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此商品 | 109835 | 112429 | 74350 |
---|---|---|---|
grade analytical standard | grade - | grade - | grade analytical standard |
format neat | format - | format - | format neat |
assay ≥97.0% (GC) | assay 98% | assay 97% | assay ≥98.5% (GC) |
shelf life limited shelf life, expiry date on the label | shelf life - | shelf life - | shelf life limited shelf life, expiry date on the label |
refractive index n20/D 1.495-1.501 | refractive index n20/D 1.500 (lit.) | refractive index n20/D 1.496 (lit.) | refractive index n20/D 1.499-1.502, n20/D 1.500 (lit.) |
bp 149 °C (lit.) | bp 128-129 °C (lit.) | bp 149 °C (lit.) | bp 128-129 °C (lit.) |
一般描述
警示用语:
Warning
危险分类
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
储存分类代码
3 - Flammable liquids
WGK
WGK 1
闪点(°F)
102.2 °F - closed cup
闪点(°C)
39 °C - closed cup
法规信息
危险化学品
N P Kulshreshtha et al.
Journal of chromatography. A, 985(1-2), 303-312 (2003-02-13)
A new technique has been developed for the quantitative analysis of pyridines in mainstream cigarette smoke using a GC-MS technique. For analysis, 10 cigarettes are smoked using conditions based on US Federal Trade Commission recommendations. The smoke is collected in
Capillary gas chromatography/mass spectrometric determination of nitrogen aromatic compounds in complex mixtures
Novotny M, et al.
Analytical Chemistry, 52(3), 401-406 (1980)
Isolation of mutagenic aromatic amines from a coal conversion oil by cation exchange chromatography
Haugen DA, et al.
Analytical Chemistry, 54(1), 32-37 (1982)
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