sodium tripolyphosphate keywords to promote the role of
time2012/03/01
sodium tripolyphosphatekeywordsto promotethe role of Chemicalmethodscan notdecompose,and canconstituteall the material.Someexamplesofcommonelementshydrogen, nitrogenand carbon.Until2007, a total of118 kinds ofelements arefound,of which 94speciesexiston Earth.1923, the InternationalAtomic WeightCommitteedecision:thechemical elementsaccording tohow muchofthenucleuschargeofatomclassification ofa way tothe sameclassofthenuclear charge numberofatomscalledan element. sodium tripolyphosphate,alsoknownaschemical elementsin naturemore than one hundred kinds ofbasicmetals andnon-metallicmaterial,theyareonlycomposedbyan atomin each nucleusof itsatomswiththe samenumber ofprotons,