Lecture_CollChem_1b

8 6 7-

'

c1

c 2

c

x

1

2

c

i

=

2

t

t

2 = 2 Dt

c

>

i

= D

t

6 7-

'

kT

2 k

Tt

D =

2

=

6 r

6

r

© . .	-	11

? @

R* * U (Jean Perrin) (1870-1942),

= =. A 1940 A(. ) F F =. T (1895),

B F +

? . & F + R.

" ? (1908-13)

+ F ?

& H — A "

+ + +

D .

+ " .

F (1926).

© . .	-	12

! /

C0		= exp	mgh
C			kT
	h

h = kT ln(C0 / Ch ) mg

		,
	,	- ,
		2		106
!	0,27	5		100
	1,86	215		4300
	8,35	2,5		50
S +
	186	2j10-5		4j10-4
A F	230	3j10-3		6j10-2
" "

© . .	-	13

;

5 '

	C0		Mgh
		= exp
	Ch	kNAT

NA = Mgh ln(C0 / Ch ) kT

© . .	-	14

!

F =6 rv

( - )

FA

FA =4/3 r3( 0 )g

F

6 rv= 4/3 r3( 0)g
					A
					" "
		9 v
r =
		2( 0 )g

© . .	-	15

!

(,)

< / !: — ; — ,

7; — , 7

!		H ' /			! /
		!		!

© . .	-	16

I * '

AK*TI* > (Svedberg) ) (18841971), H =,

AAA (1966). & F + F (1906)

B " ? . & H . A ". A (1919) + = "

F " (1925) F

.

F (1926).

© . .	-	17

! ! * ,

	4			5	-1
A + = "
	J K 10 –10
(A ", 1912): 1 — ;
			6		2
2 — B; 3 — F; 4 —	g K 10			/

; 5 — "-

BD F -

g = 2 x

				9 ln(x			/ x )
R D "	+
						2	1
— F B-		r =
				2(	) 2
+ = "	F
						0
= "

© . .	-	18