推荐产品
描述
gray
品質等級
化驗
≥99.5% trace metals basis
形狀
powder
反應適用性
reagent type: catalyst
core: selenium
電阻係數
1.2 μΩ-cm, 0°C
粒徑
−100 mesh
bp
684.9 °C (lit.)
mp
217 °C (lit.)
密度
4.81 g/mL at 25 °C (lit.)
SMILES 字串
[Se]
InChI
1S/Se
InChI 密鑰
BUGBHKTXTAQXES-UHFFFAOYSA-N
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一般說明
硒粉是一种细小的粉末状物质，由硒元素的小颗粒组成，通常通过氧化硒的还原来生产。硒粉是灰色或银白色的，可能有淡红色的金属光泽。该产品以100目筛网处理，这表明颗粒较小，直径约为150微米或更小，这确保粉末细小且易于处理。
應用
硒用于 CdSe 的合成，从而通过改变半导体纳米结构的大小和形状来调节量子点太阳能电池的光响应。
訊號詞
Danger
危險分類
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 4 - STOT RE 2
儲存類別代碼
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
水污染物質分類（WGK）
WGK 2
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
其他客户在看
István Robel et al.
Journal of the American Chemical Society, 128(7), 2385-2393 (2006-02-16)
By using bifunctional surface modifiers (SH-R-COOH), CdSe quantum dots (QDs) have been assembled onto mesoscopic TiO(2) films. Upon visible light excitation, CdSe QDs inject electrons into TiO(2) nanocrystallites. Femtosecond transient absorption as well as emission quenching experiments confirm the injection
Daniel D Karp et al.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 31(33), 4179-4187 (2013-09-05)
Selenium has been reported to have chemopreventive benefits in lung cancer. We conducted a double-blind, placebo-controlled trial to evaluate the incidence of second primary tumors (SPTs) in patients with resected non-small-cell lung cancer (NSCLC) receiving selenium supplementation. Patients with completely
Waleed Alhazzani et al.
Critical care medicine, 41(6), 1555-1564 (2013-04-17)
Patients with sepsis syndrome commonly have low serum selenium levels. Several randomized controlled trials have examined the efficacy of selenium supplementation on mortality in patients with sepsis. To determine the efficacy and safety of high-dose selenium supplementation compared to placebo
Claire M Weekley et al.
Nutrients, 5(5), 1734-1756 (2013-05-24)
Determining the speciation of selenium in vivo is crucial to understanding the biological activity of this essential element, which is a popular dietary supplement due to its anti-cancer properties. Hyphenated techniques that combine separation and detection methods are traditionally and
Kai-Oliver Feldmann et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(27), 9697-9712 (2015-05-12)
Although a fairly large number of binary group 15/16 element cations have been reported, no example involving phosphorus in combination with a group 16 element has been synthesized and characterized to date. In this contribution is reported the synthesis and structural characterization
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