News|Articles|July 30, 2024

Lab essentials for tailored sample preparation

Author(s)Sartorius

Sartorius provides an extensive selection of lab essentials tailored for the initial stages of sample handling and preanalytical processes in quality assurance labs, catering to diverse characterization requirements. Our lineup includes accurate lab scales, high-purity water purification systems, superior filtering equipment, and comfortable pipettes and tips


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Figure 2. Split injection used to measure triplicate test of MTBE, hexane, o-xylene, and 1-methylnaphthalene comparing different solvents (methanol, methylene chloride) and column insertion distances starting with 0.5 mm, 5.0 mm, 10.0 mm, 15 mm, and 20.0 mm. Methanol had the best performance at the 5.0 mm insertion distance and methylene chloride looked slightly better at the 0.5 mm. We would still recommend not going below the 5.0 mm manufacturer recommended insertion distance.
Revisiting insertion distance for methanol and methylene chloride in GC analysis and confirming that insertion depth strongly affects response and reproducibility.
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