BUNSEKI KAGAKU

Vol. 61 No. 4

April, 2012

Table of Contents

Annual Topic “Fire” : Research Papers
Infrared Emission Spectroscopic Imaging of a Combustion Flame
Shigeaki MORITA, Ai YATSUHASHI and Kuniyuki KITAGAWA 275
Annual Topic “Fire” : Analytical Reports
Evaluation of Heavy Metals Eluted from Fused Slag Caused by General Garbage
Jun KOBAYASHI, Keiichi IKEDA, Hiroshi TERADA, Mariko MOCHIZUKI and Hideo SUGIYAMA 281

Annual Topic “Earth” : Accounts
Characterization of Soil Humic Acids by 13C NMR Spectroscopy and High Performance Size Exclusion Chromatography
Nobuhide FUJITAKE, Daichi ASAKAWA and Yukiko YANAGI 287
Annual Topic “Earth” : Research Papers
An Attempt to Identify Minerals in the Itokawa Dust Particles by Micro-Raman Spectroscopy
Takaaki NOGUCHI, Makoto KIMURA, Tomoki NAKAMURA, Tomio KITAJIMA, Akira TSUCHIYAMA, Masanao ABE, Akio FUJIMURA, Toshifumi MUKAI, Tatsuaki OKADA, Munetaka UENO, Toru YADA, Yukihiro ISHIBASHI, Kei SHIRAI and Ryuji OKAZAKI 299
Annual Topic “Earth” : Technical Papers
Solid-phase Extraction of Lead and Cadmium in Fresh Water on Hydrotalcite and Their Determination by Graphite Furnace Atomic Absorption Spectrometry
Hiroaki MINAMISAWA, Taisuke TAKUBO, Hiromichi ASAMOTO, Mayumi MINAMISAWA, Kazunori SAITOH, Tatsuro NAKAGAMA and Masami SHIBUKAWA 311

Research Papers
Observation of Annual Changes in the Concentrations of Atmospheric NOx, SO2 and O3 in Mountains around the Kyoto Basin after the Collection with Passive Samplers (1996–2005)
Etsu YAMADA, Shigekazu UMEMURA and Yasuro FUSE 319
Technical Papers
Development of the GC-MS Method Following Phenylation to Quantify Methylmercury in Foods
Tomonori SAKAMOTO, Kouichi AKAKI, Takahiro WATANABE, Rieko MATSUDA and Hiroshi HIWAKI 327
A Monolith-like Macroporous Reversed Phase/Anion Exchange Mixed-mode Adsorbent Sintered with a Polyethylene Powder for Solid-phase Extraction
Toshifumi KATOH, Yoshinori INOUE, Waka KAMICHATANI, Mitsuru SAITO, Shigehiro KAGAYA and Atsushi YAMAMOTO 335
Notes
Stability Study of Sennoside Standard Solution and Structure Analysis of Degradation Product
Mitsuko TAKAHASHI, Katsumi SAKURAI and Koichi SAITO 341
Analytical Reports
Interlaboratory Study for Determination of Vitamin B12 in Fortified Food Measured by Microbiological Assay
Teruki MATSUMOTO, Haruna SUZUKI, Jun TAKEBAYASHI, Taro MURAKAMI, Kota FUKUSHIMA, Tayoshi IIZUKA, Mikihiko YOSHIDA, Yasuhiro NAGAO, Rui TAKEMURA, Rie SAITO and Yoshiko ISHIMI 347