I have been reading through the Adaptive Payment API documentation from PayPal's developer page here, but I have not seen any indication of when the receiver would receive their funds.
Salt is, of course, the most common substance found in sea water, but it is far from being the only one. In fact, sea water is actually quite rich in mineral solids. The solids dissolved in sea water vary from about 1 per cent where rivers enter the sea to about 4 per cent where the circulation of water is partly restricted, but they average about 3.5 per cent (one hundred pounds of sea water, if boiled away, will leave behind close to 3.5 pounds of solids). Most of this is ordinary salt -- sodium choloride.
Six Most Abundant Elements Dissolved in Ocean Water. Sodium chloride is the prevalent ionic compound found in seawater, accounting for about 85 percent of the dissolved salt. Sodium chloride is better known as common table salt. The salty taste of ocean water is due to the presence of sodium chloride in the water. When measuring the concentration of salt ions in seawater, the ratio of the six abundant ions remains constant. In other words, if you dried up all the water in the ocean, each remaining pile of salt, regardless its location in the world, would contain about 55.03 percent chloride, 30.59 percent sodium.