abstract purpose: skeletal staining is a way to study the effect of many chemical or herbal substances on development of bones and cartilages in order to record the level of probable deformity.this article aimed to present a modified protocol to make all skeletal studies on laboratory animals possible. materials and methods: the important notes about skeletal staining were fixing by ethanol and...

Abstract In this work the influence of alkaline activator on immobilization lead and copper in alkali-activated blast furnace slag was investigated. A total five alkali activators were used; sodium waterglass, potassium hydroxide, hydroxide carbonate. The leaching test according to ?SN EN 12457°-4 used evaluate level heavy metals, leached solutions analyzed by ICP-OES. For a better understandin...

In this work, we valorized two wastes of plant origin in activated carbon (AC) by chemical activation, with a view to their use for the elimination industrial dyes and artisanal dyeing simulated methylene blue iodine water. These are coconut shells (Coco nucifera) teak wood chips (Tectona grandis). For preparation based on residues, activation was carried out citric acid extracts lemon juice (C...

A proposed method for estimating the electrical conductivity of cement paste pore solution at 25 °C is based on the concentrations of OR -, K + and Na + .The approach uses an equation that is a function of the solution ionic strength, and requires a single coefficient for each ionic species. To test the method, the conductivity of solutions containing mixtures of potassium hydroxide and sodium ...

We describe an accurate and precise method for determining serum cholesterol by high-performance liquid chromatography (HPLC). After addition of 6-chlorostigmasterol as internal standard, serum is treated with alcoholic potassium hydroxide. Subsequently the cholesterol and internal standard are extracted from the mixture into n-hexane and then derivatized to phenylurethanes for measurement by H...

The authors reviewed the literature evaluating the antibacterial effectiveness of intracanal medicaments used in the management of apical periodontitis. A PICO (problem, intervention, comparison, outcome) strategy was developed to identify studies dealing with calcium hydroxide, phenolic derivatives, iodine-potassium iodide, chlorhexidine, and formocresol. The final inclusion/exclusion criteria...

Alkaline etching of crystalline using KOH (potassium hydroxide), TMAH (tetramethyl ammonium hydroxide), or EDP (ethylenediamene pyrocatecol) is performed for creating various feature definition in MEMS (micro electrical mechanical structures, solar cells, and integrated circuit manufacturing. KOH will be discussed in this section. The alkaline chemistries have the ability to preferentially etch...