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About This Item
CAS号:
Beilstein:
4948473
MDL编号:
UNSPSC代码:
12000000
eCl@ss:
32129211
PubChem化学物质编号:
NACRES:
NA.21
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等级
for graphite furnace-AAS
质量水平
分子量
Mr 256.41 g/mol
浓度
10.0 g/L±0.3 g/L Mg (in ~17% nitric acid)
痕量阳离子
Ag: ≤0.001 mg/kg
As: ≤0.01 mg/kg
Cd: ≤0.001 mg/kg
Pb: ≤0.01 mg/kg
Se: ≤0.1 mg/kg
Tl: ≤0.01 mg/kg
InChI
1S/Mg
InChI key
FYYHWMGAXLPEAU-UHFFFAOYSA-N
一般描述
基质改性是一种使用化学试剂减少挥发和气相侵入的方法，化学试剂作为缓冲剂，能够使用较高的预处理和原子化温度。试剂导致干扰成分变得更易挥发或分析物转化为挥发性较低的形式。镁是一级改性剂，在热处理过程中在石墨炉中形成氧化物。镁以硝酸盐形式加入时具有较高的热稳定性。
应用
在平台原子化法中，镁和钯可作为基体改进剂，采用电热原子吸收光谱法测定溶液和土浆中的铅。也可用于石墨炉原子吸收光谱法中脑锰浓度的测定。
警示用语：
Danger
危险分类
Acute Tox. 4 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 3 - Skin Corr. 1B
补充剂危害
储存分类代码
5.1B - Oxidizing hazardous materials
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Lauri H. J. Lajunen, P. Peramaki
Spectrochemical Analysis by Atomic Absorption and Emission, 142-144 (2004)
Effectiveness of palladium plus magnesium as a matrix modifier for the determination of lead in solutions and soil slurries by electrothermal atomisation atomic absorption spectrometry.
Hinds, Michael W., Mohan Katyal, and Kenneth W. Jackson.
Journal of Analytical Atomic Spectrometry, 3, 83-87 (1988)
Magnesium nitrate as a matrix modifier in the stabilized temperature platform furnace
W. Slavin, G. R. Carnrick, and D. C. Manning
Analytical Chemistry, 54, 621-624 (1982)
Dinamene Santos et al.
Biological trace element research, 150(1-3), 337-341 (2012-09-14)
Manganese (Mn) is an essential element and it acts as a cofactor for a number of enzymatic reactions, including those involved in amino acid, lipid, protein, and carbohydrate metabolism. Excessive exposure to Mn can lead to poisoning, characterized by psychiatric
Zhichao Liu et al.
PLoS computational biology, 7(12), e1002310-e1002310 (2011-12-24)
Drug-induced liver injury (DILI) is a significant concern in drug development due to the poor concordance between preclinical and clinical findings of liver toxicity. We hypothesized that the DILI types (hepatotoxic side effects) seen in the clinic can be translated
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