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1

Contamination in food from packaging material

Oi-Wah Lau, Siu-Kay Wong

Journal:

Journal of Chromatography A

Year:

2000

Language:

english

File:

PDF, 405 KB

english, 2000

2

Spectrophotometric method for the determination of ethanol in beverages and beer samples using cerium (IV) as reagent

OI-WAH LAU, SHIU-FAI LUK

Journal:

International Journal of Food Science & Technology

Year:

1994

Language:

english

File:

PDF, 235 KB

english, 1994

3

Spectrophotometric determination of aspartame in soft drinks with ninhydrin as reagent

Lau, Oi-Wah, Luk, Shiu-Fai, Chan, Wai-Ming

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1988

Language:

english

File:

PDF, 416 KB

english, 1988

4

Background-correction methods for the determination of caffeine in beverages, coffee and tea by using second-derivative ultraviolet spectrophotometry

Lau, Oi-Wah, Luk, Shiu-Fai, Cheng, Oi-Ming, Chiu, Teresa P. Y.

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1992

Language:

english

File:

PDF, 756 KB

english, 1992

5

Direct spectrophotometric determination of iron in vegetable oils

Oi-Wah Lau, Chuen-Shing Mok

Journal:

Journal of the Science of Food and Agriculture

Year:

1982

Language:

english

File:

PDF, 301 KB

english, 1982

6

Determination of glucose using a piezoelectric quartz crystal and the silver mirror reaction

Oi-Wah Lau, Bing Shao

Journal:

Analytica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 182 KB

english, 2000

7

Spectrophotometric determination of single synthetic food colour in soft drinks using ion-pair formation and extraction

OI-WAH LAU, MEGGY M.K. POON, SIU-CHEUNG MOK, FANNY M.Y. WONG, SHIU-FAI LUK

Journal:

International Journal of Food Science & Technology

Year:

1995

Language:

english

File:

PDF, 353 KB

english, 1995

8

Determination of Free Lime in Clinker and Cement by Iodometry. An Undergraduate Experiment in Redox Titrimetry

Lau, Oi-Wah, Luk, Shiu-Fai, Cheng, Nina L. N., Woo, Hoi-Yin

Journal:

Journal of Chemical Education

Year:

2001

Language:

english

File:

PDF, 81 KB

english, 2001

9

The migration of plasticizers from cling film into food during microwave heating—effect of fat content and contact time

Oi-Wah Lau, Siu-Kay Wong

Journal:

Packaging Technology and Science

Year:

1996

Language:

english

File:

PDF, 432 KB

english, 1996

10

Determination of ascorbic acid in vegetables and fruits by differential pulse polarography

Oi-Wah Lau, Kwok-Keung Shiu, Shu-Ting Chang

Journal:

Journal of the Science of Food and Agriculture

Year:

1985

Language:

english

File:

PDF, 360 KB

english, 1985

11

Simultaneous determination of traces of iron, cobalt, nickel, copper, mercury and lead in water by energy-dispersive x-ray fluorescence spectrometry after preconcentration as their piperazino-1,4-bis(dithiocarbamate) complexes

Oi-Wah Lau, Sing-Yiu Ho

Journal:

Analytica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 715 KB

english, 1993

12

Indirect conductimetric detection of amino acids after liquid chromatographic separation

Lau Oi-Wah, Mok Chuen-Shing

Journal:

Analytica Chimica Acta

Year:

1995

Language:

english

File:

PDF, 727 KB

english, 1995

13

Indirect conductometric detection of amino acids after liquid chromatographic separation. Part II. determination of monosodium glutamate in foods

Oi-Wah Lau, Chuen-Shing Mok

Journal:

Analytica Chimica Acta

Year:

1995

Language:

english

File:

PDF, 590 KB

english, 1995

14

Evaluation of methods to minimize effects of liquid viscosity and density on the oscillating frequencies of thickness-shear-mode (TSM) piezoelectric resonators

Oi-wah Lau, Bing Shao, Wuming Zhang

Journal:

Analytica Chimica Acta

Year:

1995

Language:

english

File:

PDF, 457 KB

english, 1995

15

Correction for the effects of viscoelastic changes in a piezoelectric quartz crystal by the multiple linear regression method

Oi-Wah Lau, Bing Shao

Journal:

Analytica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 694 KB

english, 1997

16

Mathematical model for the migration of plasticisers from food contact materials into solid food

Oi-Wah Lau, Siu-Kay Wong

Journal:

Analytica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 688 KB

english, 1997

17

Determination of zinc in environmental samples by anodic stripping voltammetry

Oi-Wah Lau, Oi-Ming Cheng

Journal:

Analytica Chimica Acta

Year:

1998

Language:

english

File:

PDF, 122 KB

english, 1998

18

Affinity mass sensors: determination of fructose

Oi-Wah Lau, Bing Shao, Michelle T.W. Lee

Journal:

Analytica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 177 KB

english, 2000

19

Affinity mass sensors: concept and general considerations

Oi-Wah Lau, Bing Shao

Journal:

Analytica Chimica Acta

Year:

2000

Language:

english

File:

PDF, 122 KB

english, 2000

20

A new approach to a coding and retrieval system for infrared spectral data: The `Effective Peaks Matching' method

Oi-Wah Lau, Ping-Kay Hon, Tao Bai

Journal:

Vibrational Spectroscopy

Year:

2000

Language:

english

File:

PDF, 77 KB

english, 2000

21

A survey on the composition of mineral water and identification of natural mineral water

Oi-Wah Lau, Shiu-Fai Luk

Journal:

International Journal of Food Science & Technology

Year:

2002

Language:

english

File:

PDF, 106 KB

english, 2002

22

Hepatoprotective effect of Sabina przewalskii against menadione-induced toxicity

Siu-Po Ip, Ka-Yan Woo, Oi-Wah Lau, Chun-Tao Che

Journal:

Phytotherapy Research

Year:

2004

Language:

english

File:

PDF, 73 KB

english, 2004

23

Permeability of naphthalene in different types of polymeric food packaging materials

Oi-Wah Lau, Siu-Kay Wong

Journal:

Packaging Technology and Science

Year:

1995

Language:

english

File:

PDF, 403 KB

english, 1995

24

A mathematical model for the migration of naphthalene from the atmosphere into milk drink packaged in polyethylene bottles

Oi-Wah Lau, Siu-Kay Wong, Ka-Sing Leung

Journal:

Packaging Technology and Science

Year:

1995

Language:

english

File:

PDF, 493 KB

english, 1995

25

Determination of plasticisers in food by gas chromatography-mass spectrometry with ion-trap mass detection

Oi-Wah Lau, Siu-Kay Wong

Journal:

Journal of Chromatography A

Year:

1996

Language:

english

File:

PDF, 270 KB

english, 1996

26

High-performance liquid chromatographic determination of atropine and atropine-like alkaloids in pharmaceutical preparations with indirect conductometric detection

Oi-Wah Lau, Chuen-Shing Mok

Journal:

Journal of Chromatography A

Year:

1997

File:

PDF, 371 KB

1997

27

Distillation-extraction of styrene migrating from polystyrene containers to foods by gas chromatography

OI-WAH LAU, MAN-TUNG LUNG, CHUEN SHING MOK

Journal:

International Journal of Food Science & Technology

Year:

1995

Language:

english

File:

PDF, 449 KB

english, 1995

28

Analysis of siliceous materials and coal by atomic absorption spectrophotometry with fusion for sample decomposition

Oi-Wah Lau, Lik Lam, Shiu-Fai Luk

Journal:

Year:

2000

Language:

english

File:

PDF, 91 KB

english, 2000

29

Simultaneous determination of ascorbic acid, caffeine and paracetamol in drug formulations by differential-pulse voltammetry using a glassy carbon electrode

Lau, Oi-Wah, Luk, Shiu-Fai, Cheung, Yiu-Ming

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1989

Language:

english

File:

PDF, 595 KB

english, 1989

30

Spectrophotometric determination of tannins in tea and beer samples with iron(III) and 1,10-phenanthroline as reagents

Lau, Oi-Wah, Luk, Shiu-Fai, Huang, Hsiao-Lan

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1989

Language:

english

File:

PDF, 434 KB

english, 1989

31

Determination of ascorbic acid in pharmaceuticals using direct ultraviolet spectrophotometry

Lau, Oi-Wah, Luk, Shiu-Fai, Wong, Kit-Sum

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1987

Language:

english

File:

PDF, 381 KB

english, 1987

32

Iodimetric method for the determination of sorbic acid in soft drinks

Lau, Oi-Wah, Luk, Shiu-Fai

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1987

Language:

english

File:

PDF, 503 KB

english, 1987

33

Naphthalene contamination of sterilized milk drinks contained in low-density polyethylene bottles. Part 1

Lau, Oi-Wah, Wong, Siu-Kay, Leung, Ka-Sing

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1994

Language:

english

File:

PDF, 792 KB

english, 1994

34

Simultaneous determination of methyl salicylate and thymol in various pharmaceutical formulations by differential-pulse voltammetry using a glassy carbon electrode

Lau, Oi-Wah, Luk, Shiu-Fai, Wong, Wai-Chu

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1988

Language:

english

File:

PDF, 420 KB

english, 1988

35

Spectrophotometric method for the determination of sorbic acid in various food samples with iron(III) and 2-thiobarbituric acid as reagents

Lau, Oi-Wah, Luk, Shiu-Fai, Lam, Richard K. M.

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1989

Language:

english

File:

PDF, 424 KB

english, 1989

36

Simultaneous determination of some active ingredients in cough-cold syrups by gas-liquid chromatography

Lau, Oi-Wah, Cheung, Yiu-Ming

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1990

Language:

english

File:

PDF, 558 KB

english, 1990

37

Spectrophotometric determination of taurine in food samples with phenol and sodium hypochlorite as reagents and an ion-exchange clean-up

Lau, Oi-Wah, Luk, Shiu-Fai, Chiu, Teresa P. Y.

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1990

Language:

english

File:

PDF, 381 KB

english, 1990

38

Novel static cold vapour atomic-absorption method for the determination of mercury

Hon, Ping-Kay, Lau, Oi-Wah, Wong, Man-Chaun

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1983

Language:

english

File:

PDF, 614 KB

english, 1983

39

Determination of arsenic and antimony by hydride generation atomic absorption spectrometry using a small hydride generator

Hon, Ping-Kay, Lau, Oi-Wah, Tsui, Shu-Ki

Journal:

Journal of Analytical Atomic Spectrometry

Year:

1986

Language:

english

File:

PDF, 777 KB

english, 1986

40

Uses of silica cells for the static cold vapour atomic-absorption determination of mercury without background correction

Lau, Oi-wah, Hon, Ping-kay, Cheung, Ching-ying, Wong, Man-chaun

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1984

Language:

english

File:

PDF, 514 KB

english, 1984

41

Background correction method for the determination of ascorbic acid in soft drinks, fruit juices and cordials using direct ultraviolet spectrophotometry

Lau, Oi-Wah, Luk, Shiu-Fai, Wong, Kit-Sum

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1986

Language:

english

File:

PDF, 786 KB

english, 1986

42

Determination of mercury in chinese medicinal pills by cold vapour atomic-absorption spectrometry

Lau, Oi-wah, Hon, Ping-kay, Cheung, Ching-ying, Chau, Mei-hing

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1985

Language:

english

File:

PDF, 347 KB

english, 1985

43

Naphthalene contamination of sterilized milk drinks contained in low-density polyethylene bottles. Part 2. Effect of naphthalene vapour in air

Lau, Oi-Wah, Wong, Siu-Kay, Leung, Ka-Sing

Journal:

The Analyst (Royal Society of Chemistry)

Year:

1995

Language:

english

File:

PDF, 440 KB

english, 1995

44

Spectrophotometric Determination of Ascorbic Acid in Canned Fruit Juices, Cordials, and Soft Drinks with Iron(III) and 1,10-Phenanthroline as Reagents

Lau, Oi-Wah, Luk, Shiu-Fai

Journal:

Journal of AOAC International

Year:

1987

Language:

english

File:

PDF, 349 KB

english, 1987