Tom ntej: Sodium iodide CAS 7681-82-5

CAS:7681-82-5

Molecular Formula:NaI

Molecular Luj:149.89 ib

EINECS:231-679-3 ib

Synonyms:SODIUM IODIDE; UV-VIS Standard 3; UV-VIS STANDARD 3: SODIUM IODIDE; Anayodin; Hydriodic acid sodium ntsev; iodureesodium; Ioduril; Jodid sodny; jodidsodny; natriiodidum; Natriumjodid; Sodium iodide (NaI); Sodium iodine; Sodium monoiodide; sodium iodide (ntau)

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Sodium iodide CAS 7681-82-5 yog dab tsi?

Sodium iodide yog cov khoom dawb tsim los ntawm kev ua haujlwm ntawm sodium carbonate lossis sodium hydroxide nrog hydroiodic acid thiab evaporating cov tshuaj. Nws muaj anhydrous, dihydrate, thiab pentahydrate. Nws yog siv los ua raw khoom rau iodine ntau lawm, hauv tshuaj thiab yees duab. Cov kua qaub ntawm sodium iodide nthuav tawm qhov txo qis vim yog lub cim ntawm hydroiodic acid.

Specification

Yam khoom	Specification
Boiling point	1300 ° C
Qhov ntom	3.66 ib
Melting point	661 ° C (lit.)
pKa	0.067 [ntawm 20 ℃]
PH	6-9 (50g / l, H2O, 20 ℃)
Cia tej yam kev mob	Khaws ntawm +5 ° C rau + 30 ° C.

Daim ntawv thov

Sodium iodide yog hmoov dawb nrog cov tshuaj formula NaI. Nws muaj ntau yam kev siv thiab tuaj yeem ua khub zoo nrog lub photocathode ntawm photomultiplier hlab siv cov khoom kho qhov muag zoo ntawm sodium iodide los npaj cov khoom siv kho qhov muag nrog kev ua haujlwm siab luminous. Nrog rau cov khoom thiab tus nqi qis ntawm sodium iodide, nws yog dav siv hauv thaj chaw xws li kev tshawb nrhiav roj av, kev tshuaj xyuas kev nyab xeeb, thiab kev saib xyuas ib puag ncig.