产品介绍：
产品说明
一般描述
Secondary calibration standard for absorbance accuracy of Spectrophotometers in the visible range. Certified.
Neutral density glass filters (nominal absorbance: 1.0 at 440; 465; 546,1; 590; 635 nm)
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.
法律信息
Hellma is a registered trademark of Hellma GmbH
基本信息
| NACRES | SB.32 |
产品性质
| 质量水平 | 100 |
| 等级 | certified reference material |
| manufacturer/tradename | Hellma 666-F4 |
| application(s) | food and beverages petroleum pharmaceutical plastics |
| 格式 | neat |
