Merck, 1004432500, Nitric acid 65%

Application

In-vitro evaluation of microleakage of bioceramic root-end filling materials: A spectrophotometric study.: This research employed 65% nitric acid for sample preparation in the spectrophotometric analysis of microleakage in dental materials, providing insights into the effectiveness of different bioceramic materials (Gupta and Kewalramani, 2021).

A comparative evaluation of resin- and varnish-based surface protective agents on glass ionomer cement - a spectrophotometric analysis.: The study used 65% nitric acid for the preparation of glass ionomer cement samples to evaluate the effectiveness of surface protective agents through spectrophotometric methods (Tyagi et al., 2020).

Spectrophotometric analysis evaluating apical microleakage in retrograde filling using GIC, MTA and biodentine: an in-vitro study.: This research utilized 65% nitric acid in the preparation of samples for the evaluation of microleakage in dental restorative materials, highlighting the performance of various materials in preventing leakage (Nepal et al., 2020).

Influence of stacked structure of carbons modified on its surface on n-pentane adsorption.: This study applied 65% nitric acid for surface modification of carbon materials, investigating the effects on adsorption properties, with significant findings on how surface structure influences adsorption efficiency (Carvajal-Bernal et al., 2019).

Analysis Note
Assay (alkalimetric): 64.3 - 66.4 %
Identity: passes test
Appearance of solution: passes test
Chloride (Cl): ≤ 0.0003 %
Iodate, Bromate: passes test
Nitrogen oxides (as N₂O₃): ≤ 0.003 %
Sulfate (SO₄): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.0004 %
NH₄ (Ammonium): ≤ 0.001 %
Residual solvents (ICH Q3C): ...excluded by production process
Evaporation residue: ≤ 0.01
Date of expiry: see product label
Legal Information
EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany