阿根廷氟化银二胺溶液中的氟和银离子浓度及pH值。

Glenda Rossi, Lidia Ar Valadas, Aldo Squassi
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引用次数: 0

摘要

本研究的目的是测量阿根廷生产的两种38%氟化银二胺(SDF)溶液的氟(F)和银(Ag)离子浓度及其随时间变化的pH值。flusilver®品牌作为第1组(G1) (Densell), FAgamin®(Tedequim)品牌作为第2组(G2),每个组有两个不同的批次。开瓶后0 (t0)和30天(t30)测定:a)可见分光光度法测定氟化物浓度(w/v) b)原子吸收分光光度法测定银含量(w/v) c) ph值。结果:新开瓶后G1 lot1/lot2的数据为:a) 0.96/1, b) 8.3/7.8, c).11.5/11.3;G2 lot1/lot2: a) 11.5/9.9, b) 39/39, c) 7/6,9;30 d后G1 lot1/lot2: a) 0.85/0.81, b) 7.2/8.2, c) 11.3/11.6;G2 lot1 / lot2: a) 9.35/8.43, 38/38, 7.6/7.6 c)。结论与预测值(氟5.0 ~ 5.9%,银24.4 ~ 28.8%)相比,G1组氟离子和银离子的平均浓度较低,G2组较高。G1为碱性,G2为中性。在30 d内,氟和银的含量有降低的趋势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fluoride and silver ion concentrations and pH in silver diamine fluoride solutions from Argentina.

The aim of this study was to measure the fluoride (F) and silver (Ag) ion concentration and the pH, over time, of 2 solutions of 38% silver diamine fluoride (SDF) produced in Argentina. The brand Fluorsilver® was established as Group 1 (G1) (Densell), and the brand FAgamin® (Tedequim) as Group 2 (G2), each with two different lots. The following were determined at time 0 (t0) and 30 days after opening (t30): a) fluoride concentration (w/v) by visible spectrophotometry b) Ag content (w/v) by atomic absorption spectrophotometry c) pH. Results: The data in the freshly opened bottles were for G1 lot1/lot2: a) 0.96/1, b) 8.3/7.8, c).11.5/11.3; G2 lot1/lot2: a) 11.5/9.9, b) 39/39, c) 7/6,9; and after 30 days, G1 lot1/lot2: a) 0.85/0.81, b) 7.2/8.2, c) 11.3/11.6; G2 lot1/lot2: a) 9.35/8.43, b) 38/38, c) 7.6/7.6. Conclusion In relation to the expected values (5.0-5.9% fluoride and 24.4-28.8% silver), the average concentration of fluoride and silver ions was lower for G1, but higher for G2. The pH was alkaline for G1 and neutral for G2. Over the 30 days, the content of fluoride and silver tended to decrease.

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