CBOHCTBAMH H TyprOPOMt PACTHTEJIbHHXT. KJI'BTOK'b. 53 



Hanp. npn TaKon to^hocth onpeA'BJieHiH KOHneHTpauin, KaKi> sto HM-feerb M-fccro bt, jHTCTbax'b 

 mxobx, B03M0KHa omnSKa bt> oripeABJieuin: *aKxopa npoHnnaeMOCTH p ao 50°/ ero Bejinqnubi; 

 npn 6ojibmnxT> p., TaKaa 3HaqnTeJibHaH norptumocTb omyTHTejibno OTpa3HTca n Ha ocmoth- 

 necKOMi) AaBJieHin. 



Ecjh CK>Aa npncoe,a,HHHTb norpiinHOCTH npn BBeAeHin nonpaBOK'b na 3haocmo3t>, 3K3ocmo3t> 

 hi. n., to BT) o(5men cjohhocth omnSKa npn onpeA^JieHin cpeAHeii BejmqHHbi ocMOTHqecKaro 

 AaBieeia coKa pa kji-etok-b KaKofi-nnoyAb raann npn noMomn njiasMOJinraqecKaro MeTOAa MoacerB 

 AOCTnraTb bt> xyAineMi> cjiyqa-fe AOBOJibHo omyTHMoii BejnjqnHbi bt> 10 — 1 7°/ n 6ojiBiue. OuraSKa 

 npn naxoacAeHin ocMOTHqecKaro AaBJieHia coKa ajih KaKofi-HnoyAb onpeAiJieuHon KJitTKH hjih 

 cpeAHaro AaBJieHia ajih KJitTOKt OAHoro h Toro-ace cpfea TKaHH xoth h ne 6yj\,eTh pasyjiieTca 

 TaKofi 3eaqHTejibHOH (b-l xyAineMT) cjiyqaf, OHa Moaterb AOCTHmyTb He 6oxfce 0,5 — 2%), 

 OAHaKo HaxoacAeme TaKoro H30TOHHqecKaro pacTBopa AOBOJibHo kohotho, TaKt KaKT> npnxoAHTca 

 bt> KaatAOMt HcnbiTbiBaeMourb Ha njiasMOJira-b pacTBopfe AepataTb oSteKTb He MeH'fee 10 — 15 

 MHHyra ajih ycTaHOBJiema ocMOTnqecKaro paBHOBicia (cm. nanp. bt> tji. Ill o choco6-e onpeA'fe- 

 jeHia KOHueHTpaHin njiasMOJironpyromnx't pacTBopoBi, y Tradescautia). 



2. KpiocKoriMwecKM MeT0A"fe. 



CorjiacHO TaKi> Ha3biBaeMOMy KpiocKonnqecKOMy MeTOAy onpeA'BJieHia ocMOTHqecKaro 

 AaBJieHia KXBToqHaro coKa, nocjitAtrin BbiacHMaeTca H3t KJI'BTOK'b h noABepraeTca 3aMopaa;n- 

 BaHiK) bt> annapart EeKMaHHa. Ilo TeiunepaTypt 3awep3aHia Bbiqncjiae'rca ocMOTHqecKoe 

 AaBJieme no hsb-bcthbimi *opMyjiaM-b (cm. CTp. 33, npnM.). 



rjaBHbiS HeAOCTaTOKt KpiocKonnqecKaro MeTOAa coctohtt> bt> tomt>, qTO A-ia onpeA'BJieHia 

 ocMOTHqecKaro AaBJieHia no 3TOMy MeTOAy HeoSxoAHMO 6ojte hjih weHie 3HaqHTejibHoe kojih- 

 qecTBo KJfBToqHaro cona. BjaroAapa 3TOMy npnxoAHTca AOBOJibCTBOBaTbca cpeAHeii BejinqHHOH 

 ocMOTHqecKaro AaBJienia ajih kji^tokt. HHorAa n.'fcjiaro KOMHJieKca TKaHeii. IIpn 3tomt> He npeA- 

 CTaBJiaeTca qaero B03MoaiHbiMT> yAa.iHTb H3x nocjitAenxi) cocyAHCTbie nyqKn h BOAa coAepata- 

 m,aaca bt> ApeBecHH'fe pa36aBjaeTi TaKHMi> o6pa30MT> KjrEToqHbiH cokt,. Ecjih pacTeaie Kyjib- 

 THBHpyeTca B-b hhakocth, to nocxBAHKao Tanace HtTi> HnKaKoft bo3mohihocth yuajiHTb nojiHOCTbio 

 n TeMnepaTypa 3aMep3aHia nojiyqeHHaro cona He MoateTi> cjitAOBaTejbHO oTB^qaTb Aaa;e cpeA- 

 HeMy ocMOTHqecKOMy AaBJieHiw iatTOKi) B3aTbixi TKaHew. OtunSKa yBejinqHBaeTca eme HHorAa 

 h TtMx, qTO npnxoAHTca pa36aBJiaTB nojiyqeHHbin coki Bt BHAy cjihuikomi SoJibuioa ero 

 KOHHeHTpanin. OAuaKO, ecJin Aaa^e HHorAa h Moaiuo yAOBJieTBopnTbca nojiyqeHHOH BejinqHHOH 

 ocMOTHqecKaro AaBJieHia, to He cjitAyeTt bo bchkomt> ciyqat 3a6biBaTb, qTO Mbi onpeAtjiaeMi 

 Ji0mb ero TeopeTnqecKyio BejraqnBy, t. e. npeAnojiaraeMT>, qTO njia3MaTHqecKaa nepenoHKa 

 a6cojiK)THo HenpoHHH,aeMa AJia BemecTBT>, pacTBopeHHbixT> bt> KJiBToqHOMt coKy, TorAa KaKx 

 sto AaJieKo He oTB-EqaerL hcthh'E. BMicffe ch t^mi BbisHMan h3T) AaHHofi TKaHH KJitToq- 

 Hbifi cokT), Mbi 0Tpt3biBaeMT. ce6t nyTb kt> onpeA^jieHiK) npoiiHnaeMOCTH njia3MaTHqecKaro 

 M^uiKa hjih npnHyatAeHbi AOBOJibCTBOBaTbca onpeAtjenieMi nocjitAHen AJa HeMHorax^ 

 KjiiTOKi), cjiyqaSno BbipfeanHbixTb ao onbiTa h3T) B3aTbixi, TKaHeii, coAepa<aI^HX^ MHJjiioHbi 



KJI'BTOKT.. 



