Gold Jewellery color change by using Sulfuric acid

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sulfuric acid is very important acid in jewellery filed which use to different way.
cleaning gold
change color
recovery gold
remove dust by use sulfuric acid
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As Salaam mu Alaikum wa Rahmatuilahi Barakatu. BarrakAllahu Fik brother. Jummuah Mubarak

champbrady
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Hi bro
I'm looking for fin pot to boling sulfuric acid could you help me to find it please 🙏

mohammadalimahmoodi
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I make sulfiric acid to my jewelry . The color is change .but the surface it became not bright . Why ? And i must to polish again .and when polish the color is desappear

sofianeazerty
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Hi brother, i use laser machine to cut gold 18k strip 1mm thickness, i want to remove the black oxidation that appears after Laser cutting but without change the gold 18k color

abdulrhmanalesayi
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Brother i had ha question how to remove sulphuric acid from the nose pins or tops after getting dry it come out in black colour

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