17.2 Hunhu Kutemwa kweStarch muMvura-Soluble Polymers
17.2.1 Musimboti
17.2.1.1 Chinangwa chebvunzo iyi ndechekuona kuvepo kwestarch kana starch kubva muhupfu kana granular anonyungudika mumvura mapolymes sePAC-LV.
17.2.1.2.Kuonekwa kwePAC-LV mhinduro nekuwedzera mineral/iodide solution*
Kana amylose iripo, inoshandurwa kuita ruvara rwakaoma.
17.2.2 Reagents uye zvinhu
a) Deionized kana distilled mvura
b) Nitrate solution, semuenzaniso Merck 1.09.089.1000 (CAS No. 7553-56-2) 7) 0.05.
c) Potassium iodide 1 Merck 1.0504 3.0250 PA (CAS No. 7681-11-0
d) Sodium hydroxide (NaOH) (CAS No. 1310-73-2): dilute solution, 0.1% -0.5%.
17.2.3 Zvishandiso
17.2.3.1 Stirrer 1ta Model 98 Multi-shaft Stirrers ine 9B29X impeller kana blade yakaenzana ine imwechete
sinusoidal waveform;blade diameter approx.25 mm (lin, yakarova kumeso kumusoro).
17.2.3.2 Kapu yekuzunguza ine saizi ingangoita 180 mm (7.1 mukati) kudzika, 97 mm (3-5/6 mu) dhayamita ye
muromo wepamusoro,uye 70 mm (2.75 mu) dhayamita yepasi (eg M110-D mhando Hamilton Beachmukombe unobvongodza
kana chinhu chakaenzana).(A 600 ml girazi rinogonawo kushandiswa sechinzvimbo.)
17.2.3.3 Laboratory zvipunu.
17.2.3.4 Scraper.
17.2.3.5 Chiyero: Kururama ndiko 0.01 g.
17.2.3.6 Volumetric flasks 100ml
17.2.3.7 Pasteur pipettes kana dropper mapurasitiki.
17.2.3.8 Nguva: Mechanical kana zvemagetsi, kunyatsoita 0.1 min.17.2.3.9 pH mamita uye pH electrodes:
semuenzaniso Thermo Russell mhando KWCW1 19)
17.2.3.10 Polymeric feeding zvishandiso (eg Fann 10) kana 0Fl mhando 11))
17.2.3.11 Test tubes.
17.2.4 Nzira - Kugadzirira kweIodine / Potassium Iodide Solution
17.2.4.1 Wedzera 10 μl ± 0.1 ml ye 0.05 mol / l mhinduro yeiodine kune 100 ml ± 0.1 ml volumetric flask.
17.2.4.2 Wedzera 0.60 g±..01 g Potassium iodide (KI), zunza furasiki zvinyoronyoro kuti inyunguduse.
17.2.4.3 Wedzera mvura yakasvibiswa kune 100 ml mark uye nyatsosanganisa.Nyora zuva rekugadzirira.
17.2.4.4 Mushonga wakagadzirwa weiodine/iodide unochengetwa mumudziyo wakavharwa wochengetwa munzvimbo ine rima, inotonhorera uye yakaoma.
Nguva yekupera inosvika mwedzi mitatu uye inofanira kuraswa uye kuumbwa patsva.
17.2.5 Maitiro - PAC-LV Kugadzirira Kugadzirisa uye Kuonekwa kweStarch
17.2.5.1 Gadzirira 596 mvura ine mvura yePAC-LV kuti iongororwe.
Wedzera 380 g ± 0.1 g yemvura yakasvibiswa kune kapu yekusanganisa, wedzera 2 g ± 0.1 g yePAC-LV pakumhanya kwakafanana.
uchikuchidzira pamushonga,uye nguva yekuwedzera inofanira kuenderera mberi kwe60 kusvika ku120 s.
Muenzaniso unofanirwa kuwedzerwa kune mhirizhonga mumukombe wekusanganisa, uye dzivisa kubvongodza shaft kuderedza guruva.
Zviri nani kushandisa polymer kuchaja mudziyo muna 17.2.3.10.
17.2.5.2 Mushure mekurunga kwemaminetsi mashanu ± 0.1 min, bvisa kapu yekukuchidzira kubva mukukuchidzira wokwenya ese maPAC-LV akanamira pa.
mukombe rusvingo ne spatula.Yese PAC-LVs yakanamatira kune scraper yakasanganiswa mune mhinduro.
17.2.5.3 Kuyera pH yemushonga.Kana iyo pH yakaderera pane gumi, wedzera dilute solution yeNaOH inodonha.
Wedzera pH kusvika ku10
17.2.5.4.Dzorera kapu inokurunga kumushonga uye ramba uchikurudzira.Nguva yose yekukurudzira inofanira kuva 20 min ± 1 Min.
17.2.5.5 Isa 2 ml yemhinduro yemuenzaniso muchubhu yekuyedza uye wowedzera madonhwe matatu emushonga weiodine/iodide,
kusvika kumadonhwe makumi matatu.
17.2.5.6 Gadzirira zviyedzo zvitatu zvisina chinhu nemvura yakasvibiswa.Wedzera madonhwe matatu, madonhwe 9, madonhwe makumi matatu eodine/iodide mhinduro kune
machubhu ekuenzanisa bvunzo.
17.2.5.7 Mushure mekuwedzera madonhwe matatu emushonga nguva imwe neimwe, zunza chubhu zvinyoro nyoro kuti uenzanise ruvara rwemushonga.
ne blank test.Kuenzanisa kwemavara kunofanira kuitwa kunopesana nemashure machena.
17.2.6 Kutsunga - PAC-LV Starch Detection
17.6.1
ine chero sitachi kana zvakabva ku sitarch.
17.2.6.2 Kana pane rumwe ruvara rwuripo, zvinonyatsotaridzwa kuti pane starch kana
17.2.6.3 Kana ruvara ruchiratidzika kunyangarika nekukurumidza, zvichiratidza kuvepo kweanoderedza, mune iyi nyaya,
ramba uchiwedzera dropwise iodine / iodide Solution, ruvara kuenzanisa neimwe yebvunzo isina chinhu, ona 17.2.61.
17.2.6.4 Kana chero maitiro eruvara akasiyana ne17.2.6.1 akaonekwa, hazvifanirwe kuenderera nebvunzo inotevera.
17.3 Hunyoro
17.3.1 Apparatus 17.3.1.1 Ovheni: Inogona kudzoreka pa105°C±3°C (220±5>.
17.3.1.2 Chiyero: Kururama kwe0.01 g.
17.3.1.3 Evaporation dish: Kukwanisa 150 ml.
17.3.1.4 Scraper.
17.3.1.5 Desiccator: Iine desiccant (CAS No. 7778-18-9) desiccant, kana yakaenzana
17.3.2 Test Procedure
17.3.2.1 Weresa 10 g ± 0.1 g PAC-LV sampuli yekuyereswa Mundiro inopupuma, rekodha sample mass m.
17.3.2.2 Pukuta sampuli muchoto kwe4 h
17.3.2.3 Tonhodza sampuli mudhizikita kusvika patembiricha yekamuri17.3.2.4 Wera zvakare ndiro inoputika ine
yakaomeswa PAC-LV, rekodha yakaoma sampuli mhando m2.
17.3.3 Kuverenga
17.4 Kurasika kwemvura
17.4.1 Reagents uye zvinhu
17.4.1.1 Munyu wegungwa: Ongorora ivhu maererano neASTM D 1141-98 (2003) 12
17.4.1.2 API mwero.
17.4.1.3 Potassium Chloride (CAS No. 7447-40-7)
17.4.1.4 Sodium Bicarbonate (CAS No. 144-55-8).
17.4.1.5 Mvura yakasvibiswa kana yakasvibiswa.
17.4.2 Zviridzwa
17.4.2.1 Thermometer: Chiyereso chekuyera 0 °C ~ 60 °C, iyo chaiyo i 0.5 °C
(chiyero chekuyera chiri 32 °F ~ 140 °F, iyo chaiyo i1.0 °F)
17.4.2.2 Chiyero: Kunyatsokwana i0.01g.
17.4.2.3 Stirrer: Kana Type 9B multi-shaft stirrer ine 9B20x impeller,shaft inofanira kuiswaa
singlesine wave blade ine dhayamita yeblade ingangoita 25 mm (1 mukati) ine chidhindo chakatarisa mudenga.
17.4.2.4 Kapu yekukuchidzira ine saizi ingangoita 180 mm (7.1 mukati) kudzika, 97 mm (3-5/6 mu) dhayamita ye
muromo wepamusoro,uye 70 mm (2.75 mu) dhayamita yepasi pasi (eg M110-D mhando Hamilton Beach inobvongodza kapu).
17.4.2.5 scraper.
17.4.2.6 Mugaba: Girazi kana plastiki, ine chivharo kana chivharo, inoshandiswa pamvura ine munyu.
17.4.2.7 Viscometers: Magetsi, kuverenga zvakananga, zvinoenderana ne ISO 10414-1
17.4.2.8 Zviyereso zvenguva: Zviviri, zvemuchina kana zvemagetsi, zvine huchokwadi hwe 0.1 min yenguva yakayerwa pabvunzo iyi.
17.4.2.9 Filtration Apparatus: Kudzikira tembiricha uye rudzi rwekumanikidza, maererano nezvinopihwa muChitsauko 7 che.
ISO 10414-1:2008.
17.4.2.10 Masirinda ekuyeresa: Maviri, ane huwandu hwe10 ml ± 0.1 ml uye 500 ml ± 5 ml *
17.4.2.11 Polymer feeding device (Fann type kana OFI type).
17.4.3 Nzira Yekuedza - PAC-LV Fluid Loss
17.4.3.1 Wedzera 42 g ± 0.01 g yegungwa remunyu kune 11 ± 2 ml yemvura yakasvibiswa.
17.4.3.2 Mu 358 g yemushonga wemunyu wegungwa, wedzera 35.0 g ± 0.01 g ye potassium chloride (KCl).
17.4.3.3 Mushure mekusimudzira 3 min ± 0.1 min, wedzera 1.0 g ± 0.01 g ye sodium bicarbonate.
17.4.3.4 Mushure mekusimudzira kwe3 min±0.1 min, wedzera 28.0 g±0.01 g API mwero kuti uongorore.
17.4.3.5 Mushure mokukurudzira 5 min± 0.1 min, bvisa kapu inoputika kubva kune inoputika uye uiparadze kumadziro ne scraper.
Yese API miyero inoongorora ivhu.Yese API standard evaluation ivhu yakanamatira kune scraper yakasanganiswa mukumiswa.
17.4.3.6 Dzorera kapu inoputika kune inofambisa uye ramba uchikurudzira 5 min ± 0.1 min.
17.4.3.7 Were 2.0 g±0.01 g PAC-L.
17.4.3.8 Zvishoma nezvishoma uchikurunga pamushonga, wedzera PAC-LV pamwero wakafanana.
Nguva yekuwedzera inofanira kugara inenge 60 seconds.Iyo PAC-LV inofanirwa kuwedzerwa kune vortex mukapu yekusanganisa
uye dzivisa shaft inobvongodza kuderedza guruva.Zvakanakisa kushandisa polima feed mudziyo muna 17.4.2.11.
17.4.3.9 Mushure mekurunga kwemaminetsi mashanu ± 0.1 min, bvisa kapu yekukuchidzira kubva kune inomutsa uye shandisa spatula kukwenya zvese.
PAC-L yakanamatira kumadziro ekombe.Yese PAC-LVs yakanamatira kune scraper yakasanganiswa mukumiswa.
17.4.3.10 Dzosera chirongo kumudziyo uye ramba uchikurudzira.Kana zvichidikanwa, mushure memaminitsi mashanu uye maminitsi gumi, bvisa mhirizhonga
kapu kubva mukukurudzira uye bvisa yese PAC-L yakanamatira kumadziro ekombe.Nguva yese yekukurudzira kubva ku
kutanga kwekuwedzera kwePAC-LV kunofanirwa kuve 20 min ± 1 min.
17.4.3.11 Pa25 °C ± 1 °C (77 °F ± 2 °F),chengetedza kumira mumudziyo wakavharwa kana wakavharwa kwe16 h ± 0.5 h.
Rekodha tembiricha yekurapa uye nguva yekurapa.
17.4.3.12 Mushure mekuporesa, simbisai kumira pamhepo ye5 min ± 0.1 min.
17.4.3.13 Dururira PAC-LV kuturika mukapu yekusefa.Ndisati ndadira mukumiswa,ita chokwadi kutizvosezvikamu
yekapu yekusefa yakaoma uye mhete yechisimbiso haina kuremara kana kupfekwa.Kupisa kwekumisa kunofanira kuva
25°C±1°C (77°F±2).Kusvika mukati me13 mm (0.5 mukati) kubva pamusoro pekapu.Unganidza kapu yekusefa, isa kapu yekusefa pairi
chibatiso, vhara chivharo chekumanikidza, uye isa chigadziko pasi pechubhu yekudhonza.
17.4.3.14 Isai timer ku7.5 min uye imwe yakagadzirirwa ku30 min.Panguva imwe chete tanga nguva mbiri uye gadzirisa mukombe wekumanikidza kuti
690 kPa ± 35 kPa (100 psi ± 5 psi).Kumanikidzwa kunofanirwa kupihwa nemhepo yakamanikidzwa, nitrogen kana helium.
Inofanira kupedzwa mukati memasekonzi gumi nemashanu.
17.4.3.15 pakutanga Panoperera timer chete, bvisa chigaba uye bvisa chero mvura inonamira padhiraini uye
zvirase.Iyo yakaoma 10 ml yakapedza silinda yakaiswa pasi pemvura uye iyo filtrate yakaunganidzwa kusvika yechipiri.
timer yapera.Bvisa silinda uye rekodha huwandu hwefiltrate yakaunganidzwa.
17.4.4 Kuverenga - Kurasika kwePAC-LV Huwandu hweV yakasefa inoverengerwa maererano nekuenzanisa (43) mu ml;
v-2xVe (43) apo: 1⁄2_ vhoriyamu yefiltrate yakaunganidzwa pakati pe7.5 min uye 30 min.Iyo unit ndeye ml.
17.5 Inooneka Viscosity yeMagadziriso
17.5.1 Test Procedure - Inooneka Viscosity yeSolution
17.5.1.1 Wedzera 42 g ± 0.01 g yegungwa remunyu kune 11 ± 2 ml yemvura yakasvibiswa.
17.5.1.2 Mu 358 g yemushonga wemunyu wegungwa, wedzera 35.0 g ± 0.01 g ye potassium chloride (KCl).
17.5.1.3 Kuyera 5.0 g ± 0.01 g PAC-Lv.Zvishoma nezvishoma uchikurunga pamushonga, wedzera PAC-LV pachiyero chakafanana.
Nguva yekuwedzera inofanira kugara inenge 1 miniti.Iyo PAC-LV inofanirwa kuwedzerwa kune vortex mukapu yekusanganisa
uye dzivisa shaft inobvongodza kuderedza guruva.
17.5.1.4 Mushure mekurunga kwemaminetsi mashanu ± 0.1 min, bvisa kapu yekukuchidzira kubva mukukuchidzira, tsvaira PACw yese yakanamatira kumadziro ekombe.
ne spatula, uye sanganisa yese PAC-LV yakanamatira pane spatula kune kumisa.
17.5.1.5 Dzosera chirongo kumuvhenganisi uye ramba uchikurudzira.Kana zvichidikanwa, bvisa kapu yekukurudzira kubva musanganisi mushure
5 min uye gumi maminetsi, korobha ese maPAC-Ws akanamatira kumadziro emukombe.Iyo yakazara yekukurudzira nguva kubva pakutanga kwekuwedzera kwe
PAC-LV inofanira kuva 20 min ± 1 min.
17.5.1.6 Pa25 °C ± 1 °C (777 ± 27), misa kumira kwe16 h ± 0.5 h mumudziyo wakavharwa kana wakavharwa.
Rekodha kupisa tembiricha uye nguva yekurapa ”
17.5.1.7 Kurudzira kumisa pamushonga we5 min ± 0.1 min.
17.7.5.1.8 Dururirai mhinduro mukapu yemuenzaniso ine viscometer yekuverenga yakananga” pa25 °C ± 1 °C (77 Under
mamiriro e ° F ± 2), kumiswa kwakaverengwa pa600 r / min.
17.5.2 Kuverenga - Inooneka viscosity yemhinduro
Verenga iyo inooneka viscosity yemhinduro maererano neformula (44), mu mPas:
VA=R600/2 (44)
R600-viscometer kuverenga pa600 r / min.Rekodha mhedzisiro yekuverenga
Nguva yekutumira: Nov-12-2020