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Potassium arsenite (KAsO 2) is an inorganic compound that exists in two forms, potassium meta-arsenite (KAsO 2) and potassium ortho-arsenite (K 3 AsO 3). It is composed of arsenite ions (AsO 3 3− or AsO 2 − ) with arsenic always existing in the +3 oxidation state. [ 3 ]
Fowler's solution first introduced in the 18th century was made up from As 2 O 3 [9] as a solution of potassium meta-arsenite, KAsO 2. [ 10 ] Arsenic in its trioxide, As 2 O 3 , (brand name Trisenox, ATO) is used as a chemotherapy drug against acute promyelocytic leukaemia (APL) , a type of myeloid leukemia. [ 11 ]
Monopotassium arsenate is the inorganic compound with the formula KH 2 AsO 4. A white solid, this salt is used to prepared other arsenic-containing compounds, mainly pesticides. It is prepared by calcining arsenic oxide and potassium nitrate, followed by extraction with water. [1]
Potassium arsenate usually refers to tripotassium arsenate K 3 AsO 4 but may also refer to: Monopotassium arsenate, KH 2 AsO 4; Dipotassium arsenate, K 2 HAsO 4; See ...
Nutrients in the soil are taken up by the plant through its roots, and in particular its root hairs.To be taken up by a plant, a nutrient element must be located near the root surface; however, the supply of nutrients in contact with the root is rapidly depleted within a distance of ca. 2 mm. [14] There are three basic mechanisms whereby nutrient ions dissolved in the soil solution are brought ...
Plants in the Umbel family (carrots, parsley, dill) are known for this, as is sweet alyssum.Using trap crops when companion planting in order to lure insects away from certain crops is preferred ...
The anhydride 1-arsenato-3-phospho-D-glycerate generated readily hydrolyzes due to the longer bond length of As-O compared to P-O. [40] At the mitochondrial level, arsenate uncouples the synthesis of ATP by binding to ADP in the presence of succinate, thus forming an unstable compound that ultimately results in a decrease of ATP net gain. [40]
The macro-nutrients are consumed in larger quantities and are present in plant tissue in quantities from 0.15% to 6.0% on a dry matter (DM) (0% moisture) basis. Plants are made up of four main elements: hydrogen, oxygen, carbon, and nitrogen. Carbon, hydrogen, and oxygen are widely available respectively in carbon dioxide and in water.