Corrosion in low pressure boilers can be caused by dissolved oxygen, acidity and excessive alkalinity. The percentage of ammonia increases with increasing alkalinity of dissolved ammonium in water. Soil pH is a measure of the acidity or basicity (alkalinity) of a soil. Variations in water salinity, alkalinity, and mineral and nutritional content influence their flavor profile. The high alkalinity and salinity arise through evaporation of the lake water. Urinalysis can reveal acidity (salicylate poisoning) or alkalinity (renal tubular acidosis type I). It is used in chemical analysis as an indicator for acidity and alkalinity. This is a crucial factor in acidity and alkalinity and much environmental and geochemical work. The lake has relatively high levels of dissolved salts, total alkalinity, and conductivity. Each of these lakes left different amounts of salinity and alkalinity. The correct alkalinity is protected by adding phosphates. The dissolution (or precipitation) of carbonate rock has a strong influence on the alkalinity. The buffer counteracts the alkalinity of soap. Foliar sprays are used on fruit crop trees in soils of high alkalinity. However, it is important to realize that basicity is not the same as alkalinity.