Kev kuaj murexide yog cov txheej txheem tshuaj xyuas los txheeb xyuas qhov muaj caffeine thiab lwm yam purine derivatives hauv cov qauv. Cov tshuaj no tsis teb rau cov kev kuaj pom alkaloid xws li Dragendorff's reagent.
qhov taw qhia murexide yog dab tsi?
Murexide yog metal indicator for Ca, Co, Cu, Ni, Th, and rare earth metals; nws kuj yog ib tug colorimetric reagent rau calcium thiab tsawg ntiaj teb hlau. Murexide yog me ntsis soluble hauv dej, cawv, thiab ether. … Kev kuaj xyuas cov calcium yog pH 11.3, qhov siab tshaj plaws wavelength 506 nm thiab kuaj pom ntau yam 0.2-1.2 ppm.
Qhov ntsuas ntawm murexide yog dab tsi?
Siv. Murexide yog siv nyob rau hauv analytical chemistry raws li ib tug complexometric qhia rau complexometric titrations, feem ntau ntawm calcium ions, tab sis kuj rau Cu, Ni, Co, Th thiab tsawg-lub ntiaj teb hlau. Nws ua haujlwm li tridentate ligand.
Vim li cas murexide yog qhov taw qhia zoo?
Qhov taw qhia siv yog murexide uas yog xim sib txawv thaum freq piv rau nws cov xim thaum nws txuas nrog Ni2ions. Murexide yog qhov ntsuas tsim nyog vim nws khi tsawg zog rau Ni2ions dua li EDTA.
Dab tsi yog qhov hloov xim ntawm murexide qhia?
Murexide (ammonium purpurate) tau pom tias ua haujlwm raws li qhov taw qhia rau kev txiav txim siab complexometric ntawm Th. Ammonium purpurate tsim ib qho daj complex nrog Th uas hloov liab qab thaum ib qho kev poob qis ntawm EDTA ntxiv rau nws.
