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洛克化工

產(chǎn)品: 產(chǎn)品公司求購(gòu) 資訊法規(guī)

English

化工基礎(chǔ)數(shù)據(jù)庫(kù) 化合物取代基數(shù)據(jù)庫(kù) 化合物母體數(shù)據(jù)庫(kù) 化學(xué)物質(zhì)分析方法數(shù)據(jù)庫(kù) 中文MSDS庫(kù) 危險(xiǎn)品名錄庫(kù) 免費(fèi)化工期刊數(shù)據(jù)庫(kù) 化工縮略語庫(kù)

化工產(chǎn)品及用途數(shù)據(jù)庫(kù) 香料庫(kù) 顏料庫(kù) 染料庫(kù) 化學(xué)配方數(shù)據(jù)庫(kù) 暢銷藥物查詢系統(tǒng) 藥物化學(xué)大辭典 FDA藥品批準(zhǔn)信息 FDA藥品獨(dú)占權(quán)信息 FDA藥品專利信息 DMF提交信息庫(kù)

化學(xué)配方數(shù)據(jù)庫(kù)

配方類型：	DETERGENTS
配方說明：	Removal of Sand or Other Siliceous Materials from Steel Castings
配方組成：
配制方法：	Ammonium bifluoride solutions containing some additional ammonia will remove siliceous materials from steel parts without materially corroding the steel. hence, steel tanks are suitable for containers for such applications. the castings can be cleaned in a solution of 350 parts of ammonium bifluoride and 75 parts of aqua ammonia 26 Baume in 500 parts of water, at or near the boiling point of the solution, in ventilated steel tanks. The length of treatment may vary from five minutes to one hour, depending upon the depth of scale. It is often advisable to immerse only long enough to soften the scale so that it can be readily brushed from the parts.

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118525-40-9
133986-51-3

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