Pure+carbonate+of+potash
41Flux (metallurgy) — Rosin used as flux for soldering A flux pen used f …
42Petrography — is that branch of petrology which focuses on detailed descriptions of rocks. Someone who studies petrography is called a petrographer. The mineral content and the textural relationships within the rock are described in detail. Petrographic… …
43enamelwork — e·nam·el·work (ĭ nămʹəl wûrk ) n. 1. Decorative work done in enamel. 2. Enamelware. * * * Metal objects decorated with an opaque glaze fused to the surface by intense heat. The resulting surface is hard and durable and can be brilliantly… …
44Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… …
45Libya — /lib ee euh/, n. 1. Anc. Geog. the part of N Africa W of Egypt. 2. Italian, Libia. a republic in N Africa between Tunisia and Egypt: formerly a monarchy 1951 69. 5,648,359; 679,400 sq. mi. (1,759,646 sq. km). Cap.: Tripoli. * * * Libya… …
46nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… …
47sulfate mineral — sulfate also spelled Sulphate, Sulfate minerals Sulfate mineralsany naturally occurring salt of sulfuric acid. About 200 distinct kinds of sulfates are recorded in mineralogical literature, but most of them are of rare and local… …
