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Related to Ammonium salt: Quaternary ammonium salt
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  • noun

Synonyms for ammonium

the ion NH4 derived from ammonia


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Hence, good clay modifiers which can provide also flame retardant capacity are represented by quaternary ammonium salts bearing long aliphatic chain (more than C10), such as alkyltrimethylammonium chloride [21, 33].
As the key additive, quaternary ammonium salt has higher inhibitory and anti-balling abilities, and it is not poisonous and non-hazardous, the use of this drilling fluid could eliminate cost of oil contaminated drilled cuttings disposal [7-8].
While there are over a dozen chemical classes of biocides, the majority are cationic surfactants such as quaternary ammonium salts referred to in the industry as "quats.
Among these types of catalysis is the asymmetric phase-transfer catalysis (APTC) which has used quaternary ammonium salts with defined stereogenic centers of asymmetric induction in organic compounds, for example, the salts (l) and (2) of alkaloids ephedra and (3) and (4) of the Cinchona [8] (Figure 1) have been used frequently and conducted at good results in terms of stereoselectivity, especially when the substituents in the quaternary nitrogen are bulky.
Table 1: Comparative study of using different types of salts as a component of phosphate buffer (a component of mobile phase) Type of salts used in phosphate buffer Parameters Ammonium salt sodium salt R value 0.
Metallic or ammonium salts of acrylic acid soluble in water are used as monofunctional monomers.
The corrosion brought about by the ammonium salt on concrete may lead to the generation of calcium salts soluble in water and ammonia.
The use of choline chloride, as shown in Figure 5, is interesting because this quaternary ammonium salt forms a liquid with complexing agent in a same phase, making eutectic ILs.
Polysiloxane-Based, Hybrid Antifouling/Fouling-Release Coatings Containing Tethered Quaternary Ammonium Salt Groups--Partha Majumdar, et al.
5; and component (b): a pigment other than the component (a), wherein the pigment has a sulfonic group or a metal salt, ammonium salt or amine salt thereof.
With the development of its new emulsifier technology, Dyneon is on track to be the first to achieve the goal of eliminating the use of PFOA, in particular, its ammonium salt, APFO, which has played a historical role as a polymerization aid in the manufacture of certain fluoropolymers," said Shome Bag, marketing specialist Energy & Environment 3M Gulf.
Pittsburgh, is a cationic quarternary ammonium salt.
Figure 12 shows the correlation between the amount of ammonium salt left in the film and tape adhesion.
These findings make it necessary to provide labelling which gives consumers clear information on the presence of glycyrrhizinic acid and its ammonium salt in confectionery and beverages.