In this video I discuss deNOxing of gold bearing aqua regia solutions. Why it may be necessary, and various to do it. I'm trying to clear up some confusion and misconceptions about the subject I am seeing in my emails and the comments of some of my videos. Please visit [ Ссылка ] for more information.
Equipment used in these videos:
Refining Precious Metal Wastes by C. M Hoke [ Ссылка ]
Stainless Steel Mesh Strainer [ Ссылка ]
3 Pack pH.1- 14 Test Paper [ Ссылка ]
10PK Glass Stirring Rods [ Ссылка ]
3pcs Glass Graduated Beaker Set 500ml, 1000ml, 2000ml [ Ссылка ]
12PK Watch Glasses, 6" (15cm) - Cover Lids for Beakers & Flasks [ Ссылка ]
Filtering Flask, 1000ml - Borosilicate Glass - Conical Shape, with Integral Side Arm [ Ссылка ]
United Scientific Supplies JBF1150 Buchner Funnel, 1150 ml, Diameter 150 mm [ Ссылка ]
Aroma Housewares AHP-303 Single Burner Hot Plate, Black [ Ссылка ]
300PCS 3ML Plastic Transfer Pipettes [ Ссылка ]
AMMEX Clear Vinyl Medical Gloves [ Ссылка ]
Premium Filter Paper, 15cm, Pack of 100 [ Ссылка ]
Chemicals used in these videos
Easy Peasy Urea Fertilizer [ Ссылка ]:
Custom Building Products Sulfamic Acid [ Ссылка ]
Bonide 1-Pound Granules Stump-Out, 4 Pack [ Ссылка ]
Sulfuric Acid Drain Opener, 32 fl oz (2) [ Ссылка ]
High Purity Hydrochloric Acid - 1 Quart [ Ссылка ]
Zinc Dust - 1 lb [ Ссылка ]
Zinc Metal Strip [ Ссылка ]
