DIN EN ISO 28706-3:2011
釉瓷和搪瓷.耐化學腐蝕性的測定.第3部分:通過使用六角形容器的堿性液體測定耐化學腐蝕性(ISO 28706-3-2008).德文版本EN ISO 28706-3-2011
Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 3: Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel (ISO 28706-3:2008); German version EN ISO 28706-3:2011