࠙໬Ꮫ㸦ゎ⟅㸧ࠚ[I]
ၥ 1 㖡ࡢ㟁ゎ⢭㘐࡛ࡣ㸪㖟ࡸ㔠ࡀ࢖࢜ࣥ໬ࡋ࡞࠸⛬ᗘࡢప㟁ᅽ࡛㟁Ẽศゎࡍࡿࡓࡵ㸪࢖࢜ࣥ໬ഴྥࡀ㖡ࡼࡾ኱ࡁ࠸୙⣧≀㔠ᒓࡣ࢖࢜ࣥ໬ࡍࡿࡀ㸪࢖࢜ࣥ໬ഴྥࡀ㖡ࡼࡾᑠࡉ࠸୙⣧≀㔠ᒓࡣ༢యࡢࡲࡲ㝧ᴟἾ࡜ࡋ࡚ỿẊࡍࡿࠋ┿㘷ࡣ㖡࡜ள㖄ࡢྜ㔠࡛࠶ࡾ㸪ࡑࡢヨᩱࡀᕼ ࢧ Ỉ⁐ᾮ࡜཯ᛂࡋ࡚⁐ࡅ࡚࠸ࡿࡢ࡛㸪ᕼ◪㓟ࢆ⏝࠸ࡓ࡜ศ࠿ࡿࠋࡲࡓ㸪◪㓟ࡣ᥹Ⓨᛶ㓟࡞ࡢ࡛㸪ຍ⇕ࡋ࡚㏣࠸ฟࡉࢀࡓ࡜࠸࠺グ㏙࡜ࡶྜ⮴ࡍࡿࠋ㸦⟅㸧࢔㸸CuFeS2 ࢖㸸㝜 ࢘㸸㝧 ࢚㸸CuSO4 ࢜㸸Zn㸪Fe㸪Ni ࢝㸸Au㸪Ag ࢟㸸Ag ࢡ㸸Ni
ࢣ㸸COD ࢥ㸸໬Ꮫⓗ㓟⣲せồ㔞 ࢧ㸸HNO3 ࢩ㸸 ࣓ࢫࣇࣛࢫࢥ
ၥ 2 㸦ゎ⟅౛㸧㧗 ࡯࡝㔠ᒓ᱁ᏊࢆᵓᡂࡍࡿཎᏊࡢ⇕㐠ືࡀ⃭ࡋࡃ࡞ࡾ㸪⮬⏤㟁Ꮚࡢὶࢀࡀጉࡆࡽࢀࡸࡍࡃ࡞ࡿࡓࡵࠋ
ၥ 3 㸦⟅㸧ᘏᛶ
ၥ 4 ௨ୗ࡟࠾࠸࡚㸪໬Ꮫ✀ X ࡢ≀㉁㔞ࢆ n(X) ࡜⾲ࡍࠋ(3) ᘧࡢ཯ᛂ࡟࠾࠸࡚㸪I ࡣ㐣๫㔞Ꮡᅾࡍࡿ࡜⪃࠼ࡽࢀࡿ1ࡢ࡛㸪Cu2+ ࡣ඲࡚཯ᛂࡋ㸪≀㉁㔞ࡀ n(I3  ) = n(Cu2+ ) ࡢ I3  ࡀ⏕ᡂࡍࡿࠋࡑࡢᚋ㸪⏕ᡂࡋࡓ I3  ࢆ S2 O3 22࡟ࡼࡾᐃ㔞ࡋ࡚࠸ࡿࠋ
ººº
21n(I3  ) = 0.100 mol/L × 20.0 mL
××= 1.00 mmol(A)
2 e (mmol)
2 I3  (mmol)
S2 O3 2 (mmol)! n(Cu2+ ) = 2n(I3  ) = 2 × 1.00 mmol = 2.00 mmol(B)࡞࠾㸪ຍ࠼ࡓ KI ࡢ≀㉁㔞ࡣn(KI) =2.49 g= 0.0150 mol = 15.0 mmol
166 g/mol(C)࡞ࡢ࡛㐣๫㔞࡛࠶ࡿࡇ࡜ࡀ☜࠿ࡵࡽࢀࡿࠋࡼࡗ࡚㸪┿㘷ヨᩱ 1.20 g ୰ࡢ㖡ࡢ≀㉁㔞ࡣººº
100 mL40
2.00 mmol
×1×=mmol
15.0mL
32+Cu(mmol)
Cu (mmol)ึࡵࡢヨᩱ୰ࡢ Cu (mmol)࡜࡞ࡿࡢ࡛㸪ồࡵࡿ㖡ྵ᭷⋡ࡣḟࡢࡼ࠺࡟࡞ࡿࠋ40× 103 mol × 63.5 g/mol
3× 100 % = 70.6 %1.20 g··㸦· ⟅㸧

ၥ 5 㸦ゎ⟅౛㸧ࣚ࢘⣲ࡢヨ⸆ࢆࣅ࣮࣮࢝࡟ධࢀ㸪ࡑࡢୖ࡟෭Ỉࢆධࢀࡓ୸ᗏࣇࣛࢫࢥࢆ⨨ࡃࠋࣅ࣮࣮࢝ࢆຍ⇕ࡋ࡚࠸ࡃ࡜㸪ࣚ࢘⣲ࡣ᪼⳹ࡋ࡚Ẽయࡢࣚ࢘⣲ࡀ⏕ᡂࡍࡿࡀ㸪୸ᗏࣇࣛࢫࢥ࡟ゐࢀࡿ࡜෭༷ࡉࢀ㸪୸ᗏࣇࣛࢫࢥࡢᗏ㒊࡟௜╔ࡍࡿࠋ୍᪉㸪ሷ⣲࡜⮯⣲ࡶ᥹Ⓨࡍࡿࡀ㸪෭༷ࡉࢀ࡚ࡶᅛయ࡟ࡣ࡞ࡽ࡞࠸ࡢ࡛ࣚ࢘⣲࡜ศ㞳࡛ࡁࡿࠋၥ 6 ୗ⥺㒊 (e) ࡛⏕ࡌࡿẼయ࡟ࡣள㖄࡜Ỉ⣲࢖࢜ࣥࡢ཯ᛂ࡟ࡼࡿỈ⣲ࡶྵࡲࢀࡿࡀ㸪㖡࡜ᕼ◪㓟ࡢ཯ᛂ࡛ࡣỈ⣲ࡣⓎ⏕ࡏࡎ୍㓟໬❅⣲ࡀ⏕ᡂࡍࡿࠋ

3 Cu + 8 HNO3 㸦⟅㸧NO

3 Cu(NO3 )2 + 2 NO  + 4 H2 O

ၥ 7 (30 ) ᘧࡢᖹ⾮ᐃᩘࢆ K ࡜ࡍࡿ࡜㸪㉁㔞స⏝ࡢἲ๎ࡼࡾ㸪K=[Cu+ ]2 [I3  ]= 1.0 × 1013 (mol/L)2[Cu2+ ]2 [I ]3(D)࡜⾲ࡏࡿࠋCuI ࡢ⁐ゎᗘ✚࡟㛵ࡋ࡚ࡣ㸪ၥ㢟ᩥ࡟࠶ࡿࡼ࠺࡟

Ksp = [Cu+ ][I ] = 1.0 × 1012 (mol/L)2(E)࡛࠶ࡿࠋࡲࡓ㸪I ࡢ≀㉁཰ᨭ᮲௳ࡼࡾ㸪(C) ᘧࡶ⏝࠸࡚3n(I3  ) + n(I ) + n(CuI) = 15.0 mmol(F)

࡜࡞ࡿࠋCu ࡟ࡘ࠸࡚ࡣ㸪(B) ᘧࡢ 2.00 mmol ࡢ Cu2+ ࡢ኱㒊ศࡀ CuI ࡟ኚ໬ࡋ࡚࠸ࡿࡇ࡜ࢆ⪃៖ࡍࡿ࡜㸪n(CuI) ; 2.00 mmol(G)

࡜㏆ఝ࡛ࡁࡿࠋࡼࡗ࡚㸪(A)㸪(F)㸪(G) ᘧࡼࡾ㸪n(I ) = 10.0 mmol࡜࡞ࡗ࡚࠸ࡿࡇ࡜ࡀศ࠿ࡿࠋḟ࡟㸪(D) ࠾ࡼࡧ (E) ᘧࡼࡾ [Cu+ ] ࢆᾘཤࡍࡿࠋ

¢2¡[Cu2+ ]2 [I ]5
Ksp 2[Cu2+ ]2 [I ]3== [Cu+ ][I ] ×+2
K[Cu ] [I3 ][I3  ]s
[I3  ]
Ksp! [Cu2+ ] =  2[I ]K[I ](H)

1.00 mmol
10.0 mmol
12=mol/L㸪[I ] ==mol/L ࡛࠶ࡿ࠿ࡽ㸪ࡇࢀࡽࡢ್࡜ (D) ࠾ࡼ15.0 mL
1515.0 mL
32+ࡧ (E) ᘧࡢ್ࢆ (H) ᘧ࡟௦ධࡋ࡚ [Cu ] ࡀồࡵࡽࢀࡿࠋvu
1umol/L122 u(mol/L) u
1.0 × 102+
15[Cu ] =µ¶2t
22
1.0 × 1013 (mol/L)2 ×mol/Lmol/L33
ࡇࡇ࡛ [I3  ] ==9× 106 mol/L = 2.3 × 106 mol/L4··㸦· ⟅㸧࡞࠾㸪ࡇࡢ⤖ᯝࡼࡾ㸪n(Cu2+ ) =9× 106 mol/L × 15.0 mL = 3.4 × 105 mmol ¿ 2.00 mmol
4࡛࠶ࡿ࠿ࡽ㸪㏆ఝࡀጇᙜ࡛࠶ࡗࡓࡇ࡜ࡀ☜ㄆ࡛ࡁࡿࠋ
ၥ 8 㸦ゎ⟅౛㸧ࡽࡏࢇᵓ㐀ࡢ๭ྜࡀ࢔࣑࣮ࣟࢫࡼࡾᑡ࡞࠸࢔࣑ࣟ࣌ࢡࢳࣥࢆከࡃྵࡴࢹࣥࣉࣥࢆ⏝࠸ࡿ࡜㸪ࣚ࢘⣲ࢹࣥࣉࣥ཯ᛂࡢ࿊Ⰽࡀ㉥࿡ࢆᖏࡧࡿࠋ
ၥ 9 10.0 % ࡀศゎࡋࡓࢳ࢜◲㓟ࢼࢺ࣒ࣜ࢘Ỉ⁐ᾮࢆ⏝࠸ࡓ࡜ࡁࡢ⁲ୗ㔞ࢆ x mL ࡜ࡍࡿ࡜㸪S2 O3 2 ࡢ≀㉁㔞࡟ࡘ࠸࡚㸪ḟࡢ㛵ಀࡀᡂࡾ❧ࡘࠋ

0.100 mol/L ×100  10.0
× x mL = 0.100 mol/L × 20.0 mL100! x mL = 22.2 mLࡼࡗ࡚㸪⁲ୗ㔞ࡢ㐪࠸ࡣḟࡢࡼ࠺࡟࡞ࡿࠋ

(22.2  20.0) mL = +2.2 mL··㸦
· ⟅㸧

[II]
ၥ 1 㸦⟅㸧㝧ᴟ㸸2 H2 O 

O2  + 4 H+ + 4 e㝜ᴟ㸸2 H2 O + 2 e H2  + 2 OHၥ 2 ၥ 1 ࡢᘧࢆࡲ࡜ࡵࡿ࡜㸪ḟࡢࡼ࠺࡟Ỉࡢ㟁Ẽศゎ࡜ྠࡌ࡟࡞ࡿ㸦e ࢆ࠶࠼࡚ṧࡋ࡚࠸ࡿ㸧ࠋ

2 H 2 O + 4 e O2  + 2 H2  + 4 eࡼࡗ࡚㸪ὶࢀࡓ e ࡢ≀㉁㔞ࡣ㸪

0.0450 mol ×

4= 0.0600 mol = 60.0 mmol
3࡜࡞ࡿࡢ࡛㸪ồࡵࡿ᫬㛫ࢆ x ศ࡜ࡍࡿ࡜㸪ḟࡢࡼ࠺࡟࡞ࡿࠋ

0.500 A × 60x s = 0.0600 mol × 9.65 × 104 C/mol! x ศ = 193 ศ··㸦· ⟅㸧ၥ 3 㟁ゎ⿦⨨ࡢᅗ࡟࠾࠸࡚㸪㟁ᅽࢆ࠿ࡅࡓ⤖ᯝ࡜ࡋ࡚㝧࢖࢜ࣥࡣᕥྥࡁ࡟㸪㝜࢖࢜ࣥࡣྑྥࡁ࡟⛣ືࡋࡼ࠺࡜ࡍࡿࠋ
᭷Ⰽࡢ࢖࢜ࣥࡣ༊⏬ 4 ࡟࠶ࡗࡓ㟷Ⰽࡢ Cu2+ ࡢࡳ࡛࠶ࡿࡀ㸪㝧࢖࢜ࣥ஺᥮⭷ࢆ㏱㐣ࡋ࡚༊⏬ 3 ࡟ὶධࡍࡿࠋ
㸦⟅㸧༊⏬ 1㸸↓Ⰽ ༊⏬ 2㸸↓Ⰽ ༊⏬ 3㸸㟷Ⰽ ༊⏬ 4㸸㟷Ⰽ ༊⏬ 5㸸↓Ⰽ
ၥ 4 ࡝ࢇ࡞ሙྜ࡛ࡶỈ⁐ᾮ඲య࡛ࡣ㟁Ⲵࡣ 0 ࡟࡞ࡿࠋ༊⏬ 5 ࠿ࡽࡣ e ࡀ 60.0 mmol ὶฟࡋࡓࡢ࡛㸪༊⏬ 4 ࠿ࡽ༊⏬ 5 ࡟ SO4 2 ࡀ 30.0 mmol ⛣ືࡍࡿ㸦SO4 2 ࡣ 2 ౯࡛࠶ࡿࡇ࡜࡟ὀពࡍࡿ㸧ࠋࡑࡢ⤖ᯝ㸪༊⏬ 4 ࠿ࡽ༊⏬ 3 ࡟
ࡣ Cu2+ ࡀ 30.0 mmol ⛣ືࡍࡿࡇ࡜ࡀศ࠿ࡿࠋࡼࡗ࡚㸪ồࡵࡿࣔࣝ⃰ᗘࡣḟࡢࡼ࠺࡟࡞ࡿࠋ

0.100 mol/L × 500 mL  30.0 mmol
= 4.00 × 102 mol/L500 mL··㸦· ⟅㸧ၥ 5 ༊⏬ 5 ࡢ [H+ ]㸪࠾ࡼࡧ༊⏬ 1 ࡢ [OH ] ࡣ㸪ࡑࢀࡒࢀ+[H ] =[OH ] =0.0200 mol/L × 250 mL × 2 ౯ + 60.0 mL ×60.0 mmol ×250 mL250 mL
22 = 0.240 mol/L

44 = 0.280 mol/L࡜࡞ࡗ࡚࠸ࡿࠋồࡵࡿ⁲ᐃ㔞ࢆ y mL ࡜ࡍࡿ࡜㸪ḟࡢ㛵ಀࡀᡂࡾ❧ࡘࠋ

0.280 mol/L × 10.0 mL = 0.240 mol/L × y mL! y mL = 11.7 mL··㸦· ⟅㸧[III]ၥ 1 C=C ࡟ OH ࡀ┤᥋⤖ྜࡋࡓᵓ㐀㸦࢚ࣀ࣮ࣝయ㸧ࡣ୙Ᏻᐃ࡛㸪࢝ࣝ࣎ࢽࣝ໬ྜ≀࡟␗ᛶ໬ࡍࡿࠋ

CH#CH + H2 O 

CH2 =CHOH 㸦⟅㸧࢔㸸ࣅࢽࣝ࢔ࣝࢥ࣮ࣝ

CH3 CHO࢖㸸࢔ࢭࢺ࢔ࣝࢹࣄࢻ

ၥ 2 ࣮ࣚࢻ࣒࣍ࣝ཯ᛂࢆ♧ࡍ࢔ࣝࢥ࣮ࣝࡢᵓ㐀ࡣ CH3 CH(OH) ࡛࠶ࡿࠋ㸦⟅㸧㸦࠿㸧
ၥ 3 ḟᅗࡢࡼ࠺࡟㸪࢔ࣝࢣࣥ B ࡟Ỉࢆ௜ຍࡍࡿ࡜㸪R1 6= R2 ࡛࠶ࢀࡤ 2 ✀㢮ࡢ࢔ࣝࢥ࣮ࣝࡀ⏕ᡂ≀࡜ࡋ࡚⪃࠼ࡽࢀࡿࠋࡲࡎ㸪➨஧⣭࢔ࣝࢥ࣮ࣝ࠶ࡿ࠸ࡣࢣࢺࣥ࡜࠸࠺グ㏙࠿ࡽ㸪R1 ࡸ R2 ࡣỈ⣲࡛ࡣ࡞࠸ࠋࡲࡓ㸪࢔ࣝࢥ࣮ࣝ D ࡀ࣮ࣚࢻ࣒࣍ࣝ཯ᛂࢆ♧ࡍࡢ࡛㸪R1 ࡣ CH3 ࡜Ỵࡲࡾ㸪ࢣࢺࣥ E ࡀᑐ⛠࡞ࡢ࡛㸪R2 ࡀ CH2 CH3 ࡜ศ࠿ࡿࠋ௨ୖࡼࡾ㸪࢔ࣝ࢟ࣥ A ࡣ 2-࣌ࣥࢳ࡛ࣥ࠶ࡾ㸪ࡑࢀ࡟ᑐࡍࡿỈࡢ௜ຍ཯ᛂ࠾ࡼࡧ࢔ࣝࢣࣥ B ࡣḟࡢࡼ࠺࡟࡞ࡿࠋ

㸦⟅㸧ୖᅗཧ↷ࠋ
ၥ 4 㸦⟅㸧ࢣࢺࣥ Fၥ 5࣭ၥ 6㸦⟅㸧ୖᅗཧ↷ࠋ[IV]
ၥ 1 ࢢࣜࢩࣥࡢ࢔࣑ࣀᇶࡀ࢔ࢭࢳࣝ໬ࡉࢀࡿࠋ㸦⟅㸧

ၥ 2 ࢔ࣛࢽࣥࡢ࢝ࣝ࣎࢟ࢩᇶࡀ࣓ࢳ࢚ࣝࢫࢸࣝ໬ࡉࢀ㸪㓟ᛶ᮲௳࡞ࡢ࡛࢔࣑ࣀᇶࡣ㟁㞳ࡍࡿࠋ㸦⟅㸧

ၥ 3 (3) 㹼 (5) ᘧ࡛ Gly ࡜ Ala ࢆධࢀ᭰࠼ࢀࡤࡼ࠸ࠋ㸦⟅㸧

ၥ 4 ௨ୗࡢࡼ࠺࡟ྜᡂࡍࢀࡤࡼ࠸ࠋ

㸦⟅㸧ୖᅗཧ↷ࠋ
ၥ 5 ◲㯤ཎᏊࢆྵࡴ࣌ࣉࢳࢻ࡛㝧ᛶ࡜࡞ࡿ◲㯤཯ᛂ࡛࠶ࡾ㸪㯮Ⰽࡢ PbS ࡀỿẊࡍࡿࠋ㸦⟅㸧PbS1 㹼 °4 ࡣࢪ࣌ࣉࢳࢻ࠿
ၥ 6 ࣌ࣉࢳࢻ P ࡣ 5 ಶࡢ࢔࣑ࣀ㓟ࡀ⬺Ỉ⦰ྜࡋࡓ࣌ࣥࢱ࣌ࣉࢳࢻ࡛࠶ࡿ࠿ࡽ㸪࣌ࣉࢳࢻ °ࢺࣜ࣌ࣉࢳࢻ࡟㝈ࡽࢀࡿࠋࡼࡗ࡚㸪㓝⣲ X ࠾ࡼࡧ Y ࡀษ᩿ࡍࡿ࣌ࣉࢳࢻ⤖ྜࡣ㸪2 ␒┠࠿ 3 ␒┠࡛࠶ࡿࠋḟ1 ࡜ °3 ࡢഃ㙐࡟ࡣṇ㟁Ⲵࢆᖏࡧࡓ㒊ศࡀ࠶ࡿࡢ࡛ሷᇶᛶ࢔࣑ࣀ㓟ࡢ Lys࡟㸪㟁ẼὋືࡢᐇ㦂ࡼࡾ㸪࣌ࣉࢳࢻ °2 ࡜ °4 ࡢഃ㙐࡟ࡣ㈇㟁Ⲵࢆᖏࡧࡓ㒊ศࡀ࠶ࡿࡢ࡛㓟ᛶ࢔࣑ࣀ㓟ࡢ Glu ࢆྵࡴࠋ࣌ࣉ
ࢆྵࡴࠋ୍᪉㸪࣌ࣉࢳࢻ °2 ࡜ °4 ࡟ࡣ Cys ࡀྵࡲࢀࡿࡢ࡛㸪࣌ࣉࢳࢻ P ࡢ C ᮎ➃ഃࡢ 2 ಶࡣ Glu ࡜ Cys ࡜࡞ࡿ㸦㓄ิࡣᐃࡲࡽࢳࢻ °1 ࡢ C ᮎ➃ࡣ Phe ࡛࠶ࡾ㸪AlaLysPhe ࡜Ỵᐃࡍࡿࠋ࣌ࣉࢳࢻ
࡞࠸㸧ࠋ㓝⣲ X ࡢస⏝ࡢ௙᪉࠿ࡽ࣌ࣉࢳࢻ °3 ࡣ AlaLys ࡛࠶ࡿࠋ௨ୖࡼࡾ㸪࣌ࣉࢳࢻ °1 ࡜ °4 ࡀࢺࣜ࣌ࣉࢳࢻ࡛ࣅ࢘ࣞࢵࢺ཯ᛂ࡟㝧ᛶ㸪࣌ࣉࢳࢻ °2 ࡜°
3 ࡀࢪ࣌ࣉࢳࢻ࡛ࣅ࢘ࣞࢵࢺ཯ᛂ࡟㝜ᛶ࡜࡞ࡿࠋ°1 ࣭°4㸦⟅㸧°

ၥ 7 Phe ࢆྵࡴ࣌ࣉࢳࢻࡀ࢟ࢧࣥࢺࣉࣟࢸ࢖ࣥ཯ᛂ࡟㝧ᛶ࡛࠶ࡿࠋ
1 ࣭°4㸦⟅㸧°
ၥ 8 㸦⟅㸧AlaLysPhe࠙໬Ꮫ㸦ㅮホ㸧ࠚ᫖ᖺᗘ࡟⥆ࡁ㸪ྲྀࡾ⤌ࡳࡸࡍ࠸ၥ㢟ࡀቑ࠼ࡓࠋࡓࡔࡋ㸪౛ᖺ㏻ࡾ㸪タၥ࡟ࡼࡗ࡚㞴᫆ᗘ࡟኱ࡁ࡞ᕪࡀ࠶ࡗࡓࠋ᫬㛫ⓗ࡟᏶⟅ࡣཝࡋ࠸ࡢ࡛㸪ၥ㢟ࡢྲྀᤞ㑅ᢥࡀ㔜せ࡛࠶ࡿࠋ[I] ࡣ㖡ࢆ୺య࡜ࡋࡓၥ㢟࡛㸪↓ᶵ໬Ꮫ࡜ࡋ࡚ࡣ㟁ゎ⢭㘐ࡸ༢యࡢᛶ㉁㸪࠾ࡼࡧྜ㔠࡟㛵ࡍࡿ▱㆑ࡀၥࢃࢀࡓࠋ┿㘷ヨᩱ୰ࡢ㖡ࡢᐃ㔞ࡀ୺㢟ࡢィ⟬ၥ㢟ࡣ㸪㓟໬㑏ඖ⁲ᐃ࡟⩦⇍ࡋ࡚࠸࡞࠸࡜ゎ⟅ࡣᐜ࡛᫆࡞࠸ࠋ[II] ࡣ࢖࢜ࣥ஺᥮⭷ࢆ 4 ᯛ౑ࡗࡓタᐃࡀ┠᪂ࡋ࠸ࡀ㸪ၥࢃࢀ࡚࠸ࡿࡇ࡜ࡣᇶᮏⓗ࡛࠶ࡿࠋ࡛ࡁࢀࡤ᏶⟅ࢆ┠ᣦࡋࡓ࠸ࠋ[III] ࡣᖹ࡛᫆࠶ࡾ㸪᏶⟅ࡣᚲ㡲࡛࠶ࡿࠋ[IV] ࡣ࣌ࣉࢳࢻࡢྜᡂ࡟ಖㆤᇶࢆ฼⏝ࡍࡿ࡜࠸࠺จࡗࡓタᐃ࡛࠶ࡿࡀ㸪ᐇࡣၥ㢟ᩥ࡟ἢࡗ࡚ࡸࡗ࡚࠸ࡅࡤఱࡶ㞴ࡋ࠸ࡇ࡜ࡣ࡞࠿ࡗࡓࠋ࢔࣑ࣀ㓟㓄ิࡢỴᐃ࡛ࡣ㸪㟁ẼὋືࡢᐇ㦂⤖ᯝࡢゎ㔘ࡀ኱ࡁ࡞࣏࢖ࣥࢺ࡛࠶ࡿࠋ࢔࣑ࣀ㓟ࡸ࣌ࣉࢳࢻࡢᖏ㟁ࡢ௙᪉࡜ pH ࡜ࡢ㛵ಀ࡟ࡘ࠸࡚⌮ゎࢆ῝ࡵ࡚࠾ࡃࡇ࡜ࠋ[I] ࡣၥ 7 ࡣ㞴ᗘࡀ㧗ࡃゎ⟅᫬㛫ࡶ࠿࠿ࡿࡢ࡛ᡭࢆ௜ࡅ࡞࠸᪉ࡀ↓㞴࡛࠶ࡿࠋၥ 4 ࡣࡋࡗ࠿ࡾྲྀࡾࡓ࠸ࠋ[II] 㹼 [IV]ࡣᚓⅬ⋡࡟ࡋ࡚ 8 ๭ࢆษࡗ࡚ࡣ࠸ࡅ࡞࠸ࡔࢁ࠺ࠋ[I] ࡛ 6 ๭ྲྀࡿ࡜ࡋ࡚㸪඲య࡛ 75 % ᚓⅬ࡛ࡁࢀࡤ༑ศ࡛࠶ࢁ࠺ࠋ