Academic literature on the topic 'Bratton-Marshall reagent (BM reagent)'

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Journal articles on the topic "Bratton-Marshall reagent (BM reagent)"

1

Carda-Broch, S., M. C. García-Alvarez-Coque, E. F. Simó-Alfonso, and J. S. Esteve-Romero. "Micellar liquid Chromatographic determination of diuretics by diazotization and coupling with the Bratton-Marshall reagent." Analytica Chimica Acta 353, no. 2-3 (1997): 215–26. http://dx.doi.org/10.1016/s0003-2670(97)87780-x.

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2

Dung, Nguyen Trung, Doan Thi Dao, Giap Dang Hoat, and Nguyen Anh Son. "DEVELOPMENT OF SPECTROPHOTOMETRIC METHOD FOR DETERMINATION OF CEFTAZIDIME WITH THE BRATTON–MARSHALL REAGENT IN PHARMACEUTICAL PREPARATION." Vietnam Journal of Science and Technology 55, no. 2 (2017): 220. http://dx.doi.org/10.15625/0866-708x/55/2/8676.

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Phương pháp đơn giản, nhanh, nhạy và chính xác đã được xây dựng để xác định ceftazidim trong các chế phẩm dược bằng phương pháp trắc quang. Cơ sở của phương pháp dựa trên phản ứng tổng hợp chất màu azo qua ba bước: tạo muối diazoni của ceftazidim với hỗn hợp HCl và NaNO2 tại 0-5oC, loại bỏ nitrit dư bằng axit sunphamic và liên hợp muối điazoni với thuốc thử N-(1-naphthyl) etylendiamin ( NEDA). Hợp chất azo tạo thành có màu tím, cực đại hấp thụ tại 575nm và bền trong 5 giờ. Khoảng nồng độ tuân theo định luật Bia là 1,0- 50,0 µg/ml với hệ số tương quan tuyên tính R2 = 0,997. Hệ số hấp thụ mol, đ
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3

R, Vijayalakshmi, Anjani D, Sriramamurthy M, and Dhanaraju M D. "ANALYTICAL METHOD DEVELOPMENT FOR THE ESTIMATION OF DARUNAVIR BY DIAZOTIZATION AND COUPLING BY VISIBLE SPECTROPHOTOMETRY." Asian Journal of Pharmaceutical and Clinical Research 11, no. 11 (2018): 149. http://dx.doi.org/10.22159/ajpcr.2018.v11i11.27830.

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Objectives: This proposed work describes simple and extraction free visible methods for the estimation of darunavir ethanolate (DNV) in bulk and tablet formulations. The methodology involves diazotization of DNV with nitrous acid followed by coupling with chromotropic acid (CA) (Method A)/ Bratton Marshall Reagent (Method B)/α-naphthol (Method C) to form colored products.Methods: All the methods were developed using a PerkinElmer (LAMBDA 25) UV–Visible spectrophotometer interfaced with UV Win lab software and 1 cm quartz cells. Results: Spectrophotometrically, DNV is estimated at 520 nm, 544 n
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4

Escrig-Tena, I. "Micellar modified spectrophotometric determination of nitrobenzenes based upon reduction with tin(II), diazotisation and coupling with the Bratton–Marshall reagent." Talanta 47, no. 1 (1998): 43–52. http://dx.doi.org/10.1016/s0039-9140(98)00030-7.

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5

Panchumarthy, Ravisankar* MD. Shaheem Sulthana P. S. Babu SK. Afzal Basha R. Aswini V. Swathi SK. Mahamuda Sultana M. Sri Lakshmi Prasanna N. Navyasri I. M. Thanuja. "COMPREHENSIVE REVIEW OF IMPORTANT ANALYTICAL REAGENTS USED IN SPECTROPHOTOMETRY." May 31, 2017. https://doi.org/10.5281/zenodo.2526157.

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An innovative and comprehensive range of chromogenic reagents or colorimetric reagents are generally used for the application in the field of spectroscopic quantitative and qualitative analysis. There are number of reagents which are mostly utilized for the estimation of pharmaceutical medicinal agents. Functional groups generally present in medicinal drugs determine the way of analyzing them, because they are responsible for the properties of substances and estimate the identification reactions and the methods of quantitative determination of medicinal agents. Knowing the reactions for detect
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