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zinc sulfate

(Encyclopedia)zinc sulfate, chemical compound ZnSO4, a very water soluble, transparent, colorless, crystalline compound. It is commonly used as the heptahydrate, ZnSO4·7H2O, and is commonly called white vitriol; i...

van't Hoff, Jacobus Hendricus

(Encyclopedia)van't Hoff, Jacobus Hendricus yäkōˈbəs hĕndrēˈkəs vänt hôf [key], 1852–1911, Dutch physical chemist. He taught at the universities of Amsterdam (1878–96) and Berlin (from 1896). For his ...

Tizard, Sir Henry Thomas

(Encyclopedia)Tizard, Sir Henry Thomas, 1885–1959, English physical chemist and scientific adviser. He was educated at Westminster school and Magdalen College, Oxford, from which he received honors in natural sci...

Baroda

(Encyclopedia)Baroda bərōˈdə [key], former native state, now incorporated in Gujarat state, W central I...

Setúbal

(Encyclopedia)Setúbal səto͞oˈbəl [key], city (1991 pop. 83,548), capital of Setúbal district, S central Portugal, on the Bay of Setúbal at the mouth of the Sado River, in Estremadura. One of Portugal's most ...

Shymkent

(Encyclopedia)Shymkent chĭmkyĕntˈ [key], city (1993 est. pop. 404,000), S Kazakhstan, on the Turkistan-Siberia RR. It has large zinc and lead smelters and machine, chemical, and food-processing industries. Found...

Baia Mare

(Encyclopedia)Baia Mare bīˈä mäˈrĕ [key], Hung. Nagybánya, city, NW Romania, in Crişana-Maramureş....

Qostanay

(Encyclopedia)Qostanay, Kostanay, or Kustanay all: ko͝osˌtənīˈ [key], city (1993 est. pop. 228,000), N Kazakhstan, on the Tobol River. It is an agricultural center and producer of chemical fibers. Rich iron d...

einsteinium

(Encyclopedia)einsteinium īnˈstīˌnēəm, īnstīˈ– [key] [for Albert Einstein], artificially produced radioactive chemical element; symbol Es; at. no. 99; mass no. of most stable isotope 252; m.p. about 860�...

dysprosium

(Encyclopedia)dysprosium dĭsprōˈzēəm [key] [Gr.,=hard to get at], metallic chemical element; symbol Dy; at. no. 66; at. wt. 162.500; m.p. 1,412℃; b.p. 2,562℃; sp. gr. 8.54 at 25℃; valence+3. Dysprosium i...