A TESTING METHOD FOR THE PURITY OF SLAB

A method for estimating a cleanliness of the cast slab comprises (a) grinding and cleaning a specimentaken from the cast slab, (b) electrolyzing the specimen for 20-30 minutes in an electrolytic soluton consisting of tetramethy ammonium chloride under the condition of 3-4 pH, 750-1300mA electric cur...

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Bibliographische Detailangaben
Hauptverfasser:	CHONG YON-DAE, AN BYUNG-KWAN, PARK HAK-RYOL, KIM DONG-SIK
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A method for estimating a cleanliness of the cast slab comprises (a) grinding and cleaning a specimentaken from the cast slab, (b) electrolyzing the specimen for 20-30 minutes in an electrolytic soluton consisting of tetramethy ammonium chloride under the condition of 3-4 pH, 750-1300mA electric current, and (c) observing the specimen with the stereomicroscope and monitor.