第七百一十一章 清除红色霉斑 完毕)(1 / 2)
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具有氧化性的传统中药材,有很多种,但常见的是雄黄和朱砂。雄黄加热到一定程度后,在空气中可以被氧化成剧毒的三氧化二砷,也就是砒霜。
当然,这是在古代缺少化学药剂的情况下,如今向南要尝试山寨版的“浴火重生”,就没必要墨守成规,完全可以选择氧化性更强,安全性更好的化学制剂,比如说固态的高锰酸钾、氯酸钾等。
向南想了想,最终还是选择了高锰酸钾粉末,又从柜子里取了几种其它药剂,最后拿了一瓶浓度为75%的酒精,重新回到了长案前。
马老师和小付见到向南又开始操作起来,都忍不住精神一振,坐直了身子——
向南又要开始尝试了,只是这次会成功吗?
向南将那些取来的药剂放在长案一旁,然后取来两条湿毛巾,分别将它们扭成一根棍子模样,然后放在画芯上,将红色霉斑部分包围起来。随后,他又将高锰酸钾粉末和其他几种药剂混合在一起,用棉签蘸取着,一点一点小心翼翼地涂抹在红色斑纹上面。
做完这些之后,他才将酒精小心地倒在毛巾围成的圈子内,也没有倒太多,刚好薄薄的一层,覆满了圈子。
倒完酒精之后,向南就从工具箱里拿出一个打火机,将毛巾圈子里的酒精点着了。
蓝汪汪的火焰,刚好被圈在了毛巾内,安静地燃烧着。
看着画芯上面的酒精烧着了,坐在一旁的马老师显得很是淡定,但小付却一下子瞪大了眼睛:
“向南这是在干什么?这么珍贵的古画,不会被烧毁了吧?”
他刚刚接触古书画修复没多久,还没来得及学习这么“深奥”的霉菌处理法,平时用清水冲洗画芯时都是胆战心惊的,生怕将画芯给泡烂了,哪里见识过用火来烧画的?
要不是看到自己的老师都一脸淡定地坐在一旁一动不动,他早就忍不住叫起来了。
此刻,小付只能死死地将满心的疑惑憋在心里,等到出去以后再向老师询问。
由于在画芯上倒的酒精并不多,没过多久,淡蓝色的火焰就渐渐熄灭了。
向南先将毛巾拿开,然后继续用清水将画芯冲洗干净,此时再去看时,那些红色霉斑已经完全不见了!
原本一直显得很淡定的马老师,此刻却是老脸通红,他两只手紧紧地拽住了椅子的两边扶手,青筋直爆,如果不是向南现在还在修复文物,估计他肯定要跳起来大喊大叫了。
这可是困扰了古书画修复界无数年的“绝症”,红色霉斑啊,就这么轻易地被向南给攻克了?
他刚刚用的是什么方法?难道是失传已久的绝技“浴火重生”?
……
这一瞬间,马老师的脑子里无数纷杂的念头一股脑儿地涌了出来,甚至恨不得立刻将向南给拖到一边,问个仔细。
小付看着老师这副激动难耐的样子,感觉很是莫名其妙:“不就是在画上点了一把火嘛,老师这么激动干什么?”