您的位置：首页 > 产品中心 > Hellma® liquid calibration standards
Hellma® liquid calibration standards
基本信息
| NACRES | SB.32 |
| General description【一般描述】 | Certified liquid Hellma® calibration standard to enable the checking of spectrophotometers with respect to wavelength accuracy. Consisting of : Holmium oxide in perchloric acid (667-UV5, wavelength 241; 287; 361; 536; 640 nm) Holmium oxide dissolved in perchloric acid is highly suitable for checking the wavelength accuracy of spectrophotometers both in the UV and the visible range. It shows a spectrum with a multitude of highly defined peaks. The heights and positions of these peaks are dependent on and will vary with the chosen slit width of the measuring instrument. |
| Other Notes【其他说明】 | The most current version of Hellma's handling guidelines for calibration standards can be accessed on the Hellma Analytics web site. |
| Legal Information【法律信息】 | Hellma is a registered trademark of Hellma GmbH |
产品性质
| Quality Level【质量水平】 | 100 |
| grade【等级】 | certified reference material |
| manufacturer/tradename | Hellma 667-UV5 |
| application(s) | food and beverages petroleum pharmaceutical plastics |
| format【格式】 | neat |
安全信息
| Pictograms【象形图】 | GHS07 |
| Signal word【警示用语：】 | Warning |
| Hazard Statements | H315 - H319 |
| Precautionary Statements | P280 - P305 + P351 + P338 - P337 + P313 |
| Hazard Classifications【危险分类】 | Eye Irrit. 2 - Skin Irrit. 2 |
| Storage Class Code【储存分类代码】 | 12 - Non Combustible Liquids |
| WGK | WGK 2 |
