The Cubis® II Ultra-High Resolution Balance from Sartorius is a precise analytical instrument used for weighing extremely small quantities of samples with high precision. In a laboratory setting, its performance may deviate from the specified standards due to varying environmental conditions and influences from samples and users.
Image credit: Sartorius
The higher the resolution, the greater the relative measurement uncertainty. Thus, these devices are highly sensitive to imperfect laboratory conditions. The primary goal of this study was to design a balance that is less susceptible to environmental effects, enabling faster-weighing workflows and improved specifications.
Aim
This study aims to demonstrate the outstanding performance of the Cubis® II High Capacity Micro Balance under real-world laboratory conditions.
Focus
- Determining the Minimum sample weight according to USP41 standards across the entire weighing range
- Eliminating electrostatic effect
- Assessing performance under drafty conditions, such as in a fume hood
- Implementing compensation measures against air-pressure variations
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About Sartorius Lab Instruments GmbH & Co. KG
The Sartorius Group is a leading international partner of life science research and the biopharmaceutical industry.
With innovative laboratory instruments and consumables, the Group’s Lab Products & Services Division concentrates on serving the needs of laboratories performing research and quality control at pharma and biopharma companies and those of academic research institutes.
The Bioprocess Solutions Division with its broad product portfolio focusing on single-use solutions helps customers to manufacture biotech medications and vaccines safely and efficiently. The Group has been annually growing by double digits on average and has been regularly expanding its portfolio by acquisitions of complementary technologies.
In fiscal 2021, the company earned sales revenue of some 3.45 billion euros. At the end of 2021, nearly 14,000 people were employed at the Group’s approximately 60 manufacturing and sales sites, serving customers around the globe.
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