- Home
- Applications
- USA
- sample preparation procedure
Show results for
Refine by
Sample Preparation Procedure Product Applications In USA
2 applications found
Because the QuEChERS method is fast, it only adds a few minutes to the sample preparation procedure. Sample processing using QuEChERS with PSA/C18 allows analysts to accurately process various matrices in a single workflow, with very little additional sample preparation ...
BySigma-Aldrich based in Bellefonte, PENNSYLVANIA (USA)
This method uses a suspension of ground plant material to directly measure the potassium concentration. It eliminates the usual steps of ashing and subsequent dissolution of the resulting ash. The method was compared to alternative methods such as chemical analysis and spectrophotometric methods. Collaborative studies using a range of samples gave a mean of 1.74% potassium by this extraction technique as compared to 1.75% by alternative methods. The standard deviation of an analysis in the two different sample ...
ByBWB Technologies Ltd. based in Newbury, UNITED KINGDOM