Odkwaszanie papieru alkoholową dyspersją nanocząsteczek wodorotlenku magnezu: ocena możliwości neutralizacji kwasów

• Autorzy: Wójciak A.

Identyfikatory

DOI

10.15199/54.2015.11.2

Warianty tytułu

EN

Paper deacidification by dispersion of magnesium hydroxide nanoparticles in aicohol: evaluation of acid neutralization capacity

• Języki publikacji: PL

Abstrakty

PL

Zbadano możliwość odkwaszania metodą kąpieli w zawiesinie nanocząsteczek wodorotlenku magnezu w2-propanolu, papierów modelowych (bibuła Whatmana) sztucznie zakwaszonych roztworem H2S04. Obserwacje próbek po odkwaszaniu, za pomocą mikroskopii skaningowej z detektorem EDX oraz analizy spektroskopowe metodą XPS, wskazują na obecność na powierzchni papieru związków siarki i magnezu, w tym połączeń charakterystycznych dla siarczanu magnezu. Obserwacje mikroskopowe wskazują równocześnie, że depozyty związków magnezu gromadzą się głównie na powierzchni papieru, a proces odkwaszania ma w znacznym stopniu charakter powierzchniowy.

EN

The deacidification capacity offered by washing with the suspension of magnesium hydroxide nanoparticles in 2-propanol, of model papers (Whatman paper) artificially acidified with a solution of H2S04, was evaluated. Observations of the samples after deacidification using scanning electron microscopy with EDX detector, and spectroscopic analyses based on XPS method showed the presence of sulfur and magnesium compounds, including the chemical linkages characteristic for magnesium sulfate, on the paper surface. Microscopic observations also indicated that deposits of magnesium compounds accumulated mainly on the surface of the paper, and the process of deacidification was to a large extent superficial.

Słowa kluczowe

PL

odkwaszanie papieru; konserwacja papieru; nanocząsteczki wodorotlenku magnezu; mikroskopia skaningowa; spektroskopia XPS

EN

paper deacidification; magnesium hydroxide nanoparticles; scanning microscopy; XPS spectroscopy

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Papierniczy
• Rocznik: 2015
• Tom: R. 71, nr 11
• Strony: 645--650
• Opis fizyczny: Bibliogr. 22 poz.

Twórcy

autor

Wójciak A.

• Uniwersytet Przyrodniczy w Poznaniu, Instytut Chemicznej Technologii Drewna, ul. Wojska Polskiego 38/42, 60-637

Bibliografia

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