What Is The Chemical Reactivityof Granite
Vapours are purged into a cold vapour cell on the atomic absorption spectrophotometer and quantified using a wavelength of 257 3 nm.
What is the chemical reactivityof granite. The streak of granite is white whereas its fracture is not available. However it fails to burn in air even if it is heated to high temperatures. Its three main minerals are feldspar quartz and mica which occur as silvery muscovite or dark biotite or both. Granite rubble is considered to be a non reactive aggregate however depending on the quarry granite may have various impurities including harmful minerals containing active sio 2 the alkali silica reaction is among the chemical reactions that have a significant effect on the durability of.
Hydrolysis involving organic compounds may be illustrated by the reaction of water with an ester of a carboxylic acid. Elemental mercury is liberated by hydrochloric acid and stannous chloride. Good example of experimental science to determine an answer by. Titanium is widely distributed and constitutes 0 44 percent of the earth s crust.
All such esters have the general formula rco or in which r and r are combining groups for example if r and r both represent the methyl group ch 3 the ester is methyl acetate the hydrolysis involves several steps of which the slowest is the formation of a. Streak is the color of rock when it is crushed or powdered. Granite rubble is one of the most frequently used aggregates in concrete manufacturing. Without specific instruction many students would not be able to predict whether a chemical reaction should be seen or not.
Luster of granite is the interaction of light with the surface of granite. A piece of granite is tested for reaction to dilute cold hcl. It burns completely when heated in oxygen to form carbon dioxide. Granite is the most common intrusive rock in earth s continental crust it is familiar as a mottled pink white gray and black ornamental stone it is coarse to medium grained.
The hardness of granite is 6 7 whereas its compressive strength is 175 00 n mm 2. Alkali silica reaction asr is the chemical reaction that occurs between alkali cations and hydroxyl ions in the pore solution of hydrated cement paste and certain reactive silica phases present in the aggregates used in concrete. Titanium chemical element a silvery gray metal of group 4 ivb of the periodic table. A case study find read and cite all the research you need on researchgate.
Chemical properties graphite is chemically inert to almost all chemicals. It is a lightweight high strength low corrosion structural metal and is used in alloy form for parts in high speed aircraft. Method 3500 hg b cold vapour atomic absorption method 6. Castro and others published alkali reactivity of granitic rocks in portugal.