45

:

2

. 1

. 2

. 2

1. 2

2. 3

. 3

1. 3

(1) 3

(2) 4

(3) 4

2. 5

(1) 5

(2) 5

3. 5

4. 6

5. (AAS) 7

. 8

1. ? 8

2. pH ? 9

3. ( ) ? 9

4. ? 10

. 10

1. 10

2. pH 20

3. () 22

4. 23

. 25

1. 25

2. 26

. 27

- 1 -

.

,

.

. ?

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.

.

.

1. .

.

.

2.

.

.

,

.

- 2 -

3.

.

.

,

.

.

1.

(1) .

(2) .

(3) .

(4) ,

(AAS) .

2.

(1) ?

(2) pH ?

(3) ( ) ?

(4) ?

.

1.

- 3 -

(1)

,

13 , 2, () 2

, 4, 3, 2 .

, () , , ,

, , ,

. 1 .

,

. ,

() . ()

. ,

(-NH2) .

2 .

1

(2)

.

40 80 24

- 4 -

2

.

. 80

.

(3)

.

.

Mixing machine .

.

,

.

.

(590mesh,

500mesh, 297mesh)

(500mesh)

. 2 .

2.

(1)

.

, ,

.

.

() (),

()

,

. Junsei Chemical Co.,LTD()

CuSO4 Pb(NO3)2 SHIMAKYU'S

PURE CHEMICALS() Cd(NO3)2 .

- 5 -

3 pH

(2)

20ppm .

20ppm 200ppm 10

20ppm .

3.

(1) pH

.

.

CuSO4, Cd(NO3)2, Pb(NO3)2

. pH 3

, pH c-HCl 5M NaOH .

pH 1

pH 6 . pH

HANNA HI8424 pH .

pH

5.58.5

99 6 1 5.64

99 6 2 5.72

7.5

1 pH

(2)

50mL 150mg

, 15 48 150rpm

.

.

Shaking Incubator 4 () O-SIL

.

- 6 -

5

4 Shaking Incubator

4.

48 5 600012000rpm

15 , 14ml

. 2 .

Mega17R

Max. RPM 17,400 rpm

Max. RCF 33.172 xg

Max. Capacity 6100ml

Temp range -2040

Temp limit set range 030

Brake 10 setting

2

- 7 -

6

5. (AAS)

6

PERKIN ELMER AAS

3300 .

AAS 3

.

element

()

wave

length

(nm)

()

slit

(nm)

()

flame

gases

()

sensitivity

(mg/L)

()

sensitivity

check

(mg/L)

()

linear

range

(mg/L)

()

standard solution

(mg/L)

( )

1 2 3

Cd 228.8 0.7 A-Ac 0.028 1.5 2.0 2 6 12

Cu 327.8 0.7 A-Ac 0.077 4.0 5.0 5 15 30

Pb 283.3 0.7 A-Ac 0.45 20.0 20.0 20 60 120

3

.

1. ?

3 . 3

. 13 (, , , , , ,

, , , , , , ) 3

(Pb2+, Cd2+, Cu2+) . , pH 4

. 1g .

- 8 -

U =V( C i C f )

M

U: (mg/g)

V: (L)

Ci: (mg/L)

Cf: (mg/L)

M: (g)

Cd(NO3)2 Cu(SO4) Pb(NO3)2

pH 6.02 6.03 6.01 6.02 6.02 6.03

15.0 15.1 15.4 15.5 15.7 15.8

pH 6.02 6.03 6.01 6.02 6.02 6.03

15.0 15.1 15.4 15.5 15.7 15.8

pH 6.02 6.03 6.01 6.02 6.02 6.03

15.0 15.1 15.4 15.5 15.7 15.8

pH 6.02 6.03 6.01 6.02 6.02 6.03

15.0 15.1 15.4 15.5 15.7 15.8

pH 6.02 6.03 6.00 6.01 6.02 6.03

15.8 15.9 15.8 15.9 15.6 15.7

pH 6.02 6.03 6.00 6.01 6.02 6.03

15.8 15.9 15.8 15.9 15.6 15.7

pH 6.01 6.02 6.02 6.03 6.01 6.02

15.2 15.3 15.1 15.2 15.2 15.3

pH 6.01 6.02 6.02 6.03 6.01 6.02

15.2 15.3 15.1 15.2 15.2 15.3

pH 6.00 6.01 6.02 6.03 6.01 6.02

15.3 15.4 15.4 15.5 15.7 15.8

pH 6.00 6.01 6.02 6.03 6.01 6.02

15.3 15.4 15.4 15.5 15.7 15.8

pH 6.00 6.01 6.02 6.03 6.01 6.02

15.3 15.4 15.4 15.5 15.7 15.8

pH 6.02 6.03 6.00 6.01 6.02 6.03

15.2 15.3 15.4 15.5 15.5 15.6

pH 6.02 6.03 6.00 6.01 6.02 6.03

15.2 15.3 15.4 15.5 15.5 15.6

4 ( pH)

- 9 -

2. pH ?

pH

pH 47

. 250ml 20ppm 50ml , NaOH

HCl pH . () 150mg

shaking incubator .

3. ( ) ?

,

(Na+, K+) (Ca2+) 20ppm

50mL , ,

.

4. ?

, Cu2+, Pb2+ .

20ppm ,

. 50mL , pH

6 .

.

1.

13 3

. , , , ,

.

.

- 10 -

Cd2+(mg/L) Cu2+(mg/L) Pb2+(mg/L) (Cd2+) (Cu2+) (Pb2+)

18.500 18.990 17.160

15.202 16.550 0.797 17.8% 12.8% 95.4%

17.680 17.160 4.463 4.4% 9.6% 74.0%

1.732 6.945 0.883 90.6% 69.4% 94.9%

0.414 7.443 2.482 97.8% 60.8% 85.5%

2.757 3.321 1.271 85.1% 82.5% 92.6%

4.724 7.507 3.147 74.5% 60.5% 81.7%

1.500 0.032 2.206 91.9% 99.8% 87.1%

4.332 7.460 0.390 76.5% 60.7% 97.7%

18.080 15.090 12.720

4.282 10.030 1.411 76.3% 33.5% 88.9%

5.077 5.410 2.865 71.9% 64.1% 77.5%

2.127 8.434 8.182 88.2% 44.1% 35.7%

5.218 9.337 1.452 71.1% 38.1% 88.6%

4.283 5.667 1.457 76.3% 62.4% 88.6%

5

5

(1) (, )

Cu2+ Cd2+ , Pb2+

.

(2) (, )

Cd2+

.

(3) (, , , )

.

(4) (, , )

Cd2+ .

(5) (, )

Pb2+ .

- 11 -

7, 8, 9 ()

.

7 Cu2+

- 12 -

8 Cd2+

- 13 -

9 Pb2+

- 14 -

Pb2+ .

.

70% .

.

1g

6 .

Cd2+(mg) Cu2+(mg) Pb2+(mg)

1.099 0.813 5.454

0.273 0.610 4.232

5.589 4.015 5.425

6.029 3.849 4.893

5.248 5.223 5.296

4.292 3.828 4.671

5.667 6.319 4.985

4.723 3.843 5.590

4.599 1.687 3.769

4.334 3.227 3.285

5.318 2.219 1.513

4.287 1.918 3.756

4.599 3.141 3.754

6 1g (mg)

1g , Cu2+

. 1g

- 15 -

.

.

. ,

Cd2+ Cd2+

. Pb2+

.

Pb2+

.

, , Cd2+

.

.

.

Cd2+, Pb2+,

. 10, 11, 12

1g .

- 16 -

10 1g Cd2+

- 17 -

11 1g Pb2+

- 18 -

12 1g Cu2+

- 19 -

2. pH

()

Cd2+ pH .

pH 4, 5, 6, 7 7

.

= 18.500mg/L Cd2+ + (mg/L)

pH4 8.313 55.1%

pH5 4.998 73.0%

pH6 4.724 74.5%

pH7 6.348 65.7%

7 pH

pH , pH 6

. pH 6

. ,

pH 6 .

pH

, pH 47

20%

. 7 13

.

- 20 -

(%)

13 pH

- 21 -

3. ()

,

. Na+, K+, Ca2+

. (Cd2+) 20ppm

50ml

. 8 .

Cd2+ +

18.500Cd2+ Na+ K+ Ca2+

(mg/L)4.724 4.842 5.986 6.628

(%) 74.5 73.8 67.6 64.1

8

.

.

.

.

. 14 8

.

- 22 -

(%)

14 (Na+, K+, Ca2+)

(Cd2+)

4.

.

. Cd2+(20ppm) Cu2+ Pb2+

20ppm . 9 .

- 23 -

9.

Cd +

18.500Cd Cu Pb

4.724 10.232 11.232

(%) 74.5 55.2 50.2

.

. 15 9 .

(%)

15 (Cu2+, Pb2+) (Cd2+)

Cd2+

Pb2+ Cu2+ Cd2+

Cu2+ Pb2+

.

- 24 -

.

1.

. ,

2

.

.

, ,

2 .

.

(1) Cd2+, Cu2+,

Pb2+ 13 (, , , , , , ,

, , , , , ) .

.

Pb2+

Cu2+, Cd2+ .

.

, -COOH,

NH2-, -PO4, -SO4, C6H5-, CO, (NH2)3C-NH-, -OH

.

. ,

-OH, -CH2OSO3-

-COOH, -OH

.

(2) pH pH 6

pH

pH .

pH 67

pH

- 25 -

.

(3) (Na+, K+, Ca2+)

.

.

(4)

.

.

(5)

10 .

(/g) (/g)

2.4 16.7

183.5/g

2 10

5 15

5.5 25

16.7 1.5

10

.

.

2.

(1)

- 26 -

(2) ,

(3)

(4)

.

1. . . ()

1995.

2. 2 . ,

/ . . 1992.

3. 2 1 . (

). . 1997.

4. Vol. 12, No.2 1999.

5. .

(, , ) . 1999.