scholarly journals Separation of Branched and Isoprenoid Glycerol Dialkyl Glycerol Tetraether (GDGT) Isomers in Peat Soils and Marine Sediments Using Reverse Phase Chromatography

2020 ◽  
Vol 7 ◽  
Author(s):  
Jayne E. Rattray ◽  
Rienk H. Smittenberg
Keyword(s):  
Marine Sediments ◽  
Peat Soils ◽  
Reverse Phase ◽  
Reverse Phase Chromatography

Effect of Acylation of Anthocyanins with Acetic Acid on the Retention of Glycosides in Reverse Phase Chromatography

2021 ◽  
Vol 95 (4) ◽  
pp. 799-805
Author(s):  
V. I. Deineka ◽  
Ya. Yu. Kul’chenko ◽  
L. A. Deineka ◽  
I. P. Blinova
Keyword(s):  
Acetic Acid ◽  
Reverse Phase ◽  
Reverse Phase Chromatography

Liquid Chromatographic Determination of Methiocarb in Technical and Formulated Products: Collaborative Study

1984 ◽  
Vol 67 (3) ◽  
pp. 492-493
Author(s):  
Stephen C Slahck ◽  
◽  
A A Carlstrom ◽  
L T Chenery ◽  
N D Ellis ◽  
...  
Keyword(s):  
Coefficient Of Variation ◽  
Collaborative Study ◽  
Internal Standard ◽  
Chromatographic Determination ◽  
Reverse Phase ◽  
Reverse Phase Chromatography ◽  
Wettable Powder ◽  
Liquid Chromatographic Determination ◽  
Liquid Chromatographic

Abstract An LC method for the determination of methiocarb in methiocarb technical and formulated products has been subjected to a collaborative study with 9 participating collaborators. Formulations are extracted with acetonitrile and analyzed by reverse phase chromatography, with acetophenone as an internal standard. Collaborators were furnished samples of technical, 75% wettable powder, 75% seed treater, 75% concentrate, and 50% hopper box treater. Coefficient of variation values obtained on the 5 samples were 0.71, 0.83, 0.62, 1.57, and 0.82%, respectively. The method has been adopted official first action.

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