Au cours de notre expérience, nous avons rédigé des notes et des conseils techniques qui, nous l’espérons, vous seront utiles pour vos analyses chromatographiques.
hplc Split/double peaks in HPLC »
(0.17 Mo) The causes usually lie in the fact that the pH of the mobile phase is too close to the pKa of a functional group of the...
hplc Erratic pressures in the HPLC system »
(0.16 Mo) More than once we have been told by HPLC users, that there is an erratic pressure on their system, usually thinking that this symptom comes from the column...
hplc Filtration in HPLC »
(0.17 Mo) One of the crucial points for the longevity of columns and HPLC systems is the filtration of whatever we insert into an HPLC system, whether samples or eluents...
hplc HPLC buffer precipitation »
(0.16 Mo) One of the recurring problems that most questions we receive is about high pressures in an HPLC column. After asking some questions and detecting some obvious symptoms...
hplc Pressure drop in the HPLC system »
(0.17 Mo) Virtually any HPLC user knows the reasons for a pressure increase in the HPLC system, but what can be done if a pressure drop occurs?...
hplc Reduction of solvent consumption in HPLC »
(0.17 Mo) With the past shortage of Acetonitrile, the consequent increase in its price has had a significant impact on the cost of each HPLC analysis and...
gc How to degas your eluents »
(0.24 Mo) The degassing of eluents in HPLC is an important step to ensure a high sensitivity and detection limit in your HPLC method. The existence of excess oxygen dissolved in the eluent promotes the formation of small bubbles that...
gc tips Ferrule Choice »
(0.27 Mo) There are frequent doubts concerning the different materials used to manufacture ferrules for the GC columns. Despite having the same dimensions and the same way of installing...
gc tips Conditionning of GC capillary columns »
(0.16 Mo) One of the most recurring questions concerns the proper conditioning of the GC columns, so following you will find our recommendations for proper conditioning...
gc Separation of late peaks in GC »
(0.17 Mo) One of the most frequently asked questions in GC is how to improve the separation of late peaks in GC. Most of the time...
