Arsenate sentence example
The two most useful arsenical sprays are Paris green and arsenate of lead.
Mitscherlich, in the case of the acid phosphate and acid arsenate of potassium, KH 2 P(As)04, who adopted the term isomorphism, and regarded phosphorus and arsenic as isomorphously related elements.
Tin is removed mainly as a powdery mixture of stannate of lead and lead oxide, arsenic and antimony as a slagged mixture of arsenate and antimonate of lead and lead oxide.
I a the basic tellurate montanite, Bi 2 (OH) 4 TeO 4; the silicates eulytite and agricolite, B14(S104) 3; and the uranyl arsenate walpurgite, Bi(U02)3(OH)24(As04)4.
The mineral brushite, CaHPO 4.2H 2 0, which is isomorphous with the acid arsenate pharmacolite, CaHAs04.2H20, is an acid phosphate, and assumes monoclinic forms. The normal salt may be obtained artificially, as a white gelatinous precipitate which shrinks greatly on drying, by mixing solutions of sodium hydrogen phosphate, ammonia, and calcium chloride.Advertisement
Copper arsenate is similar to cupric phosphate, and the resemblance is to be observed in the naturally occurring copper arsenates, which are generally isomorphous with the corresponding phosphates.
Silver arsenate and antimoniate are also readily soluble, metallic silver slightly so, silver sulphide not at all.
It permits coarser crushing of the ore, the cost of plant is lower, the power required is nominal, the cost of chemicals is lower than that of quicksilver, less water is necessary, and the extraction is often higher, as silver arsenate and antimoniate are readily soluble, while they are not decomposed in amalgamation.
Normal ferric arsenate, FeAs0 4.2H2O, constitutes the mineral scorodite; pharmacosiderite is the basic arsenate 2FeAsO4Fe(OK)3.5H2O.
An acid arsenate, 2Fe2(HAsO4)3.9H20, is obtained as a white precipitate by mixing solutions of ferric chloride and ordinary sodium phosphate.Advertisement
Sodium arsenate (-10--yl-a gr.) is somewhat less commonly prescribed, though all the compounds of this metal have great value in experienced hands.
Proven performance providing an effective alternative to traditional CCA (chromated copper arsenate) treated timber.
Professor Plant suggested a good case study for Chapter 1 would be the use of copper chrome arsenate in soft wood consumer products.
In 1907 calcium arsenate was introduced for use primarily on cotton crops and in cotton mills.