The sample holder was then placed in the equipment under helium flow for purging ... The low contents of nitrogen compounds suggest that the extraction, with hexane mainly, was selective enough to ...

The extraction was carried ... volume of 1.0 µL diluted in hexane in a 1:10 proportion. The EO components were identified by comparison of the obtained mass spectra with the ones of the Wiley 275 ...

One to twenty-four samples can be processed in a single run to isolate free-circulating DNA from fetal-originated DNA in ...

Space How much space you have to store things will matter when you're considering what home exercise equipment to buy. A yoga mat is going to take up less space than an elliptical in your living ...

Banks, online lenders and specialized equipment financing companies offer loans to help you purchase costly equipment and machinery for your business. Many, or all, of the products featured on ...

A good hook can draw listeners in, but bad sound quality can drive them away. From mics to headphones, here’s the best podcast gear we’ve tested for recording professional-quality audio. I've ...

Commissions do not affect our editors' opinions or evaluations. The cost of tooth extraction varies depending on the type of extraction, the number of teeth pulled and other factors that influence ...

But what is “high-end fitness equipment” anyway? Essentially, we’re talking about luxury, all-in-one workout stations that can fit in most houses or apartments. This could take the form of a ...

In general, liquid-liquid extraction is applied where alternative ... includes a complete range of liquid-liquid-extraction equipment, enabling us to provide you with the most appropriate solution ...

Formic acid was purchased from Sigma Aldrich. Fisher Scientific supplied the ammonium hydroxide. Solid phase extraction was performed using a PromoChrom SPE-03 machine equipped with a MOD-004 sample ...