推荐产品
制造商/商品名称
Hellma 667.200-UV
正在寻找类似产品? 访问 产品对比指南
一般描述
Certified liquid Hellma® calibration standard to enable the checking of spectrophotometers with respect to resolution of the spectral bandwidth.
Consisting of :
Toluene in n-Hexane (667-UV6, scan 265 - 270 nm)
n-Hexane reference filter (667-UV9, scan 265 - 270 nm)
To check the resolution power of a spectrophotometer, the ratio of the peak maximum at λmax (269 nm) to the absorbance of the minimum at λmin (266 nm) is calculated. This gives a measure of the spectral bandwidth of the instrument.
Determination of the resolution is carried out against the 667-UV9 hexane blank reference filter, which is supplied with every filter set. Measurement is the same for all bandwidths. The wavelength range between 265 nm and 270 nm is scanned and the peak maxima and minima are determined. Then the peak/trough ratio is calculated and compared to the reference values.
Consisting of :
Toluene in n-Hexane (667-UV6, scan 265 - 270 nm)
n-Hexane reference filter (667-UV9, scan 265 - 270 nm)
To check the resolution power of a spectrophotometer, the ratio of the peak maximum at λmax (269 nm) to the absorbance of the minimum at λmin (266 nm) is calculated. This gives a measure of the spectral bandwidth of the instrument.
Determination of the resolution is carried out against the 667-UV9 hexane blank reference filter, which is supplied with every filter set. Measurement is the same for all bandwidths. The wavelength range between 265 nm and 270 nm is scanned and the peak maxima and minima are determined. Then the peak/trough ratio is calculated and compared to the reference values.
法律信息
Hellma is a registered trademark of Hellma GmbH
警示用语：
Danger
危险分类
Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3
靶器官
Central nervous system, Nervous system
储存分类代码
3 - Flammable liquids
闪点(°F)
-14.8 °F - closed cup
闪点(°C)
-26.0 °C - closed cup
法规信息
新产品
我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
联系技术服务部门