Agilent 7900 ICP-MS 1 1 Ed McCurdy 2 1 Agilent Technologies, Japan 2 Agilent Technologies, UK

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1 Agilent 7900 ICP-MS 1 1 Ed McCurdy 2 1 Agilent Technologies, Japan 2 Agilent Technologies, UK

2 Na P K Ca Co Cu Sr Cd Ce Cs Tl 11 [1]18 [2] (FAO) (WTO) (Codex) Pb Cd As Sn Pb 0.3 mg/kg Cd 0.4 mg/kg 0.2 mg/kg 0.1 mg/kg ICP-MS ICP-MS ICP- OES AAS ICP-MS ICP-OES AS ICP-OES AAS ICP- MS (CRC) Agilent 7900 ICP-MS ICP-MS MassHunter (CRM) Agilent 7900 ICP-MS (UHMI) H 2 Agilent 7900 ICP-MS UHMI 7900 ICP-MS H 2 DLs () H 2 He 2.5 mm Ni 50 ml Agilent 2

3 ASX-520 CRM Milestone ETHOS 1 Advanced Microwave Digestion 0.5 g 7 ml HNO 3 1 ml HCl 20 1 ICP-MS (As Se P ) [3 4] Hg ICP-MS (210 ºC) 2 % -1- CRM NRC-CNRC DORM-4 ( ) (NMIJ) CRM 7402-a ( ) CRM 7403-a () 68 % HNO 3 36 % HCl (Ultrapur-100 ) () ( ) Hg Sn (SPEX ) 7900 ICP-MS MassHunter 4.1 Agilent ICP-MS (TDS) ICP-MS 1. (W) (ºC) ( ) ( )

4 2. a. (2 % HNO 3 ) b. () c. () d. 3. () ( DL) 1 3 DORM-4 CRM 2 (TDS) TDS 1000 ppm 3 4 ORS (TDS) (d. ) TDS (UHMI ) ( He (HE) He H 2 ) UHMI-25 He ( ) 2. ORS H 2 He HEHe RF 1550 W 8 mm 1.05 L/min 1 0 V V He 4.3 ml/min 10 ml/min H 2 6 ml/min rps rps () rps () rps rps 4

5 図 1. メソッドの概要とハードウェア構成が表示されオペレータは次にメソッドウィザードのモードを選択します (手動 (上) か自動 (下) か) 図 2. オペレータが分析対象元素と必要な溶液のバイアルポジションを選択し事前に定義された内標準とキャリブレーション原液を選択します図 3. オペレータがメソッドの優先順位 (最高の速度または最小の検出下限のための最適化) を選択するとメソッドが最適化されます最適化されたメソッドは新しいバッチに使用することも今後の分析のテンプレートとして保存することもできます 5

6 4. ( ) ICP-MS ( ) ( ) Be 9 6 Li 10 9 Sc Na 23 6 Li 0.1 He 23 Sc Mg 24 6 Li 0.1 He 24 Sc P HEHe 31 Sc 0.1 HEHe 31 Sc S HEHe 34 Sc 1 HEHe 34 Sc K H 2 39 Sc 0.1 H 2 HEHe 39 Ca H 2 40 Sc 0.1 H 2 HEHe 40 (H 2 ) 44 (HEHe) V He 51 Sc 0.1 He 51 Cr He 52 Sc 0.1 He Mn He 55 Sc 0.1 He 55 Fe H H 2 HEHe Co He He 59 Ni He He 60 Cu He He 63 Zn He He As HEHe He HEHe 75 Se H H 2 HEHe Sr He 88 In 0.1 He 88 Rh Mo He 95 Rh 0.3 He 95 Rh Ag He 107 Rh 1 He 107 Rh Cd He 111 Rh 1 He 111 In Sn He 118 In 1 He 118 In Sb He 121 In 10 He 121 In Ba He 137 In 0.1 He In Hg He 202 Bi 0.3 He 202 Bi Tl He 205 Bi 1 He 205 Bi Pb He 208 Bi 0.1 He 208 Bi Th He 232 Bi 0.1 He 232 Bi U He 238 Bi 0.3 He 238 Bi 6

7 3 CRM ICP-MS () % 4 2 ICP-MS MassHunter CRM ICP-MS 7

8 5. ICP-MS MassHunter CRM DORM-4 () 7402-a () 7403-a () 9 Be [] mg/kg N.D.(<0.0008) N.D.(<0.0008) 23 Na [] g/kg Mg [] g/kg P [HEHe] g/kg S [HEHe] g/kg K [H 2 ] g/kg Ca [H 2 ] g/kg V [He] mg/kg N.D.(<0.014) N.D.(<0.014) 52 Cr [He] mg/kg Mn [He] mg/kg Ca [H 2 ] mg/kg Co [He] mg/kg Ni [He] mg/kg Cu [He] mg/kg Zn [He] mg/kg As [HEHe] mg/kg Se [H 2 ] mg/kg Sr [He] mg/kg Mo [He] mg/kg N.D.(<0.0008) 107 Ag [He] mg/kg N.D.(<0.0050) N.D.(<0.0050) 111 Cd [He] mg/kg Sn [He] mg/kg Sb [He] mg/kg Ba [He] mg/kg Hg [He] mg/kg Tl [He] mg/kg N.D.(<0.010) N.D.(<0.010) 208 Pb [He] mg/kg Th [He] mg/kg N.D.(<0.0008) N.D.(<0.0008) 238 U [He] mg/kg N.D.(<0.0010) N.D.(<0.0010) 8

9 6. % 9 Be [] µg/l Na [] mg/l Mg [] mg/l P [HEHe] mg/l S [HEHe] mg/l K [H 2 ] mg/l 5.1 N/A* N/A N/A 40 Ca [H 2 ] mg/l V [He] µg/l Cr [He] µg/l Mn [He] µg/l Fe [H 2 ] mg/l Co [He] µg/l Ni [He] µg/l Cu [He] µg/l Zn [He] µg/l As [HEHe] µg/l Se [H 2 ] µg/l Sr [He] µg/l Mo [He] µg/l Ag [He] µg/l Cd [He] µg/l Sn [H 2 ] µg/l Sb [He] µg/l Ba [He] µg/l Hg [He] µg/l Tl [He] µg/l Pb [He] µg/l Th [He] µg/l U [He] µg/l * 9

10 1. Kaoru Ariyama, Akemi Yasui, JARQ, 40, 4, (2006) 2. Cinzia Benincasa, John Lewis, Enzo Perri, Giovanni Sindona, Antonio Tagarelli, Anal.Chim.Acta, 585, (2007) 3. Erik H. Larsen, Stefan Sturup, J. Anal.At.Spectrom., 9, 10, (1994) 4. Maurizio Pettine, Barbara Casentini, Domenico Mastroianni, Silvio Capri, Anal.Chim.Acta, 599, 2, (2007) Agilent Technologies, Inc Published May 30, 2014 Publication number: JAJP

JAJP

JAJP Agilent 7500ce ORS ICP-MS Glenn Woods Agilent Technologies Ltd. 5500 Lakeside, Cheadle Royal Business Park Stockport UK Agilent 7500ce ICP-MS 5 7500ce (ORS) 1 ORS 7500ce ORS ICP-MS ( ) 7500 ICP-MS (27.12