ENVIRONMENTAL CHAMBERS FOR THE ACCELERATED AGEING: EFFECT OF MICROCLIMATES ON CULTURAL HERITAGE

被引：1

作者：

Paiva, Renato Inhasz ^{[1
]}

Caetano da Rocha, Jose Roberto ^{[1
]}

Cavicchioli, Andrea ^{[1
]}

Lopes, Fernando Silva ^{[2
]}

Araujo de Faria, Dalva Lucia ^{[2
]}

机构：

[1] Univ Sao Paulo, Escola Artes Ciencias & Humanidades, BR-03828000 Sao Paulo, Brazil

[2] Univ Sao Paulo, Inst Quim, BR-05508000 Sao Paulo, Brazil

来源：

QUIMICA NOVA | 2010年 / 33卷 / 01期

关键词：

accelerated ageing; environmental chambers; cultural heritage; SATURATED SALT-SOLUTIONS; CONSERVATION SITES; ARTISTIC MATERIALS; DEGRADATION; HUMIDITY;

D O I：

10.1590/S0100-40422010000100032

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

ENVIRONMENTAL CHAMBERS FOR THE ACCELERATED AGEING: EFFECT OF MICROCLIMATES ON CULTURAL HERITAGE. Environmental chambers were designed for the accelerated ageing of materials used in artistic artifacts to study the synergistic action of temperature, humidity, UV and visible radiation and gaseous pollutants. Two inox-steel/PTFE compartments are kept under controlled temperature and relative humidity, whose values are transmitted to a PC, which stores, plots in real time and continuously feedback heating and humidifying devices through logical signals. A borosilicate, or quartz, window allows the irradiation inside the chamber from an external source. A flow of purified air purges the chamber and conveys selected pollutants from an external source. Each independent compartment works under either stationary or cyclic conditions.

引用

页码：189 / U216

页数：8

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