of arizona mineral museum [view label] owner: rruff description: light blue hexagonal prism, variety aquamarine status: the identification of this mineral has been confirmed by x-ray diffraction and chemical analysis mineral group: [ beryl ( ) ] quick search: [ all beryl samples ( ) ] chemistry rruff...
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desugared or chemically treated, including lignin sulphonates, but excluding tall oil of heading gum, wood or sulphate turpentine and other terpenic oils produced by the distillation or other treatment of coniferous woods; crude dipentene; sulphite turpentine and other crude para-cymene; pine oil containing...
found as an accessory mineral in practically all kinds of igneous rocks. sometimes it is concentrated in pegmatite's, metallic veins and magmatic deposits. it also occurs in metamorphic rocks and as a secondary mineral in phosphatic rocks of sedimentary origin. rock phosphates (or phosphorite) are sedimentary...
columns and rows according to increasing atomic number (see the table entitled ..... click the link for more information. . calcium is chemically active; it tarnishes rapidly when exposed to air and burns with a bright yellow-red flame when heated, mainly forming the nitride. it reacts directly with water...
manganese(iv) oxide and the electrolyte is a mixture of ammonium and zinc chlorides. other zinc alloys (mainly rolled) are frequently used for semi-manufactured products such as coins, the current-carrying portion of small electrical fuses, and anode ribbon for buried pipelines. brass, an alloy containing...
that is abundantly distributed throughout the world. since calcium phosphate is only slightly soluble in water, it is not very suitable as a source of the phosphorus necessary for plant life; however, by treating it with sulfuric acid the soluble calcium acid phosphate known as superphosphate of lime...
gained with this new operation and the knowledge of the properties of dispersion-containing rinse water are of benefit not only to cordes; other henkel production plants that produce and process dispersion adhesives throughout the world can profit from the experience gained in eastern westphalia. biotechnology...