Yuav Ua Li Cas Pom Mis Silk Fabric

1) combustion identification method

1. Nyob ze ntawm cov nplaim taws: melts thiab curls.

2. Melting nplaim: curling, melting, kub.

3. Tawm ntawm nplaim taws: hlawv, qee zaum nws tus kheej tua.

4. Cov ntxhiab tsw thaum hlawv: cov plaub hau hlawv tsw.

5. Cov yam ntxwv seem: xim dub, qhov yooj yim crunchy, tab sis nrog ib qho me me ntawm cov pob tawv tawv.

2) Dissolution identification method

Thaum cov mis nyuj muaj protein ntau yog rhuab ntawm qhov kub ntawm 100 degree rau 30 feeb hauv 2.5 feem pua ​​NaOH tov, qhov tshwm sim tshwj xeeb ntawm cov mis nyuj protein tuaj yeem tshwm sim.

Lub xeev: Thaum lub sij hawm tag nrho cov txheej txheem ntawm dissolving, lub ntim ntawm fiber ntau nthuav mus rau ib tug zoo li jelly, thiab cov xim yuav maj mam hloov los ntawm lub ntuj xim mus rau tsaus liab, thiab ces lub tsaus liab yuav ploj mus rau lub teeb daj.

Kev soj ntsuam cov txiaj ntsig: Yog tias muaj qhov kub hnyiab ntawm cov plaub hau tsuas yog tom qab cov nplaim hluav taws kub hnyiab tau ploj mus thiab cov txiaj ntsig kev sib cais yog zoo ib yam li jelly-zoo li thiab cov xim tshwj xeeb, cov qauv yog mis nyuj protein fiber.