isotopes: Methods and Applications to Earth Sciences 173Martin R. Palmer

18. Reactions of Ions at Molecular Surfaces 189T. Pradeep

19. The Role of Mass Spectrometry in the Drug Discovery Process 205Birendra N. Pramanik, Peter L Bartner,Anthony Tsarbopoulos, Viyyoor M. GirijavallabhanandAshitK. Ganguly

20. Electrospray Liquid Chromatography Mass Spectrometry -A Useful Analytical Tool for Chemical WeaponsConvention Verification 217

S.K. Raza

21. -Characterization of Glycoproteins Using ESIMS,LC-ESIMS and ESIMSMS 227

D. R. Mutter, J. van Oostrum, J. Hofsteengeand W. J. Richer

viii

22. Isotopic Distribution Calculations: An Old Dog LearnsNew Tricks 243

Alan L. Rockwood and Steven L. Van Orden

23. Application of Inductively Coupled Plasma MassSpectrometry (ICP-MS) to Radioecology 255

Kunio Shiraishi

24. Recent Trends in Inorganic Mass Spectrometry 269D. H. Smith, C. M. Barshick, D. C. Duckworthand L R. Riciputi

25. Mass Spectrometry as a Technique for AnalyticalVerification of Chemical Weapons Convention 283

M.S. Sokolowski

26. ICP-MS: A Hyphenated Technique for Trace andUltratrace Analysis 297

P.R. Trincherini

27. Experimental Maneuverability in Mass SpectralTechniques for Identification of Chemical WarfareAgents and Treaty Related Compounds/Toxicants 311

D.N. Tripathi

28. Mass Spectrometry in Studies of Highly Reactive andTransient Molecules 317

Frantisek Turecek

29. Mass Spectrometry in Human Nutrition Research:Stable Isotope Studies of Mineral Metabolism 331

Judith R. Turnlund

30. Secondary Ion Mass Spectrometry 343A.K. Tyagi

ix

Contributed Papers

Atomic and Molecular Physics (AMP)

1. Charge Changing Collisions of Fast Carbon Clusters 345C. P. Safvan, V. R. Bhardwaj, D. Mathurand A. K. Gupta

2. Quadrupole Mass Spectrometry of Aligned Moleculesin Intense Laser Fields 348

G. Ravindra Kumar, C.P. Safvan, F.A. Rajgaraand D. Mathur

3. TOFMS of Cluster Anions 351V.R. Bhardwaj, F.A. Rajgara, C.P. Safvanand D. Mathur

4. TOFMS of Cluster Cations 354FA. Rajgara, V.R. Bhardwaj, C.P. Safvan,G. Ravindra Kumar andD. Mathur

5. Mass Spectrometry of Short-lived Molecular Anions 356V.R. Bhardwaj, F.A. Rajgara andD. Mathur

6. Absolute Cross-sections for the Electron ImpactDissociative Ionisation of SO2 Using a Multi-segmentTime-of-Flight Mass Spectrometer 359

S. A. Rangwala, E. Krishnakumar andS. V. K. Kumar

7. Energy Transfer, Scattering and Dissociation Processes

in Ion-atom Collisions: CO2/Ar 363Ronald Tosh, Rahul Chawla, Anil Shuklaand Jean Futrell

Earth and Planetary Sciences (EPS)

8. Strontium Isotope Stratigraphy and Biostratigraphy ofthe Miocene Sediments, Bombay Offshore Basin, India 367

A.R. Vijan, P. Ramesh, N. Ghosh,Krishna, S. Prasad and B.N. Prabhu

9. K-Ar Dating of Girnar Igneous Complex, Gujarat 372S.S. Rathore, A. R. Vijan, N. Ghosh andB. N. Prabhu

10. Martian Atmospheric Component in the AntarcticMeteorite ALH 84001 376

Ratan K. Mohapatra and S.V.S. Murty

11. Cosmic Ray Produced Nitrogen in Meteorites:An Experimental Approach 380

Vinai K Rai and S. V.S.Murty

12. Talchir Deposits in the Gondwana Basins of Indiaand their Palaeoclimatic Significance 383

P.Ghosh, S.KBhattacharya andA.Chakrabarti

13. 40Ar-39Ar Chronology of the Bhimtal-BhowaliVolcanics, Kumaun Lesser Himalaya : Evidence forYoung Metamorphic Events 387

Kanchan Pande, Rajneesh Bhutani and M.I.Bhat

14. Sr Isotope Systematics of Amba Dongar AlkalineRocks: Evidence for Liquid Immiscibility andWall-Rock Assimilation 390

J.S. Ray andJ.R. Trivedi

15. Stable Carbon and Oxygen Isotopes in HydrothermallyAltered Carbonatites, Ambadongar, Gujarat 394

J.S.Ray and R.Ramesh

16. An early Alkaline Magmatism at Amba Dongar;Deccan Province: Evidence from Ar- Ar Chronology 398

J.S. Ray and K. Pande

17. Source(s) of Short-lived Nuclides in the Early SolarSystem: Constraint from Correlated Observationof41Caand26Al 401

5. Sahijpal and J. N. Goswami

18. Zircon Geochronology of the Singhbhum-OrissaCraton, Eastern India: An Ion Microprobe Study 405

J.N. Goswami, S. Mishra, M.P. Deomurari,M. Wiedenbeck, S.L. RayandA.K. Saha

xi

19. Sr Isotopic and Chemical Composition of Carbonatesfrom the Himalaya: Implications to Silicate VersusCarbonate Weathering and Climate Change 408

Sunil K. Singh, J.R. Trivedi, Kanchan Pandeand S. Krishnaswami

20. Pb Isotope Systematics of an Ancient Marble from theRamagiri Schist Belt 411

John K Zachariah, V. Rajamani,Gilbert N. Hanson and K. Gopalan

21. Rb-Sr Age of a Basic Dyke, Schumacher Oasis,East Antarctica 414

A.M. Dayal and S.M. Hussain

22. Pb Isotope Systematics of Tadapatri and VempalliDolomites and Pb-Pb Age of Cuddapah Sedimentation 416

J.K. Zachariah, R. Srinivasan, K. Gopalanand M. Sharma

23. Stable Isotope Systematics of Magnesites from Mysore,Southern India 419

S.Das Sharma, D.J. Patil, R. Srinivasanand K. Gopalan

24. Carbon and Oxygen Isotopic Records in the PlanktonicForaminifera from Andaman sea 422

S.M. Ahmad, C.H.M. Rao, P.S.Rao and D.J. Patil

25. ~ 1400 Ma Alkali Metasomatic Event in the SericiteDeposits and Basal Aravalli Volcanic Rocks of UdaipurRegion, Rajasthan 425

V.M. Padmakumari, B.Sreenivas, A.B. Roy,R. Srinivasan and K. Gopalan

26. Carbon and Oxygen Isotopic Composition of theCarbonate Rocks of the Proterozoic AravalliSupergroup, Udaipur Region, Rajasthan, India:Evidence for Heavy 5 C Excursion 428

B.Sreenivas, B. Kumar, R. Srinivasan, A.B. Roy

27. Oxygen Isotope Variations in a Speleothem fromJammu: Climatic Implications 432

J. T. Padia and KKSharma

XII

28. Stable Isotope Study of Water Bodies in the Himalayanand Trans-Himalayan (Kashmir) Region 436

J.T. Padia, K Pande, R. Ramesh and K.K. Sharma

29. Rb-Sr, Pb-Pb Whole Rock Isochron and Sm-Nd ModelAges of the Granitic Rocks of Sankadih-Bangurdih Area,Singhbhum Thrust Belt, Bihar 439

B.K. Pandey, D.V.LN. Sastry, Tikam ChabriaandAnjan Chaki

30. Preliminary Rb-Sr Whole Rock Ages of BasicMeta-Volcanic Rocks of Khairagarh Group, Central India 442

B.K. Pandey, D.V.LN. Sastry, Veena KrishnaandD.K Sinha

31. Rb-Sr Geochronology of Chotanagpur Gneiss-GranuliteComplex Around Kailashnathgufa Area, RaigarhDistrict M.P. 445

Veena Krishna, R.N.Prasaa\ U.K.Pandey,Tikam Chabria and V.P.Saxena

32. Sulphur Isotope Variations in Sulphides from CarbonPhyllites and Limestone from Umra-Udaisagar Areas,Udaipur District, Rajasthan : A Case Study 448

Tikam Chabria, KAsha, D.D.Pande andSandeep Hamilton

33. Rb-Sr Geochronology of Neoproterozoic Syenites inParts of Northern Tamil Nadu: Implication onPan-African Magmatism 451

U.K. Pandey, R.N. Prasad Veena Krishna,A. Paneer Selvam and Tikam Chabria

34. Ar- Ar Age of Hawaiites from Tavidar Volcanics ofJalore District, Rajasthan, India 454

S. S. Rathore and T. R. Venkatesan

35. Stable Isotope Measurements of Groundwaters inBorder Areas of Jaisalmer 458

D. Singh and S.P. Bairwa

36. ICP-MS Analysis of Geological Reference Materialfor Soils and Sediments by Sequential Extraction Method 461

KPandian and V.Balaram

xiii

37. Isotopic Analysis of Neodymium in a Granite RockSample in Presence of Samarium and Cerium by ThermalIonisation Mass Spectrometry (TIMS) 465

Radhika M.Rao, KLRamakumar, S.KAggarwaland H.CJain

3 8. Analysis of Nanogram Amounts of Nd and Sm as MetalIons by Thermal Ionisation Mass Spectrometer Coupledto a Variable Multi-Collection Faraday Cup DetectorAssembly 468

AbhijitRoy, S. Jeyakumar, K.L Ramakumar,S.K. Aggarwal, A.Sarkar andH.C. Jain

39. Carbon Isotopes of Residual Carbon in Mantle DerivedRocks: Implications to Heterogeneity 472

A. Sarkar and H.J. Hansen

40. Review of Current Status of Sulphur Isotopic Studies inOre Genesis with Special Reference to India 474

S.P. Venkata Dasu, B.R. Venkatesh, S. Roshiniand M.S. Rao

41. Rb-Sr Age of Kepsar-Thayeli Gabbroic Body, GarhwalHimalaya : Implications for Paleo-Proterozoic Basic -Acidic Bimodal Magmatism in Himalaya 478

T.Ahmad JR.Trivedi andP.KMukherjee

Inorganic Chemistry and Thermodynamcs (ICT)

42. Mass Spectrometric Trace Level Determination of

Oxygen in Nitrogen Matrix by Monitoring 32/29 Ratio 480CMS Renuka Prasad, V.K. Koul and R. V. Rao

43. Laser Induced Vaporization Time Resolved MassSpectrometric Studies on Graphite 483

N. Sivakumar and M. Joseph44. Anomalous Vaporization Behaviour during Condensed

Phase Transitions in Congruently Vaporizing Systems 487R. Viswanathan

45. Knudsen Effusion Mass Spectrometric S todies on TeO2(s) 490T.S. Lakshmi Narasimhan, R. Balasubramanian,S. Nalini andM. Sai Baba

xiv

46. Kinetics of Thermal Decomposition of CobaltEthylenediamine Complexes by EGA-MS 493

P. K. Ajikumar, M. Kamruddin, S. Dash and A. K. Tyagi

47. Correlation of M+n/M+1 Ratio for a Given Elementobtained by Spark Source Mass Spectrometry (SSMS)with the Ratio of Respective Ionisation Energies 497

K.L. Ramakumar, V.A. Raman, V.L. Sant,V.D. Kavimandan S.K. Aggarwal and H.C. Jain

48. A Quantitative Study on the Formation of PolyatomicCarbides and Multiply Charged Ions during Analysis ofLanthanides by Spark Source Mass Spectrometry (SSMS) 500

S.KAggarwal, V.LSant, V.A.Raman, V.D.Kavimandan,KLRamakumar and H.C.Jain

Instrumentation (INS)

49. Plans for AMS at the NSC Pelletron 504M.M. Narayanan, S.K. Datta, D.K. Avasti,T. Madhusoodanan and S. Mandal

50. Nebulizer based Sample Introduction for DoubleFocusing Sector Field ICP-MS 507

Rajiv S. Soman, Vijay K. Panday, Wolfgang Kerl,J. Sabine Becker and H. Joachim Dietze

51. Performance of a New Design Faraday Cup 508ZA. Palacz, C.H. Haines andPJ. Turner

52. Development of a Reflectron Time-of-Flight MassSpectrometer and Studies on Laser Ionisation of Benzene 509

N.Sivakumar, M. Joseph, P.Manoravi and C.KMathews

53. Achievements in Isotope Ratio Analysis During FiveYears of Multicollector-Inductively Coupled Plasma-Mass Spectrometry 512

John Cantle

54. New Instrumentation for MS-MS Studies Employingan Orthogonal ToF as the Product Ion Analyser to aidthe Determination of Biopolymer Structure 513

R.H. Bateman, R.S. Bordoli, A.J. Gilbert, M.R. Green,A.J. Hoyes, J. W. Letcher

xv

55. New Multi-Sector Instrument for Ion-Molecule-Laser Interactions 514

K. Vijayalakshmi, C.P. Safvan, FA. Rajgara,G. Ravindra Kumar andD. Mathur

56. Multiple Coinicidence Mass Spectrometry of Ions inHigh Charge States 516

C.P. Safvan, V.R. Bhardwaj and D. Mathur

57. Advanced GC/MS and LC/MS Technology fromHewlett-Packard 518

G. Ramakrishnan

5 8. Indigenous Realisation of Measurement Electronics forIon Signal from Mass Spectrometer 519

R. Parthasarathy, B. Suhasini and KC. Srinivas

59. In Pursuit of Indigenous Ion Mobility Spectrometer Design 523D.T. Shahani, KD.Vyas, A.K. Agarwala andA. Bhattacharya

60. Development and Evaluation of an Inductively CoupledPlasma Mass Spectrometer 527

V.Nataraju, Devaki Ramanathan, S.N.BindalandV. V.KRama Rao

61. Magnetic Field Regulator for a Double FocusingMass Spectrometer 531

A.D.Kulkarni and N.V.Rao

62. Random Errors in Isotopic Ratio Measurements 534V. V.KRama Rao

63. Design, Fabrication and Testing of Thermal IonisationMass Spectrometer (TIMS) 538

M.KGor, KAJadhav, AbdulRab, N.V.Rao, R.N.Wani,VVKRamaRao, V.B.Reddy, T.KSahaandV.KHandu

64. Experiences in the Maintenance of D/H Mass Spectrometers 543U.S.Singh, KA.Sayeed, KKNair, R.G.Ochani,KNandakumaran, A.KParkar and H.KSaini

65. Application of Double Focusing Mass Spectrometer forSample Analysis - Prospects and Problems 546

N.Padma, KKB.Nairand V.V.KRama Rao

xvi

66. Indigenous Electronics Developments for Mass Spectrometers 550T.K. Saha, R.B. Ingole, C.K Nazare and V.K. Handu

67. A Data Acquisition System for ICP-MS 553V.K. Handu, R.B. Ingole, M. Gulhane and C.K. Nazare

68. Auto-Tuning in Mass Spectrometers 556R.B.lngole, V.B. Reddy, C.K. Nazare and V.K. Handu

69. A New Ion Current Amplifier for Mass Spectrometers 560V.B. Reddy, C.K. Nazare and V.K. Handu

70. Development of a Vacuum Envelope for the New HighTemperature Mass Spectrometer Facility at IGCAR 563

D. Darwin Albert Raj, P.M. Subramanianand G. Ravisankar

71. A Digital Image Analyser for RIMS Studies 567S.S. Thattey, B.M. Suri, P.N. Bajaj and Vasdev

72. Some Experiences in the Maintenance of ThermalIonisation Mass Spectrometer (TIMS) 570

Yakub AH and S. Venkiteswaran

73. Optimization of Design Parameters of Reflectron Timeof Flight Mass Spectrometer Used for Multi PhotonStudies : Reflectron Angle, Initial Energy of Ionsand Pulse Width of the Laser 573

DAlamelu, S.V.K.Kumar, S.KAggarwal and H.C.Jain

1A. Analysis of Pesticides in Water using ProgrammedTemperature Vaporizer-GC/MS 578

Junko lida, Haruhiko, Miyagawa,Katsuhiro Nakagawa, Yuzuru Nishikawa

Nuclear Technology (NT)

75. GC-MS Study of TRUEX Process Solvent 581J.N. Mathur, M.S. Nagar, R.H. Iyer,A.T. Sipahimalani and A. Banerji

76. Determination of Boron in Nuclear Materials by usingInductively Coupled Plasma- Mass Spectrometry 584

S. Vijayalakshmi, R. Krishna Prabhu, J.K. Sekarand T. R. Mahalingam

XVII

77. Preparation and Calibration of 233U Spike for IDMS ofUranium 588

R. Balasubramanian, S. Nalini, M. Sai Baba,KN. Sabharwal, A. Suresh and T.G. Srinivasan

78. Mass Spectrometric Study of Non-isothermalDecomposition Kinetics of Nuclear Fuel Cycle Materials 591

M. Kamruddin, P. K. Ajikumar, S.Dash and A. K. Tyagi

79. Feasibility Experiments on the Simultaneous Analysisof Neodymium and Samarium by Thermal IonisationMass Spectrometry (TIMS) 595

KLRamakumar, SJeyakumar, Radhika M.Rao,S.KAggarwal and H. CJain

80. Determination of Phosphorus in Zr-2.5 %Nb Alloy bySpark Source Mass Spectrometry (SSMS) 598

V.L. Sant, VA. Raman, K.L Ramakumar,V.D. Kavimandan, S.K. Aggarwal and H.C. Jain

81. Quantification of Results for Rare Earth Elements inRare Earth Oxide Matrix by Spark Source MassSpectrometry (SSMS) 601

V.L Sant, K.L. Ramakumar, VA. Raman,V.D. Kavimandan, S.K. Aggarwal and H.C. Jain

82. Analysis of H2 and D2 Mixtures by QuadrupoleMass Spectrometry (QMS) 604

Y.S.Sayi, KLRamakumar, Rajendra PrasadC.S.Yadav, P.S.Sankaran, G.C.Chhapru, V.Venugopal,S.KAggarwal and H. CJain

83. Determination of H2 Content in Zircaloy Using HotVacuum Extraction-Quadrupole Mass Spectrometry(HVE-QMS) 607

Y.S. Sayi, Rajendra Prasad, K.L. Ramakumar,C.S. Yadav, P.S. Sankaran, G.C. Chhapru,V. Venugopal, S.K. Aggarwal, H.C. Jain andD.D. Sood

84. Isotopic Analysis of B and Rb using Polyatomic Ion

2 in Thermal Ionization Mass Spectrometry 610S.KAggarwal, P.M.Shah, DAlamelu andH.CJain

XVIII

85. Evaporation and Ionisation Behaviour of Plutonium andAmericium by Thermal Ionisation Mass Spectrometry(TIMS) from the Same Filament Loading with aMulticollector Detector

S.KAggarwal, P.M.Shah, DAlamelu andH.CJain235

86. Evaluation of U Spike in Isotope Dilution - ThermalIonization Mass Spectrometry (ID-TIMS) fordetermining Uranium Concentration in DissolverSolution of Irradiated Fuel

S.KAggarwal, P.M.Shah, A.V.Kadam andH.CJain

Organic and Biochemistry (OB)

615

619

87. Transformation of Halogenated Environmental Pollutantsby a Genetically Engineered Pseudomonas : Identificationof Metabolites by GC-MS 623

R. Shanker, S. D. Wachasunder, K. Rattanand P. Khanna

88. El-Mass Spectral Fragmentation of 2-Aryloxy-5,6-Dimethyl-1,3,4,7,2-Dioxadiazaphosphepine 2-Sulfides 626

P. Mallikarjuna Reddy and C. Devendranath Reddy

89. Mass Spectral Studies on Steroidal Compounds : RingB-Enol Lactones in the Cholestane Series 629

M.S. Ahmad, Shafiullah, M.Mushfiq, F. WarisandJamal Firoz

90. Mass Spectral Studies on Steroidal Compounds : 5^-Formyl-5- Lactones and Ring B a, P-Unsaturated-e- Lactones 632

M.S. Ahmad, Shafiullah, M. Mushfiq and Jamal Firoz

91. El, HR and CAD Mass Spectral Studies of 1,15-Diphenyl-2H-Azeto [1,2-e] Dibenzo [c,i] [1,2,5,8] Dithiadiazecines 635

C. Naga Raju, M.V.S.R. Prasad and G.S. Reddy

92. Mass Spectral Fragmentation Patterns of2-[(5-Ajyl-2-Furyl)Vinyl]-3-Aryl-Quinazolin-4-ones 638

B. Shivarama Holla, P.M. Akberali andM.K. Shivananda

XIX

93. Mass Spectral Fragmentation Patterns of some4-[5-aryl-2- furfurylidene]-3- mercapto-5-substituted-l,2,4-triazoles and 6-(5- aryl-l-2-furyl)-1,2,4- triazolo[3,4-b]- 1,3,4-thiadiazoles 641

B. Shivarama Holla, M.K Shivanandaand P.M. Akberali

94. Mass Spectral Analysis of Some Degreasing Solvents 645K.O. Paul, K.L Ramesh, R.V. Rao

95. Electron Impact Mass Spectral Studies on Semicarbazones,Selenadiazoles and Thiadiazoles 649

D. Bhaskar Reddy, M. V. Ramana Reddy andV. Padmavathi

96. Analysis of Carbohydrates by LSIMS in Presence ofAminoacid 652

K. Suma, S. Prabhakar and M. Vairamani

97. Generation and Characterization of Ionic and Neutral(Methyl-Thio) Oxophosphane [CH3S-P=O]+-/ and(Methyoxy) Oxophosphane [CH3O-P=O]+y

Neutralization-Reionization Mass Spectrometry 6555. Vivekananda and R. Srinivas

98. Mass Spectral Study of Isomeric Benzoxazolinones byElectron Impact 658

S. Prabhakar, B.B. Gawali and M. Vairamani

99. Mass Spectral Study of Diastereomers by Electron Impact-Hi 6615. Prabhakar, P. Krishna and M. Vairamani

100. Calibration of a Quadrupole Mass Spectrometer forFive Different Gases 664

Pardeep Mohan, M. Bergoglio, A. Calcatelliand G. Rumiano

101. A Simple Technique for N Analysis of Nitrogen inSoil Inorganic Pool by ANCA-Mass Spectrometer 668

KS. Uppal andA.R. Till

102. Quadrupole Mass Spectrometry of Organic Moleculesin Intense Laser Fields 673

K Vijayalakshmi and D. Mathur

xx

103. Mass Spectral Studies on Substituted Phenyl1,1' -Dicyano-Oxiranes 676

P.K. Gutch, S.K. Raza, D.N. Tripathi andR.C. Malhotra

104. GC/MS as a Tool for the Identification of Fluorohydrinsin Reaction Mixtures 680

S.K Raza, P.S. Bhadury, B.P. Pant, M. PalitandD.K. Jaiswal

105. Detection of Toxins by Electrospray Mass Spectrometry 683S. K. Raza, A. K. Gupta, R. S. Dangi and D. K. Jaiswal

106. Mass Spectral Studies on Synthetic Analogues ofOrganophosphorus Toxin Isolated from Ptychodiscus Brevis 687

A.K. Gupta, S.K Raza, R. V. Swamy andD.K. Dubey

107. Detection and Analysis of Metabolites of ToxicOrganophosphorus Compounds by ESI/MS 691

S. K. Raza, A. K. Gupta andD. K Dubey

108. In Search of Molecular Ion 695D.N. Tripathi and A. Bhattacharya

109. Mass Spectral Studies on Steroidal Nitrimines 698M.S. Ahmad and S.K. Raza

110. Mass Spectrometry of Some Important CWC RelatedChemicals : Mass Spectra of Alkylphosphonic Acids 701

M. Sokolowski

Petroleum Exploration and Processing (PEP)

111. Role of GC-MS Based Biomarker Parameters inAssessment of Maturity of Oils Derived from HydrogenDeficient Organic Matter 712

M.S. Raza Khan, Anil Pande, J.P. Goel, A.K. Sharma,M. Mathur and K.N. Misra

112. Stable Isotope Geochemistry of Natural Gases of BengalBasin, India 717

A.KMittal, M.Mathur and KN.Misra

xxi

113. Identification of C2 and C3 Naphthalenes in Crude Oilsby GC-MS and their Use as Indicators of Source OrganicInput, Depositional Environment and Maturity 722

B.P. Singh, A.K. Sharma, M.S.R. Khan,Anil Pande, Manju Mathur and K.N. Misra

114. Analytical Studies of Olefmic Hydrocarbons in PyrolysisGasoline by Mass Spectrometry 727

Basant Kumar, R.B. Gupta and Pradeep Kumar

About the Authors of Invited Talks 731

Author Index 747

XXII