Transcription of 2－7 微量元素の分析 - gakushuin.ac.jp
1 ICP (ICP-MS: Inductively Coupled Plasma Mass Spectrometry) ICP (ICP-AES: Inductively Coupled Plasma Atomic Emission Spectrometry) (AAS: Atomic Absorption Spectrometry) X (XRF: X-ray Fluorescence Analysis) (NAA: Activation Analysis) ICP ICP 111 92 100 Clark O Si H Al Na Ca Fe Mg K Ti 99
2 Trace elements 2 1 O 16 N 2 Si 17 F 3 Al 18 Rb 4 Fe 19 Ba 5 Ca 20 Sr 6 Na 21 Cr 7 K 22 V 8 Mg 23 Ni 9 H 24 Zn 10 Ti 25 Cu 11 Cl 26 Li 12 Mn 27 Co 13 P 28 Sn 14 C 29 Pb 15 S 30 Mo ppm ppb ppt ppm part per million 10-6 mg/kg mg/L ppb part per billion 10-9 g/kg g/L ppt part per trillion 10-12 ng/kg ng/L ICP-MS ICP-AES 3.
3 1 . m a,b m m 1a b 50mL m ICP-MS ICP-AES I- I2 4.
4 100 C 40 C . cm 2 3 1mm 2mm.
5 2 . 5 50mg 20mL HF: 3mL HNO3: 3mL HClO4: 12 120 C 150 C 150 C 100 C
6 1mL 6 ICP-MS ICP-AES . ICP-MS 100 500mg 1000 C TMAH(tetramethyl ammonium hydroxide) ( )
7 ,I- 7 . 10 850 C 30 60 CaF2 .3 contamination 50 8
8 AA Ultrapur-100 cm TOC 1ppb 611 Q ..1 1000ppm Spex TMAH 0ppb 4 5.
9 2 NIST IAEA IAEA ..1 ICP-MS ICP- 9 ICP 6000 7000 ICP-MS Internal standard
10 In, Rh, Bi ICP-MS ICP-MS I- 100ppm Cs-133 In-115 100ppm 1 3 10 30ppb Cl-35 Br-79 ICP-MS
