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Nickel is one of the metals that can form Tutton's salts. The singly charged ion can be any of the full range of potassium, rubidium, cesium, ammonium (), or thallium. [1] As a mineral the ammonium nickel salt, (NH 4) 2 Ni(SO 4) 2 · 6 H 2 O, can be called nickelboussingaultite. [2]
It is the chloride salt of the metal ammine complex [Ni(NH 3) 6] 2+. The cation features six ammonia (called ammines in coordination chemistry) ligands attached to the nickel (II) ion. [ 1 ]
Ammonium ions also have a toxic effect, especially on fish. The toxicity of ammonia is dependent on both pH and temperature and an added complexity is the buffering effect of the blood/water interface across the gill membrane which masks any additional toxicity over about pH 8.0. The management of river chemistry to avoid ecological damage is ...
Nickel is one of the metals that can form Tutton's salts. The singly charged ion can be any of the full range of potassium, rubidium, cesium, ammonium (), or thallium. [37] As a mineral the ammonium nickel salt, (NH 4) 2 Ni(SO 4) 2 · 6 H 2 O, can be called nickelboussingaultite. [38]
The reagent used is ammonium sulfide or Na 2 S 0.1 M added to the ammonia/ammonium chloride solution used to detect group 3 cations. It includes: Zn 2+ , Ni 2+ , Co 2+ , and Mn 2+ . Zinc will form a white precipitate, nickel and cobalt a black precipitate and manganese a brick/flesh colored precipitate.
An ISO standard, "Soil quality — Determination of pore water pressure — Tensiometer method", ISO 11276:1995, "describes methods for the determination of pore water pressure (point measurements) in unsaturated and saturated soil using tensiometers. Applicable for in situ measurements in the field and, e. g. soil cores, used in experimental ...
Soil quality reflects how well a soil performs the functions of maintaining biodiversity and productivity, partitioning water and solute flow, filtering and buffering, nutrient cycling, and providing support for plants and other structures. Soil management has a major impact on soil quality. Soil quality relates to soil functions. Unlike water ...
This eight-county metropolitan area is the second fastest-growing area in the state of Texas and depends on the aquifer for both recreational use and clean drinking water. [48] [49] San Antonio Water System (SAWS) is the largest public water utility system that serves the eight counties of the San Antonio metropolitan area. A total of 92 water ...
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