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质量水平
检测方案
≥99%
形式
powder
mp
733 °C (lit.)
密度
5.67 g/mL at 25 °C (lit.)
SMILES字符串
O=[Te]=O
InChI
1S/O2Te/c1-3-2
InChI key
LAJZODKXOMJMPK-UHFFFAOYSA-N
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一般描述
二氧化碲，也称氧化碲（IV）,是一种白色结晶固体，熔点为 1,130 °C ，沸点为1,850 °C。二氧化碲是多种应用中的重要物质，可用作塑性树脂和药物合成的催化剂以及碲基合金中的成分。二氧化碲通常是在氧存在的情况下通过氯化碲（IV）或硫酸碲（IV）在高温下降解生产。
应用
二氧化碲可用于制备金属碲、碲酸和多种碲盐。它还可用于制备Ag2Te纳米颗粒。
警示用语：
Danger
危险分类
Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Lact. - Repr. 1B - Skin Sens. 1B
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
Tingjun Wu et al.
Frontiers in chemistry, 8, 84-84 (2020-03-21)
A systematic electrochemical study was conducted to investigate the reduction of tellurium (Te) in alkaline solutions. The effect of various parameters, including tellurite ion concentration, applied potential, and pH was investigated by both linear sweep voltammograms (LSVs) and electrochemical quartz
Mao Shen et al.
Nanoscale research letters, 8(1), 253-253 (2013-05-31)
A facile one-step synthesis of CdTe quantum dots (QDs) in aqueous solution by atmospheric microwave reactor has been developed using 3-mercaptopropionic acid reduction of TeO2 directly. The obtained CdTe QDs were characterized by ultraviolet-visible spectroscopy, fluorescent spectroscopy, X-ray powder diffraction
Qiu-Hua Nie et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 61(8), 1939-1943 (2005-05-03)
The new Er3+/Yb3+ co-doped 70TeO2-5Li2O-(25-x)B2O3-xGeO2 (x = 0, 5, 10, 15 fand 20 mol.%) glasses were prepared. The thermal stability, absorption spectra, emission spectra and lifetime of the 4I(13/2) level of Er3+ ions were measured and studied. The FT-IR spectra
Ganxin Chen et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 72(4), 734-737 (2008-12-30)
We report on spectroscopic properties and energy transfer of Tm(3+)/Ho(3+)-codoped tungsten tellurite glasses for 1.47microm amplifier. Fluorescence spectra and the analysis of energy transfer indicate that Ho(3+) is an excellent codopant for 1.47microm emission. Comparing with other tellurite glasses, the
R Balda et al.
Optics express, 17(11), 8781-8788 (2009-05-26)
In this work, we report the near-infrared emission properties of Tm(3+)-Er(3+) codoped tellurite TeO(2)-WO(3)-PbO glasses under 794 nm excitation. A broad emission from 1350 to 1750 nm corresponding to the Tm(3+) and Er(3+) emissions is observed. The full width at
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