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Dz Ѳ ί ϲ Ͳ ̲Ͳ ˲Ӕ 4 ...

-- [ 9 ] --

2. . (NH4)6Mo7O244H2O 4,7000 200,0 500,0 , 53,00 . H2SO4 . .

3. . 0,260 16,00 50,0 34,0 . 2 .

4. - , 1,0 /.

5. , [(CnH2n+1)4N]NO3 ( n10) =25 /.

:

̳ 25,0 (7 .) 1.

50 2.

ϳ 2,00, 5,00 10,00 .

3.

ϳ (1 .).

4.

=0,10 (2 .).

5.

:

1. .

2. .

3. -3.

. . 0,00;

0,20; 0,40; 1,00; 2,00; 3,50; 5,50; 8,00 , 5,00 , ᒺ 20 5 . ϳ 2,50 , . (0,125 ), 糿 5 . , , 5 . 700 990 . . =700 900. . 6.1.

6.1.

. (H2SO4)=..., (42)=... ( 1 2), (SCN) =... ( 3 4), =...

- 1, , . . = V, / / 1= 990 =1990 (IV) 2 Si(IV) 690 3 Co(III) 620 4 Fe(III) 480 Origin ( 5.0 ) , /. ˳ ( : Analysis: Fit Polinomial: Order=1), : A=(a a)+(b b), /, (R2=), , / , , a b .

. 50,0 . 25,0 10,00 , , . , (0,125 ). 5 . , .

(V) (m, ) :

mP = CP 0,0250 V / Va, V ᒺ , (50,0 ), V ᒺ , (10,00 ), , , /.

2 , . 4392 /. Si=3 /.

. 4 / Si(IV) (/): (1.107), NH4+ (1.103), Co2+( 1.0), Cu2+(100), Mn2+(10), Fe3+(300), NO3 SO42(2.104), 32 (1.104), As (20) (30), (10). .

: .

:

1. . (NH4)6Mo7O244H2O 9,000 100,0 , 3,00 H2SO4, , . .

2. , 2,5.105 /.

3. , 4 /.

4. 1 %. 0,250 25,0 .

5. - , 1,0 /.

6. , [(CnH2n+1)4N]NO3 ( n10) =25 /.

:

̳ 25,0 (7 .) 1.

50,0 .

2.

ϳ 2,0, 5,0 10 .

3.

ϳ (1 .).

4.

7. =0,10 (2 .).

:

4. .

5. .

6. -3.

. . 0,0; 0,20;

0,40; 1,00; 2,00; 3,50; 5,50; 8,00 , 2,50 , ᒺ 10 30 . ϳ 2,00 H2SO4, 1,00 , , 15 . ϳ 2,50 . (0,125 ), 糳 15 . , , 5 . 690 990 . . =690 990. . 6.1. Origin ( 5.0 ) , /.

˳ ( : Analysis: Fit Polinomial: Order=1), : A=(a a)+(b b)Si, /, (R2=), Si, / , , a b .

. 50,0 . 25,0 10,00 , , . , (0,125 ). 15 . . , . Si(IV)

(mSi, ) :

mSi = CSi 0,0250 V / Va, V ᒺ , (50,0 ), V ᒺ , (10,00 ), Si , , /.

3 , . =0,01 /, 0,052,00 /.

. =57 (8 10).102 / () , Fe(II), Mn(II), Zn(II), Ni(II) . ( ) , . Co(II) , (0,05 /).

: .

:

1. () , 0,01 / (1,68.104 /). (), 1,00 /, CoSO4.7H2O 2,3900 1,00 . H2SO4 500,0 . ᒺ 1,00 100,0 .

2. , 4,0 /.

3. , [(CnH2n+1)4N]NO3 ( n10) =50 /.

:

̳ 100,0 (8 .) 1.

200 .

2.

ϳ 2,0, 5,0 10 .

3.

ϳ (1 .).

4.

=0,10 (2 .).

5.

:

1. .

2. .

3. -3.

. . 0; 0,50; 1,00;

2,50; 5,00; 7,50; 10,00 , 4,00 NaSCN, . 0,100 , 糿 30 .

. 620 . 1. = 620 990. . 6.1.

Origin 5.0 ( ) () , /. ˳ ( : Analysis: Fit Polinomial: Order=1), : A=(a a)+(b b), /, (R2=), , / () , , a b .

. 100,0 , . 4,00 NaSCN 0,100 30 . . , . () (m, ) : mCo = CCo V, V ᒺ , (100,0 ).




140 .


4 , . : =0,5 2,5 ( 2,5 Fe(), 0,5 ), 0,61,0 /. Fe() =0,002 /, Fe() 0,0060,60 /.

. , ( ) Cu(), Ni() () (2), Mn()(10), Zn()(100), Cl (5000), SO42 (6000), PO43(25).

: - .

:

1. () , 0,01 / Fe (1,78.104 /). , 1,00 /, FeNH4(SO4).12H2O 4,3175 2,50 .

H2SO4 500,0 . ᒺ 1,00 100,0 .

2. , 4,0 /.

3. HNO3, 1,0 /.

4. , [(C10H21)4N]NO3. (=50 /).

:

1. ̳ 50,0 (8 .)

2. 100 .

3. ϳ 2,0, 5,0 10 .

4. =0,10 (2 .).

:

1. .

2. .

3. -3.

. . (0,330 ) 0;

0,50; 1,00; 2,50; 5,00; 7,50; 10,00 , 0,50 HNO3, 7,50 NaSCN, . 0,200 , 糿 30 . . 480 . 1. = 480

990. . 6.1.

Origin ( 5.0 ) Fe() , /. ˳ ( : Analysis: Fit Polinomial: Order=1), : A480=(a a)+(b b)Fe, /, (R2=), Fe, / Fe() , , a b .

. 50,0 , 0,50 HNO3, 7,50 NaSCN, . 0,200 30 . . , . Fe() (mFe, ) : mFe = CFe V, V ᒺ , (100,0 ).

1. .. - . ., 2002.

2. ﳿ 系 ( ) / ... 2003. 60 .

3. - : / ...

., 2005. 40 .

4. . / .., .., .., .. / . .. ., 2002. 256 .

5. .., .., .. () // . 1997. .66, 7. .702712.



Pages:     | 1 |   ...   | 7 | 8 || 10 | 11 |   ...   | 13 |
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