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The present research addresses the study and removal an ancient varnish layer covering the case study painting from private properties, after investigation and analysis, as well as treatment of the entire object. The study is divided into three phases. Phase 1, using some non-invasive techniques such as the MA-XRF, MA-FTIR, Xray radiography IR reflectography and UV radiation imaging, in addition to SEM-EDX, to analyse the case study, to identify the case study components and the deterioration phenomena. The results revealed a limewood support, with zincite, cerussite, red ochre, yellow ochre, cobalt blue, bone black and linseed oil in the ground and paint layers. Moreover, it was identified that the object was painted by the famous Egyptian painter Mahmoud Sa'id in the early 20 century. Its surface suffers from a thick layer of ancient varnish. Phase 2, the study conducted in-vitro experiments on a simulated painted model to assess the ideal technique for varnish removal. It was proven that the gel dispersion of PVAL, borax, ethanol, and water was the most efficient formula. Phase 3, Treatment of the object included varnish removal, chemical cleaning, inpainting, and consolidation. صخلملا لوانتی ةمیدق شینرو ةقبط ةلازإو ةسارد ثحبلا اذھ لمع دعب ةساردلا عوضوم ةیتیزلا ةحوللا حطس يطغت لأا جلاع مث ،ةبولطملا لیلاحتلاو صوحفلا عوضوم رث ؛لحارم ثلاث ىلإ ةساردلا تم ِ سُّق دقو .ًلاماك ةساردلا 1 مادختساب ةساردلا عوضوم ةحوللا لیلحتو صحف ( لثم ةفلتم ریغ لیلحت قرط MA-XRF ، MAFTIR تحت ةعشلأاو ، ةینیسلا ةعشلأاب ریوصتلا ، ىلإ ةفاضلإاب ،ةیجسفنبلا قوف ةعشلأاو ،ءارمحلا ةدحوب دوزملا حساملا ينورتكللاا بوكسوركیملا EDX تنّیب دقو .اھفلت رھاظمو ةحوللا تانوكم ىلع فرعتلل ،ریوصت لماحك فاصفصلا بشخ مادختسا جئاتنلا رمحأ ،تیسوریسلا ،تیكنزلا مادختساو رفصأ ،ركولأا ناتكلا رذب تیزو ماظعلا دوسا ،تلابوكلا قرزأ ،ركولأا ةحوللا تبسن امك ،ریوصتلا ةقبطو ریضحتلا ةیضرأ يف علطم يف دیعس دومحم ریھشلا يرصملا نانفلا ىلإ يناعت ةساردلا عوضوم ةحوللا نأو ،نیرشعلا نرقلا ةحوللا حطس يطغی میدق يعانص شینرو نم ًةفیثك ًةقبط ًةصاخ .اھنم يولعلا ءزجلا 2 ىلع ةیلمعملا براجتلا ( ةلازلإ ىلثملا ةقیرطلا مییقتل ةدلقملا ةاكاحملا جذامن تتبثأ دقو ،ةساردلا عوضوم ةحوللا نم میدقلا شینرولا نم نوكملا لجلا نأ ةیلمعملا براجتلا PVAL ، نیب نم ىلثملا ةبیكرتلا وھ ءاملاو لوناثیلاا ،سكاروبلا .هرابتخا مت ام 3 عوضوم ةیتیزلا ةحوللا جلاع ( فیظنتلا ،شینرولا ةلازإ كلذ ً انمضتم ،ةساردلا .ةیوقتلا مث ةدوقفملا قطانملا نیولت ،يئایمیكلا

CONSERVATION OF A HISTORIC PANEL OIL-PAINTING COATED WITH AN ANCIENT VARNISH LAYER