1. Bayyanar:
Duba gani a ƙarƙashin haske tarwatsewar halitta.
2. Dankowa:
Auna bucken busassun mai girma 400 ml, auna 294 g na ruwa a ciki, kunna mahaɗin, sannan ƙara 6.0 g na ether cellulose mai aunawa; motsawa akai-akai har sai an narkar da shi gaba daya, kuma yin bayani na 2%; Bayan 3-4 h a zazzabi na gwaji (20 ± 2) ℃; yi amfani da NDJ-1 rotary viscometer don gwadawa, kuma zaɓi lambar da ta dace da na'ura mai juyi da saurin rotor yayin gwajin. Kunna rotor kuma saka shi a cikin maganin kuma bari ya tsaya na minti 3-5; kunna mai kunnawa kuma jira ƙimar ta daidaita, kuma rikodin sakamakon. Lura: (MC 40,000, 60,000, 75,000) Zaɓi rotor No. 4 tare da saurin juyin juyi 6.
3. Narkar da yanayi a cikin ruwa:
Kula da tsari da saurin rushewa yayin aiwatar da daidaita shi cikin bayani na 2%.
4. Abun ash:
Ɗauki ƙwanƙolin daɗaɗɗen, a ƙone shi a cikin tanderun tafasar doki, a kwantar da shi a cikin injin bushewa, sannan a auna shi har sai nauyin ya tsaya. Sai a auna gram (5 ~ 10) na samfurin daidai a cikin kututture, a fara gasa kumfa a wutan lantarki, sannan bayan ya kai ga cikar carbonization, sai a saka shi a cikin tanderun tafasar doki na kimanin (3~4) sa'a, sannan a sa shi. a cikin injin bushewa don kwantar da shi. Yi nauyi har sai nauyi akai-akai. Lissafin Ash (X):
X = (m2-m1) / m0×100
A cikin dabarar: m1 --yawan crucible, g;
m2 - - Jimlar yawan crucible da toka bayan ƙonewa, g;
m0 --yawancin samfurin, g;
5. Abun ciki na ruwa (asara akan bushewa):
Auna samfurin 5.0g akan tire na mai binciken danshi mai sauri kuma daidaita shi zuwa alamar sifili daidai. Ƙara yawan zafin jiki kuma daidaita zafin jiki zuwa (105± 3) ℃. Lokacin da ma'aunin nuni bai motsa ba, rubuta ƙimar m1 (daidaicin awo shine 5mg).
Abubuwan da ke cikin ruwa (asara akan bushewa X (%) lissafin:
X = (m1 / 5.0) × 100
Lokacin aikawa: Nov-02-2021