BUNSEKI KAGAKU

Vol. 58 No. 5

May, 2009

Table of Contents

Accounts
Development of Portable X-Ray Diffractometer Equipped with X-Ray Fluorescence Spectrometer and Its Application to Archaeology
Daisuke Yamashita, Atsushi Ishizaki and Masayuki Uda 347
Research Papers
Quantitative Analysis for Water-soluble Porphyrin Derivatives Adsorbed in Saccharomyces cerevisiae by Absorption Spectrophotometry Using Confocal Laser Scanning Microscope
Tomoko Matsumoto, Takuro Nakahara, Jin Matsumoto, Tsutomu Shiragami and Masahide Yasuda 357
A Test Method for Determining Volatility and Degradability of Polybrominated Diphenylethers Using Headspace/Gas Chromatograph/Inductively Coupled Plasma Mass Spectrometer
Hiroaki Tao and Tetsuya Nakazato 363
Technical Papers
Determination of Trace Amounts of Boron in Silicon and Germanium by Curcumin Spectrophotometry after Methyl Borate Distillation
Mikio Ishikuro and Kazuaki Wagatsuma 373
Optimum Conditions for the Determination of Total Nitrogen in Vinegar by the Kjeldahl Method
Yoshiko Hashimoto, Yoshihiro Chuda, Tadanao Suzuki and Akemi Yasui 379
A Simple Method for Transferring DNA from DNA Printed Matter
Yumiko Munakata and Aiichiro Hara 387
Notes
Determination of Cadmium by Inductively Coupled Plasma Atomic Emission Spectrometry Using a Newly Designed Double Chamber Electrothermal Vaporization System
Akihiro Matsumoto, Shusuke Osaki, Toshitsugu Kobata, Yuji Ohshita, Tetsushi Yamamoto, Bunji Hashimoto and Hiroshi Uchihara 393
Analytical Reports
Analytical Investigation on the Changes of Proton Exchange Membrane Fuel Cell Electrode Catalysts under a Long-Term Durability Test
Masahiro Ide and Hironosuke Ikeda 399
Development of Primary Reference Gas Mixture of CF4 and SF6 in N2 as CRM for Measurements of Their Emission from Semiconductor Process Tool
Nobuhiro Matsumoto, Fumiko Noguchi, Nobuyuki Aoki, Kenji Kato, Ryuichiro Isaki, Susumu Sakata, Hidetoshi Yoshida and Takuya Ikeda 407