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化工產(chǎn)品及用途數(shù)據(jù)庫香料庫顏料庫染料庫化學配方數(shù)據(jù)庫暢銷藥物查詢系統(tǒng) 藥物化學大辭典 FDA藥品批準信息 FDA藥品獨占權信息 FDA藥品專利信息 DMF提交信息庫

化學配方數(shù)據(jù)庫

配方類型：	METALS AND THEIR TREATMENT
配方說明：	Acid Pickling Solutions Chromic nitrate
配方組成：	Sodium nitrate/4 oz/gal Chromic acid/24 oz/gal
配制方法：	Operating Conditions Temp. 60-90F Time 2-20 min. Bath maintained at pH of 0.0 to 1.7. Construction Details Ceramic, stainless or tanks lined with lead, synthetic rubber or vinyl base materials. Comments Removal of mill scale and burnt-on graphitic lubricants. Effective as a preclean for welding. Metal Removal; Mils: 0.5

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