1、 8.7742011 ISO 22412:2008Particle size analysis Dynamic light scattering (DLS)(NEQ)ISO 13321:1996Particle size analysis Photon correlation spectroscopy(NEQ) 27 2002 . 184- , 1.02004 . 1 - - ()2 3 13 2011 . 1119-4 :- 22412:2008 . (ISO 22412:2008Particle size analysis Dynamic light scattering (DLS);-
2、13321:1996 . (ISO 13321:1996 Particle size analysis Photon correlation spectroscopy)5 , - . () . - , , 2012 , - - II 8.77420111 .12 13 24 .25 46 57 .58 59 .610 .611 .6 7III 8.7742011 State system for ensuring the uniformity of measurements. Disperse composition of liquid media.Determination of parti
3、cle size by dynamic light scattering 201301011 ( ). - . - . .2 : 5725-22002 ( ) . 2. 14644-12002 . 1. 670972 . 980584 . 1830087 . - - , 1 , , . (), - () . , , , , .1 8.7742011 3 :3.1: , , -. 1688771, 43.2 : , () . 5110997, 5.63.3:-, . 1688771, 13.4 : . 1688771, 23.5 : , , , - 100 .3.6 : , , - .3.7 :
4、 , - .3.8 : , , .3.9:- . -. , . - , -. 332000, 3.34 - , . - I(t) . c76 =2c112/q , - c113, q =40c112c108nsinc1132c230c232c231c246c248c247,(1) q c114q;2 8.7742011n ;c1080 . c113 c76 c1080/(2n)c113= c112 , c113 = 0,005 ., , , , 1. - I(t). D/c76 = Dq/2c112 D, c1160 c1160=1/Dq2. (2) , I(t) , :G(c116)=c22
5、5I(t)I(t c116)c241 = limc68tc174c1651c68tII() ( )tt dttc45c242c1160c68, (3) c68t ();c116 ;I(t c116) (t c116). G(c116) :G(c116)=a exp (2c116/c1160)+b, (4) a = c225I2(t)c241 b = c225I(t)c2412 ( c225c241 );c116 ;c1160 . 2 G(c116). c1160 , (4),D(2).d :d =kTDB3c112c104,(5) kB ; T c104 .3 8.7742011 1 , 5
6、5.1 , ( ), 3.5.2 2 35 . 30 2 5 , 15 35 . 35 - , .5.3 - .5.4 .5.5 .5.6 .4 8.77420111 ; 2 ; 3 ; 4 ; 5 ; 6 ; 7 ; 8 3 2 6 6.1 , - :- (20 c177 10) C;- 30 % 80 %;- 84 106 ;- 230 (c45c43106%);- 30 0,75 ;- , , 8 14644-1;- .7 7.1 , - 1000 , III, - .7.2 , - .8 8.1 .8.1.1 :) 10 ;) 500 1000. - N V N =6C0V/c112d3, (6) C0 ;V ;d .8.1.2 -, , 0,8.8.2 , .8.2.1 , .8.2.2 :) , ;) , , , 0,05;) c177 0,5 %;) ( ).8.2.3 , 6709, , 18300 9805.5 8.77420119 9.1 :) . , , 8;) - . c177 1C;) , :- ;- ;- , ;- , ;) ( -);) ( , d ).10 d
