[104-10133-10207.pdf — page 113]
|                    |                |           |                           |                           |                 || ------------------ | -------------- | --------- | ------------------------- | ------------------------- | --------------- ||                    |                |           |                           |                           |                 || **Metals**         | **Atomic Wt.** | **Grams** | **Hydrochloric Acid**     | **Nitric Acid 1/3**       | **Aqua Regia**  ||                    |                |           |                           |                           |                 || Antimony           | 121.76         | Insoluble | Readily Soluble           | Soluble                   | Soluble         ||                    |                |           |                           |                           |                 || Bismuth            | 208.0          | Insoluble | Soluble                   | Soluble                   | Soluble         ||                    |                |           |                           |                           |                 || Cadmium            | 112.4          | 100 mg.   | Readily Soluble           | Readily Soluble           | Readily Soluble ||                    |                |           |                           |                           |                 || Chromium           | 52.01          | Insoluble | Insoluble                 | Soluble after long period | Soluble         ||                    |                |           |                           |                           |                 || Cobalt             | 58.94          | 100 mg.   | Soluble                   | Soluble                   | Soluble         ||                    |                |           |                           |                           |                 || Copper             | 63.57          | 100 mg.   | Soluble when aerated      | Soluble                   | Soluble         ||                    |                |           |                           |                           |                 || Gold               | 197.2          | Insoluble | Insoluble                 | Insoluble                 | Soluble         ||                    |                |           |                           |                           |                 || Iridium            | 193.1          | Insoluble | Insoluble                 | Insoluble                 | Requires fusion ||                    |                |           |                           |                           | with bisulfate  || Iron               | 55.85          | 100 mg.   | Soluble when aerated      | Readily Soluble           | Readily Soluble ||                    |                |           |                           |                           |                 || Lead               | 207.21         | Insoluble | Soluble                   | Soluble                   | Soluble         ||                    |                |           |                           |                           |                 || Magnesium          | 24.32          | Soluble   | Readily Soluble           | Readily Soluble           | Readily Soluble ||                    |                |           |                           |                           |                 || Manganese          | 54.93          | 100 mg.   | Soluble                   | Soluble                   | Soluble         ||                    |                |           |                           |                           |                 || Mercury            | 200.61         | Insoluble | Soluble when heated       | Soluble                   | Soluble         ||                    |                |           |                           |                           |                 || Molybdenum         | 95.95          | Insoluble | Slightly Soluble          | Readily Soluble           | Soluble         ||                    |                |           |                           |                           |                 || Nickel             | 58.69          | 100 mg.   | Soluble when aerated      | Readily Soluble           | Readily Soluble ||                    |                |           |                           |                           |                 || Osmium             | 190.9          | Insoluble | Insoluble                 | Insoluble                 | Requires fusion ||                    |                |           |                           |                           | with bisulfate  || Palladium          | 106.7          | Insoluble | Soluble                   | Readily Soluble           | Soluble         ||                    |                |           |                           |                           |                 || Platinum           | 195.23         | Insoluble | Insoluble                 | Soluble after long period | Soluble         ||                    |                |           |                           |                           |                 || Rhodium            | 102.91         | Insoluble | Insoluble                 | Insoluble                 | Requires fusion ||                    |                |           |                           |                           | with bisulfate  || Ruthenium          | 101.7          | Insoluble | Insoluble                 | Insoluble                 | Requires fusion ||                    |                |           |                           |                           | with bisulfate  || Silver             | 107.88         | Insoluble | Insoluble                 | Soluble                   | Soluble         ||                    |                |           |                           |                           |                 || Tantalum           | 180.88         | Insoluble | Insoluble                 | Insoluble                 | Requires fusion ||                    |                |           |                           |                           | with bisulfate  || Tin                | 118.70         | Insoluble | Readily Soluble           | Soluble                   | Soluble         ||                    |                |           |                           |                           |                 || Titanium           | 47.90          | Insoluble | Soluble after long period | Soluble after long period | Soluble         ||                    |                |           |                           |                           |                 || Tungsten (Wolfram) | 183.92         | Insoluble | Insoluble                 | Insoluble                 | Requires fusion ||                    |                |           |                           |                           | with bisulfate  || Vanadium           | 50.95          | Insoluble | Soluble                   | Readily Soluble           | Soluble         ||                    |                |           |                           |                           |                 || Zinc               | 65.38          | 100 mg.   | Readily Soluble           | Readily Soluble           | Readily Soluble ||                    |                |           |                           |                           |                 |