-

.

:

:

(C6H12O6)

: :

, 2013. e

1. .......................................................................................................21.1. ..................................................................3-41.2. ...52. . ..........................................................62.1. ....................................................................................7-83. ...........................................................................................94. ...........................................................................................10-125. ...............................................................................135.1. .......................................................................145.2. .............................................................................156. ......................................................................................16 7. ...............................................................................................178. ................................................................................................18

, . , . , . a . , , . . . . . , .

1.1.

pH-

, pH- 5.0-8.0.

, 2 mg, 2 % , . , 2 mg. .

15 ml, , , . 15 ml, , .

.

, 40 . . .

:

, , . .

:

, .

1.2.

()

1ml

1 ml , 4 ml

4 ml , 20 ml2 ml

20 ml ()100 ml10% ,

100 ml10% 50 ml( )

50 mg

50 mg , 200 mg

200 mg 100 mg

2. .

. . , , , ( ), . , . , . , ., .

. , .

2.1.

pH-

6.0-7.5.

, , .

.

, 40 . . .

:

, , . .

:

,

:

, . , , . , , .

3. Cn(H2O)n

. . . , . . : , , . , . , . ( ) , . . . . , , - . , , . .

4.

. . : , , , , , , , .

(+)-(, ). . . , . (+)- C6H12O6. . (II)- . - .

1. :

COOH H C OH |[O] OH C H H C OH H C OH CH2OH H C = O H C OH | [O] OH C H H C OH H C OH CH2OH

2.

g+ ( )

COO-NH4+ H C OH | HO C H +3NH3+H2O+2Ag H C OH H C OH CH2OH C = H C OH | C H + 2[g(NH3)2]OH H C OH H C OH CH2OH

3. Felingova reakcija

Oksidacija monosaharida sa Cu2+ jonima

COOH H C OH OH C H COOK H C OH + CHOH +2Cu2O H C OH CHOH CH2OH CHOH H C = O H C OH COOK OH C H + 2 CHO Cu H C OH CHO H C OHCOONa CH2OH

1. 2. 3.

. . 80% .( ) ( ) . . .

3.9 6.1 mmol ( ). , . . , , . . .

5.

5.1.

: Glucosi infundibile 5% ( 5% ) : :

1. NaOH, 0.1 mol/l

2. 0.05 mol/l 100.0 ml 1.27 g , I2, 2,0 g -, KI, . .

3.H2SO4, 0,5 mol/l 1000.0 ml 25 g Na2H2CO3 0.2 g H2CO3 .

4. -,Na2S2O3, 0.1 mol/l 1000.0 ml 25 g Na2S2O3 i o.2 g Na2CO3 .

5. () 1.0 g 5 ml 100 ml 100 ml . .

: 100 mg ( 2 ml), 30 ml NaOH 20 ml . 30 . 10 ml H2SO4 Na2S2O3 . 2 ml . .

: 0.1 mol/l Na2S2O3, , C6H12O6 Na2S2O3 .1 ml 0.1 mol/l Na2S2O3 9.01 mg C6H12O. 4.75 5.25% e.

5.2.

6.

:

V(Na2S2O3)=v(Na2S2O3) V(Na2S2O3)

V(Na2S2O3)=19.5cm3

V1(Na2S2O3)=8.5ml V2(Na2S2O3)=8.4ml

V3(Na2S2O3)=8.4ml

V(Na2S2O3)=

V(Na2S2O3)=19.5-8.43= 11.07ml

1.0ml 0.1mol/l Na2S2O3 9.01mg C6H12O6

11.07ml o.1 mol/l Na2S2O3 Xmg C6H12O6

x=

x=99.74 mgC6H12O6=0.09974g C6H12O6

W= *100%

W=*100%

W=4.98% C6H12O6

7.

% Na2S23. . .

8.

1. II III - 2. - - 3. - ,

17