配方类型：	METALS
配方说明：	Photographing on Anodized Aluminum
配方组成：	Citric acid/10 Cool to 38C or less and add Distilled water (38-65C, 100-150F)/850 Citric acid/10 Thiourea/5 Aluminum sulfate/22 Sodium chloride/10 2,3-dihydroxynaphthalene/30 Butyl "Cellosolve"/150 p-diazo-diethylaniline 0.5 zinc chloride/30 Sodium chloride/10 Distilled water (38-65C, 100-150F)/850 Boric acid/31 Citric acid/90 Thiourea/46 Aluminum sulfate/9 Thiourea/5 Chloro-aceto-pyrocatechol/10 Butyl "Cellosolve"/150
配制方法：	Note: Light blue may be made by decreasing amount of diazo by 10 g/l. Dark blue may be made by increasing diazo by 10 g/l. Solution should be stored in a cool dark place. Use within 48 hr after adding the light-sensitive (diazo) ingredient. Solutions may be mixed together to make secondary colors. Hundreds of colors are also possible by using the large varieties of diazos and couplers available commerically. Anodizing Process 1. Chemically clean the aluminum panel and rinse in deionized water. 2. Anodize in 18% sulfuric acid at 24-27C for at least 30 min at a current density of 1.3 amp/dm^2 (12 amp/ft^2) making the workpiece the anode. 3. Rinse in deionized water and dry in clean warm air.

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