所有图片(2)
About This Item
线性分子式:
Na2HAsO4 · 7H2O
CAS号:
分子量:
312.01
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.21
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化驗
≥98.0%
形狀
powder
反應適用性
reagent type: catalyst
core: arsenic
pH值
8.5-9.0 (25 °C, 50 g/L)
SMILES 字串
O.O.O.O.O.O.O.[Na+].[Na+].O[As]([O-])([O-])=O
InChI
1S/AsH3O4.2Na.7H2O/c2-1(3,4)5;;;;;;;;;/h(H3,2,3,4,5);;;7*1H2/q;2*+1;;;;;;;/p-2
InChI 密鑰
KOLXPEJIBITWIQ-UHFFFAOYSA-L
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一般說明
砷酸氢二钠七水合物（As(V)）是一种砷化物。
應用
砷酸氢二钠七水合物可作为离子色谱-电感耦合等离子体/质谱法定量检测大米和海鲜样品中砷化物的参考标准品。分析的样品通过超声辅助酶提取（UAEE）制备。
訊號詞
Danger
危險分類
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A
儲存類別代碼
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
Validation of a method for arsenic speciation in food by ion chromatography-inductively coupled plasma/mass spectrometry after ultrasonic-assisted enzymatic extraction.
Dufailly V, et al.
Journal of AOAC (Association of Official Analytical Chemists) International, 94(3), 947-958 (2011)
Martin P Pothier et al.
Frontiers in microbiology, 9, 2310-2310 (2018-10-20)
Despite its high toxicity and widespread occurrence in many parts of the world, arsenic (As) concentrations in decentralized water supplies such as domestic wells remain often unquantified. One limitation to effective monitoring is the high cost and lack of portability
Shugo Suzuki et al.
Toxicology, 299(2-3), 155-159 (2012-06-06)
Inorganic arsenic is a known human carcinogen, inducing tumors of the skin, urinary bladder and lung. It is metabolized to organic methylated arsenicals. 2,3-Dimercaptopropane-1-sulfonic acid (DMPS), a chelating agent, is capable of reducing pentavalent arsenicals to the trivalent state and
William Brattin et al.
Journal of toxicology and environmental health. Part A, 76(7), 458-478 (2013-04-25)
This report summarizes the results of a study to develop an in vitro bioaccessibility (IVBA) extraction technique for estimating the relative bioavailability (RBA) of arsenic (As) in soil. The study was implemented in several steps. In step 1, key variables
Tatyana S Pinyayev et al.
Chemical research in toxicology, 24(4), 475-477 (2011-03-11)
The conventional scheme for arsenic methylation accounts for methylated oxyarsenical production but not for thioarsenical formation. Here, we report that in vitro anaerobic microbiota of mouse cecum converts arsenate into oxy- and thio- arsenicals. Besides methylarsonic acid (MMA(V)), arsenate was
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