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About This Item
CAS號碼:
Beilstein:
4948473
MDL號碼:
分類程式碼代碼:
12000000
eCl@ss:
32129211
PubChem物質ID:
NACRES:
NA.21
推薦產品
等級
for graphite furnace-AAS
品質等級
分子量
Mr 256.41 g/mol
濃度
10.0 g/L±0.3 g/L Mg (in ~17% nitric acid)
正離子痕跡
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 密鑰
FYYHWMGAXLPEAU-UHFFFAOYSA-N
一般說明
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。
應用
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。
訊號詞
Danger
危險分類
Acute Tox. 4 Inhalation - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 3 - Skin Corr. 1B
安全危害
儲存類別代碼
5.1B - Oxidizing hazardous materials
水污染物質分類（WGK）
WGK 1
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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