<dl id="v19tz"></dl>
      <span id="v19tz"></span>
        <ol id="v19tz"><listing id="v19tz"></listing></ol>

          <cite id="v19tz"></cite>

            
            

            <form id="v19tz"><pre id="v19tz"></pre></form>

              <address id="v19tz"><delect id="v19tz"></delect></address>

                Ortho-Phosphorous acid

                Produce name: Ortho-Phosphorous acid
                Molecular formula:H3PO3
                Molecular weight: 82
                Application:
                our factory produces following two kind of phosphorous acids divides byraw material : (1)Take phosphorus trichloride as the raw material and hydrolyze it to produce crystalline industrial phosphoro
                Specifications:
                 

                Item

                Crystal Index(%)

                Liquid Index (%)

                Phosphorus trichloride method

                Relic solution method

                Phosphorus trichloride method

                Relic solution method

                main content (as H3PO3)≥

                99.0

                98.0

                77-80

                77-80

                chloride content (as Cl)≤

                0.01

                0.01

                0.03

                0.03

                iron content (as Fe)

                0.0015

                0.002

                0.003

                0.005

                phosphate content (as PO4)≤

                0.2

                0.2

                 

                 

                sulphate content (as SO4)≤

                0.008

                0.008

                 

                 

                Appearance

                White crystal

                achromatism or pale-yellow liquid

                 

                Application:
                This product mainly is suitable for the raw material for production, such as the phosphite, the synthetic fiber and the organic phosphorus agricultural chemicals and so on. Also uses in producing h

                Packing: 
                (1) crystal: 25kgs/bag, inner packaging adopts double ply polythene film bag, external packaging is plastic woven bag B: 50kgs in paper drum or metal; C: 1000kgs in big bag D: According to buyer re

                69精品人人搡人妻人人玩_无码爱爱_久色网_久操福利

                    <dl id="v19tz"></dl>
                    <span id="v19tz"></span>
                      <ol id="v19tz"><listing id="v19tz"></listing></ol>

                        <cite id="v19tz"></cite>

                          
                          

                          <form id="v19tz"><pre id="v19tz"></pre></form>

                            <address id="v19tz"><delect id="v19tz"></delect></address>