請解答方法and該物料所含有的chemical.....
eg..orange juice, coke, lemon juice, hawthorn, toothpaste, shampoo, etc.........
and, would you please provide the English name of those chemical!
thank you very much!!! =]]
2006-11-28 06:32:52 · 3 個解答 · 發問者 Yi 1 in 科學 ➔ 化學
一般會生鏽的金屬有鐵,銅,鋁等.其中以鐵最易生鏽,要防止
生鏽面積擴大,在發現鏽蝕初期,以水沙紙磨去鏽漬,塗以防
鏽底油,再油上磁漆或手掃漆.
銅鏽可用省銅膏或省銅除去銅鏽,噴以防鏽潤滑劑,這等工
作要在鏽漬初起時去做,如鏽變了銅綠,就難於補救.
鋁鏽初起時難以發現,可在五金舖買鋁質防鏽清潔劑,定期
加清潔,可保護鋁的表面,防止生鏽.
2006-11-28 11:52:14 補充:
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2006-11-28 06:39:07 · answer #1 · answered by neeewong 6 · 0⤊ 0⤋
我猜想你是要除去衣物上的鏽漬。
鏽其實是水合氧化鐵(III),是鹼性(basic)的固體,所以一般酸性溶液(如醋)都對鏽漬有一定程度的清潔作用。
經驗所得,效果最好的是草酸(oxalic acid),是無色固體,可在某些藥房或化工原料舖買到。草酸的學名是二乙酸(ethanedioic acid),但這名稱在市面上是不通用的。
2006-12-02 06:23:30 · answer #2 · answered by Uncle Michael 7 · 0⤊ 0⤋
用可樂.^_^
2006-11-28 17:14:19 · answer #3 · answered by matthewpangbb 1 · 0⤊ 0⤋