Nitric acid (H NO3), also known as aqua fortis and spirit of niter, is a highly corrosive mineral acid. The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water.Most commercially available nitric acid has a concentration of 68%.ed fuming nitric acid, or RFNA, contains substantial quantities of dissolved nitrogen dioxide (NO 2) leaving the solution with a reddish-brown color. Due to the dissolved nitrogen dioxide, the density of red fuming nitric acid is lower at 1.490 g/mL.
Thus, a standard tuna sandwich on white contains 476 calories, while a whole-wheat tuna sandwich has 490 calories. To lower the calories, you could mix the tuna with low-fat, plain Greek yogurt.f your pantry includes tuna, you're hardly alone. According to the National Fisheries Institute, consumers in the United States enjoy more than a million pounds of tuna annually.
Ingredient specific calorie information from our recipes: 1  Calories In Subway Tuna Salad on Flatbread. 2  482 calories, 29g fat, 33g carbs, 22g protein, 5g fiber.