63043
镁基体改进剂
别名:
硝酸镁 - 硝酸 溶液, 镁改进剂
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关于此项目
化学文摘社编号:
UNSPSC Code:
12352200
eCl@ss:
32129211
PubChem Substance ID:
NACRES:
NA.21
Beilstein/REAXYS Number:
4948473
MDL number:
mol wt
Mr 256.41 g/mol
Quality Level
concentration
10.0 g/L±0.3 g/L Mg (in ~17% nitric acid)
cation traces
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
SMILES string
[Mg]
InChI
1S/Mg
InChI key
FYYHWMGAXLPEAU-UHFFFAOYSA-N
General description
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。
Application
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。
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 3 - Skin Corr. 1B
supp_hazards
存储类别
5.1B - Oxidizing hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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)
Lauri H. J. Lajunen, P. Peramaki
Spectrochemical Analysis by Atomic Absorption and Emission, 142-144 (2004)
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)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 63043-50ML-F | 04061832713946 |