LUMINESCENT METHOD FOR THE DETERMINATION OF SAMARIUM WITH GUANIDINE METHACRYLATE Russian patent published in 2023 - IPC G01N21/63 

Abstract RU 2799664 C1

FIELD: analytical chemistry.

SUBSTANCE: methods for the luminescent determination of samarium Samarium is converted into a luminescent complex compound with an organic reagent (R) - guanidine methacrylate. The ratio Sm:R=1:1 at pH=6.2±0.1. The proposed method is characterized by high selectivity, accuracy and reproducibility. The maximum luminescence of the Sm complex with MAG is observed in the wavelength range of 500–700 nm with a maximum at λ=642 nm.

EFFECT: reduced detection limit, increased stability, sensitivity and selectivity of the luminescent method for the determination of samarium, where the lower detection limit of Sm with guanidine methacrylate is 5.8×10–9 g/ml Sm.

1 cl, 2 dwg

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RU 2 799 664 C1

Authors

Elcheparova Svetlana Anatolevna

Khashirova Svetlana Yurevna

Isupova Zalina Yurevna

Veresnikova Anna Vasilevna

Novikova Galina Yakovlevna

Dates

2023-07-10Published

2023-03-10Filed