ｺﾝｺﾝﾟ｣

犹≒ｸ壟ｸ壟ｸ杳ｸｶ犧≒ｸｫ犧ｱ犧�
犧杳ｸｶ犧≒ｸ伶ｸｳ犹もｸ謂ｸ伶ｸ｢犹呉ｸ歩ｹ謂ｸｭ犹�ｸ巵ｸ吭ｸｵ犹� (犧謂ｸｳ犧� Instrumental Methods of Analysis byWillard etal 7 thed. p. 758窶� 759)
[犧ｫ犧｡犧ｳ犧｢犹� 犧ｫ犧歩ｸｸ :
犹�ｸ癌ｹ霞ｸ�ｹ謂ｸｳ犧≒ｸｳ犧｣犧吭ｸｳ犹�ｸ游ｸ游ｹ� 犧ｳ犧伶ｸｵ犹謂ｸ謂ｸｳ犹犧巵ｹ�ｸ吭ｸ謂ｸｳ犧≒ｸｫ犧吭ｸｱ犧�ｸｪ犧ｷ犧ｭ犧≒ｸｳ犧｣犧ｧ犧ｴ犹犧�ｸ｣犧ｳ犧ｰ犧ｫ犹呉ｸ伶ｸｳ犧�ｹｶﾄ犧�ｸ｡犧ｵ犹≒ｸ･犧ｰ犹�ｸ游ｸ游ｹ� 犧ｳ犹ｶﾄ犧�ｸ｡犧ｵ犧扉ｹ霞ｸｧ犧｢犹犧�ｸ｣犧ｷ犹謂ｸｭ犧�ｸ｡犧ｷ犧ｭ犧ｫ犧｣犧ｷ犧ｭ犹ｶﾄ犧�ｸ｡犧ｵ犹犧癌ｸｴ犧�ｸ游ｸｴ犧ｪ犧ｴ犧≒ｸｪ犹呉ｸ伶ｸｱ犹�
犧ｧ犹� 犹�ｸ巵ｸ扉ｸｱ犧�ｹ犧癌ｹ謂ｸ吭ｸ歩ｸｳ犧｣犧ｳ犧�ｸ伶ｸｵ犹� 1]
1.犧ｪ犧ｳ犧ｫ犧｣犧ｱ犧壟ｹ犧�ｸ｣犧ｷ犹謂ｸｭ犧�ｸ｡犧ｷ犧ｭ犧伶ｸｵ犹謂ｹ�ｸ癌ｹ霞ｹ�ｸ吭ｸ≒ｸｳ犧｣犧ｧ犧ｱ犧扉ｸ≒ｸｳ犧｣犧吭ｸｳ犹�ｸ游ｸ游ｹ霞ｸｳ犧もｸｭ犧� 1% 犧籾ｸｶ犧� 18% HCl犧�ｹ謂ｸｳ犧�ｸ�ｸ伶ｸｵ犹謂ｸもｸｭ犧�ｹ犧金ｸ･犧･犹呉ｸ伶ｸｵ犹謂ｹ≒ｸ吭ｸｰ犧吭ｸｳ犧�ｸｷ犧ｭ 200 cm-1
犹≒ｸ･犧ｰ犧癌ｹ謂ｸｧ犧�ｸもｸｭ犧�ｸ≒ｸｳ犧｣犧吭ｸｳ犹�ｸ游ｸ游ｹ霞ｸｳ犧�ｸｷ犧ｭ 0.0630 犧籾ｸｶ犧� 0.750 犹もｸｭ犧ｫ犹呉ｸ｡-1
犹�ｸｫ犹霞ｸｫ犧ｳ犧ｧ犹謂ｸｳ犧癌ｹ謂ｸｧ犧�ｸ�ｸｧ犧ｳ犧｡犧歩ｹ霞ｸｳ犧吭ｸ伶ｸｳ犧吭ｸ伶ｸｵ犹謂ｹ犧≒ｸｵ犹謂ｸ｢犧ｧ犧もｹ霞ｸｭ犧�ｹ犧巵ｹ�ｸ吭ｹ犧伶ｹ謂ｸｳ犹�ｸ�
(318犹もｸｭ犧ｫ犹呉ｸ｡犧籾ｸｶ犧� 26.7 犹もｸｭ犧ｫ犹呉ｸ｡)
2. 犧≒ｸｳ犧ｫ犧吭ｸ扉ｸｧ犹謂ｸｳ犧�ｹ謂ｸｳ犧�ｸｧ犧ｳ犧｡犧歩ｹ霞ｸｳ犧吭ｸ伶ｸｳ犧吭ｸ伶ｸｵ犹謂ｹ犧ｫ犧｡犧ｳ犧ｰ犧ｪ犧｡犹�ｸ吭ｸ≒ｸｳ犧｣犧ｧ犧ｱ犧扉ｸ�ｹ謂ｸｳ犧≒ｸｳ犧｣犧吭ｸｳ犹�ｸ游ｸ游ｹ� 犧ｳ犧�ｸｷ犧ｭ 100 犧籾ｸｶ犧� 100,000 犹もｸｭ犧ｫ犹� 犧｡
犧ｫ犧ｳ犧≒ｸ謂ｸｱ犧≒ｸ伶ｸｳ犧ｪ犹犧≒ｸ･犧ｧ犧ｱ犧扉ｸｪ犧ｳ犧ｫ犧｣犧ｱ犧� Na2SO4 犹犧もｹ霞ｸ｡犧もｹ霞ｸ� 2 犧籾ｸｶ犧� 1000 ppm 犹もｸ扉ｸ｢犹�ｸｫ犹霞ｸ｡犧ｵ犧�ｹ謂ｸｳ犧≒ｸ･犧ｳ犧�ｸもｸｭ犧�ｸｪ犹犧≒ｸ･犧･犧ｭ犧≒ｸｭ犧｢犧ｹ犹謂ｸ伶ｸｵ犹� 40 ppm
犹�ｸｫ犹霞ｸｫ犧ｳ犧樅ｸｳ犧｣犧ｳ犧｡犧ｴ犹犧歩ｸｭ犧｣犹呉ｸもｸｭ犧�ｹ犧�ｸ｣犧ｷ犹謂ｸｭ犧�ｸ｡犧ｷ犧ｭ犧伶ｸｵ犹謂ｹ�ｸ癌ｹ霞ｹ�ｸ吭ｸ≒ｸｳ犧｣犧ｧ犧ｱ犧扉ｸｪ犧ｳ犧｣犧吭ｸｵ犹� 犹≒ｸ･犧ｰ犧�ｹ謂ｸｳ犧�ｸ�ｸ伶ｸｵ犹謂ｸもｸｭ犧�ｹ犧金ｸ･犧･犹�
(犧�ｸｳ犧歩ｸｭ犧壟ｸ伶ｸｵ犹謂ｹ≒ｸ吭ｸｰ犧吭ｸｳ: 怎 =0.2 R = 1.09 犹もｸｭ犧ｫ犹呉ｸ｡犹もｸ扉ｸ｢犧｡犧ｵ犧�ｹ謂ｸｳ犧≒ｸ･犧ｳ犧� 2740 犹もｸｭ犧ｫ犹呉ｸ｡)
3.犧�ｸｳ犧吭ｸｧ犧内ｸ癌ｹ謂ｸｧ犧�ｸ�ｸｧ犧ｳ犧｡犧歩ｹ霞ｸｳ犧吭ｸ伶ｸｳ犧吭ｹ≒ｸ･犧ｰ犧�ｹ謂ｸｳ犧�ｸ�ｸ伶ｸｵ犹謂ｸもｸｭ犧�ｹ犧金ｸ･犧･犹呉ｸ伶ｸｵ犹謂ｸｪ犧ｭ犧扉ｸ�ｸ･犹霞ｸｭ犧�ｸ≒ｸｱ犧吭ｹ�ｸ吭ｸ≒ｸｳ犧｣犧謂ｸｱ犧扉ｹ犧�ｸ｣犧ｷ犹謂ｸｭ犧�ｸ｡犧ｷ犧ｭ犧ｪ犧ｳ犧ｫ犧｣犧ｱ犧壟ｸ｣犧ｰ犧壟ｸ壟ｸ歩ｹ謂ｸｭ犹�ｸ巵ｸ吭ｸｵ犹�
犧ｭ犧吭ｸｸ犧｡犧ｳ犧吭ｸｧ犹謂ｸｳ犧�ｹ謂ｸｳ犧≒ｸｳ犧｣犧吭ｸｳ犹�ｸ游ｸ游ｹ霞ｸｳ犧謂ｸｰ犹犧樅ｸｳ犧ｰ犹犧霞ｸ･犧ｵ犹謂ｸ｢犧もｸｭ犧�ｸ吭ｹ霞ｸｳ犧≒ｸ･犧ｱ犹謂ｸ吭ｸ�ｸｷ犧ｭ 2 ﾃ� 10-6
ohm-1
cm-1
(a) 0% - 5% HCl (怎 = 50 R =100 窶� 85000犹もｸｭ犧ｫ犹呉ｸ｡)
(b) 0.5 % - 5% NH3 (怎 = 0.2 R =512 怎窶� 1620 怎)
(c) 0 窶�60 ppm sodium formate ( 怎 = 0.10 R = 108 犧ｪ犧ｳ犧ｫ犧｣犧ｱ犧� 60 ppm)
(d) 犧�ｸｧ犧ｳ犧｡犹犧�ｹ�ｸ｡ (salinity, 犹犧癌ｹ謂ｸ� NaCl ) 0窶� 4 ppm ( 怎 = 0.10 R = 108 犧ｪ犧ｳ犧ｫ犧｣犧ｱ犧� 60 ppm)
(e) 96% - 99.5% H2SO4 ( 怎 = 50 R 犧歩ｹ謂ｸｳ犧｡犧ｳ犧≒ｸ謂ｸｶ犧�ｸ歩ｹ霞ｸｭ犧�ｹ�ｸ癌ｹ� high frequency conductance)
(f) 0.1% - 10% CrO3 ( 怎 = 20 R =2.5 怎 - 250 怎)
4. 犧�ｹ謂ｸｳ犧� 犧ｳ犧｣犧� 犧ｳ犹�ｸ� 犧游ｹ� 犧ｳ犧ｪ犧｡犧｡犧ｹ犧･犧� 犧ｭ犧� 犧≒ｸ｣犧扉ｸｭ犧ｰ犧金ｸｵ犧歩ｸｴ犧� 0.0 02414 N 犧｡犧ｵ犧�ｹ謂ｸｳ犹犧伶ｹ謂ｸｳ犧≒ｸｱ犧� 3 2.22 犧伶ｸｵ犹� 25 0
C
犧�ｸｳ犧吭ｸｧ犧内ｸ｣犧ｰ犧扉ｸｱ犧壟ｸ≒ｸｳ犧｣犹≒ｸ歩ｸ≒ｸ歩ｸｱ犧ｧ犧もｸｭ犧�ｸ≒ｸ｣犧扉ｸｭ犧ｰ犧金ｸｵ犧歩ｸｴ犧≒ｸ伶ｸｵ犹謂ｸ�ｸｧ犧ｳ犧｡犹犧もｹ霞ｸ｡犧もｹ霞ｸ吭ｸ吭ｸｵ犹� 犹≒ｸ･犧ｰ犧�ｸｳ犧吭ｸｧ犧内ｸ�ｹ謂ｸｳ犧�ｸ�ｸ伶ｸｵ犹謂ｹ�ｸ吭ｸ≒ｸｳ犧｣犹≒ｸ歩ｸ≒ｸ歩ｸｱ犧ｧ
(0.0824, 1.79 ﾃ�10-5
)
5.犧�ｹ謂ｸｳ犧≒ｸｳ犧｣犧吭ｸｳ犹�ｸ游ｸ游ｹ� 犧ｳ犧謂ｸｳ犹犧樅ｸｳ犧ｰ犧伶ｸｵ犹� 25 0
C犧もｸｭ犧�ｸｪ犧ｳ犧｣犧･犧ｰ犧･犧ｳ犧｢犧ｭ犧ｴ犹謂ｸ｡犧歩ｸｱ犧ｧ犧もｸｭ犧�ｹ≒ｸ壟ｹ犧｣犧ｵ犧｢犧｡犧金ｸｱ犧･犹犧游ｸ� 犧�ｸｷ犧ｭ 4.58 ﾃ� 10-6
cm-1
犹≒ｸ･犧ｰ犧もｸｭ犧�ｸ吭ｹ霞ｸｳ犧伶ｸｵ犹謂ｹ�ｸ癌ｹ霞ｸ�ｸｷ犧ｭ 1.52 ﾃ� 10-6
犧�ｹ謂ｸｳ犧≒ｸｳ犧｣犧･犧ｰ犧･犧ｳ犧｢犹≒ｸ･犧ｰ Ksp 犧もｸｭ犧� BaSO4 犧伶ｸｵ犹� 25 0
C 犹犧巵ｹ�ｸ吭ｹ犧伶ｹ謂ｸｳ犹�ｸ�
(1.06 ﾃ� 10-5, 1.13 ﾃ� 10-10
)

6. 犹� 犧� 犧� 犧ｳ犧｣犹� 犧� 犧｣犹犧� 犧｣犧� 1 0 0 ml H2SO4 犹� 犧� 犧� 犧｣犧� 犧ｭ犧ｰ犧金ｸｵ犧歩ｸｴ犧� 犹犧� 犧･犹犧癌ｸｵ犧｢犧･犧扉ｹ� 犧ｧ犧｢ 0 .5 0 M
犹もｸ金ｹ犧扉ｸｵ犧｢犧｡犧ｭ犧ｰ犧金ｸｵ犹犧歩ｸ歩ｹ�ｸ吭ｸ歩ｸｱ犧ｧ犧伶ｸｳ犧･犧ｰ犧･犧ｳ犧｢犹犧扉ｸｵ犧｢犧ｧ犧≒ｸｱ犧� 犹犧｡犧ｷ犹謂ｸｭ犹犧歩ｸｴ犧｡犧ｪ犧ｳ犧｣犧謂ｸｳ犧≒ｸ壟ｸｴ犧ｧ犹犧｣犧歩ｹ�ｸ吭ｸ巵ｸ｣犧ｴ犧｡犧ｳ犧歩ｸ｣犧歩ｹ謂ｸｳ犧�ｹ�ｹ�ｸ扉ｹ霞ｸ�ｹ謂ｸｳ犧≒ｸｳ犧｣犧吭ｸｳ犹�ｸ游ｸ游ｹ霞ｸｳ犧謂ｸｳ犹犧樅ｸｳ犧ｰ
(ﾃ� 10-6
) 犧扉ｸｱ犧�ｸ歩ｹ謂ｸｭ犹�ｸ巵ｸ吭ｸｵ犹�
0.50 ml =2.95 3.50 ml = 4.78 7.00 ml= 3.20
1.00 ml =3.30 4.00 ml =4.73 7.50 ml= 3.20
1.50 ml =3.65 4.50 ml =4.40 8.00 ml= 3.47
2.00 ml =4.00 5.00 ml =4.04 8.50 ml= 3.82
2.50 ml =4.35 5.50 ml =3.76 9.00 ml= 3.20
3.00 ml =4.65 6.00 ml =3.43 9.50 ml= 4.50
犹�ｸｫ犹霞ｸｫ犧ｳ犧�ｹ謂ｸｳ犹もｸ｡犧･犧ｳ犧｣犧ｴ犧歩ｸｵ犹霞ｸもｸｭ犧�ｸｪ犧ｳ犧｣犧･犧ｰ犧･犧ｳ犧｢犧≒ｸ｣犧扉ｸ金ｸｱ犧･犧游ｸｹ犧｣犧ｴ犧� (犧ｫ犧｡犧ｳ犧｢犹犧ｫ犧歩ｸｸ: 犹�ｸｫ犹霞ｹ≒ｸ≒ｹ霞ｹ�ｸもｸ巵ｸ｣犧ｴ犧｡犧ｳ犧歩ｸ｣犧≒ｹ謂ｸｭ犧�)
(0.0176 M)
7. 犹犧｡犧ｷ犹謂ｸｭ犹�ｸ伶ｸ｣犹犧伶ｸ｣犧歩ｸｪ犧ｳ犧｣犧憫ｸｪ犧｡犧伶ｸｵ犹謂ｸ｡犧ｵ犧≒ｸ｣犧扉ｸｭ犧･犧ｴ犧游ｸｳ犧歩ｸｴ犧≒ｹ≒ｸ･犧ｰ犧≒ｸ｣犧扉ｸ金ｸｱ犧･犹もｸ游ｸ吭ｸｴ犧≒ｸｭ犧ｳ犹もｸ｣犧｡犧ｳ犧歩ｸｴ犧≒ｹもｸ扉ｸ｢犹�ｸ癌ｹ霞ｹ�ｸ伶ｸ｣犹≒ｸ伶ｸ｣犧吭ｸ伶ｹ� 0.200 N NH3
犹�ｸ扉ｹ霞ｸ憫ｸ･犧謂ｸｳ犧≒ｸ≒ｸｳ犧｣犹≒ｸ≒ｹ霞ｹ�ｸもｸ巵ｸ｣犧ｴ犧｡犧ｳ犧歩ｸ｣犹≒ｸ･犹霞ｸｧ犧扉ｸｱ犧�ｸ吭ｸｵ犹�
0.00 ml =2.01 3.20 ml =1.19 5.00 ml= 1.51
1.00 ml =1.75 3.50 ml =1.26 6.00 ml= 1.52
2.00 ml =1.47 4.00 ml =1.41 8.00 ml= 1.53
2.50 ml =1.33 4.20 ml =1.47
3.00 ml =1.19 4.50 ml =1.51
犧�ｸｳ犧吭ｸｧ犧内ｸ謂ｸｳ犧吭ｸｧ犧吭ｸｪ犧｡犧｡犧ｹ犧･犧もｸｭ犧�ｸ≒ｸ｣犧扉ｹ≒ｸ歩ｹ謂ｸ･犧ｰ犧歩ｸｱ犧ｧ犹�ｸ吭ｸｪ犧ｳ犧｣犧憫ｸｪ犧｡犧吭ｸｵ犹�
(0.630 meq 犧金ｸｱ犧･犹もｸ游ｸ吭ｸｴ犧� 0.230 meq 犧ｭ犧ｰ犧･犧ｴ犧游ｸｳ犧歩ｸｴ犧�)

8. 犹�ｸ癌ｹ霞ｸ�ｹ謂ｸｳ犧≒ｸｳ犧｣犧吭ｸｳ犹�ｸ游ｸ游ｹ霞ｸｳ犧ｪ犧｡犧｡犧ｹ犧･犹�ｸ吭ｸ≒ｸｳ犧｣犧ｪ犧｣犹霞ｸｳ犧�ｸ≒ｸ｣犧ｳ犧游ｹ�ｸ伶ｹ犧伶ｸ｣犧歩ｹ�ｸ吭ｸ≒ｸ｣犧内ｸｵ犧歩ｹ謂ｸｭ犹�ｸ巵ｸ吭ｸｵ犹�
(a) Ba(OH)2 犧扉ｹ霞ｸｧ犧｢ HCl
(b) NH4Cl 犧扉ｹ霞ｸｧ犧｢ NaOH
(c) 犧金ｸｴ犧･犹犧ｧ犧ｭ犧｣犹呉ｹ�ｸ吭ｹ犧伶ｸ｣犧歩ｸ扉ｹ霞ｸｧ犧｢犹もｸ巵ｸ歩ｸｱ犧ｪ犹犧金ｸｵ犧｢犧｡犧�ｸ･犧ｭ犹�ｸ｣犧扉ｹ�
(d) 犧金ｸｴ犧･犹犧ｧ犧ｭ犧｣犹呉ｸｭ犧ｰ犧金ｸｵ犹犧歩ｸ歩ｸ扉ｹ霞ｸｧ犧｢犧･犧ｴ犹犧伶ｸｵ犧｢犧｡犧�ｸ･犧ｭ犹�ｸ｣犧扉ｹ�
(e) 犧ｪ犧ｳ犧｣犧憫ｸｪ犧｡犧≒ｸ｣犧扉ｸ金ｸｱ犧･犹もｸ游ｸ吭ｸｴ犧≒ｹ≒ｸ･犧ｰ犧≒ｸ｣犧扉ｸ�ｸｳ犧｣犹呉ｸ壟ｸｭ犧≒ｸ金ｸｴ犧･犧ｴ犧� 犧扉ｹ霞ｸｧ犧｢ NaOH
(g) KH3(C2O4) 犧扉ｹ霞ｸｧ犧｢ NH3

犹≒ｸ壟ｸ壟ｸ杳ｸｶ犧≒ｸｫ犧ｱ犧任onduct

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