Bulletin of Osaka Prefectural Institute of Public Health

Bulletin of Osaka Prefectural Institute of Public Health

Online ISSN : 2185-4076
ISSN-L : 1343-2923

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Volume 49

Displaying 1-11 of 11 articles from this issue

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West Nile Virus Surveillance in Osaka Prefecture (Fiscal 2010 Report)

2011 Volume 49 Pages 1-6
Published: 2011
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.24693/bopiph.49.0_1

RESEARCH REPORT / TECHNICAL REPORT OPEN ACCESS

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Determination of Cyclamic acid in Processed foods Using Liquid Chromatography-Maa Spectrometry

2011 Volume 49 Pages 7-10
Published: 2011
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.24693/bopiph.49.0_7

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Analysis of Patulin in Apple Juice (2006-2010)

2011 Volume 49 Pages 11-14
Published: 2011
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.24693/bopiph.49.0_11

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Determination of Anthelmintic Drugs in Livestock Products by LC-MS/MS

2011 Volume 49 Pages 15-19
Published: 2011
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.24693/bopiph.49.0_15

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Multiresidue Method for the Determination of Hormones in Livestock Products Using Liquid Chromatography/Tandem Mass Spectrometry

2011 Volume 49 Pages 20-23
Published: 2011
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.24693/bopiph.49.0_20

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Survey of Emvironmental and Food Radioactivity in Osaka Prefecture (Fiscal 2010 Report)

2011 Volume 49 Pages 24-30
Published: 2011
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.24693/bopiph.49.0_24

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Round-robin Test toward the Revision of Analytical Method for Tributyltin Compounds and Triphenyltin Compounds - Examination on the Analytical Results Obtained by Osaka Prefectural Institute of Public Health -

2011 Volume 49 Pages 31-38
Published: 2011
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.24693/bopiph.49.0_31

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According to the “Act on the Control of Household Products Containing Harmful Substances,”tributyltin compounds (TBT) and triphenyltin compounds (TPT) are banned from using at present. In order　to introduce GC/MS method (gas chromatography mass spectrometry) as an official analytical method for　TBT and TPT, a round-robin test, in which identical samples (textile products, water-based adhesives, and　oil paints) are analyzed by several groups using the same method, was conducted. This institute also joined　the project and examined its analytical results through comparison with the results obtained around three　months before by National Institute of Health Sciences. The results are as follows; (1)Both reproducibility and surrogate recovery rate were consistent, and　measurement up to the precision of 0.1 μg/g was possible. This suggests the possibility of adoption as the　official analytical method. (2)Regarding TBT, almost the same results were obtained on all samples. (3)Regarding TPT, almost the same results were obtained on water-based adhesives. However, a slight　decreasing tendency was observed on textile products due to the elapse of time (three months), and a distinct　decrease was observed on oil paints. These phenomena may have been caused by the dephenylation of TPT. Although the setting concentrations of both substances were 0.1 μg/g, 1.0 μg/g, and 10 μg/g, these　concentrations were lower than the figures of actual use. In addition, the case of detection of TBT is usually　limited to the case as the impurity of dibutyltin (DBT), and TPT tended to show a time-dependent decrease. Apprehension is that when trace values of TBT and TPT are set as standard values for control, judgment for　administrative measures may be difficult. It is considered that the standard values for control should be set　in correlation with detailed up-to-date toxicological data.

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Result of External Quality Control Program for Analysis of Drinking Water - Zinc -

2011 Volume 49 Pages 39-44
Published: 2011
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.24693/bopiph.49.0_39

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Result of External Quality Control on the Analytical Measures for Tap Water in Osaka Prefecture - Total Solids (2009) -

2011 Volume 49 Pages 45-52
Published: 2011
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.24693/bopiph.49.0_45

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Automated Determination of Free Residual Chlorine in Hot Spring Water

2011 Volume 49 Pages 53-60
Published: 2011
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.24693/bopiph.49.0_53

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Results of External Quality Control on the Analytical Measures for Tap Water in Osaka Prefecture - cis-1,2-Dichloroethylene and trans-1,2-Dichloroethylene (2010) -

2011 Volume 49 Pages 61-72
Published: 2011
Released on J-STAGE: July 31, 2019

DOIhttps://doi.org/10.24693/bopiph.49.0_61

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