<sub id="1umrn"><b id="1umrn"></b></sub>
    1. <output id="1umrn"></output>
        <dl id="1umrn"></dl>

          <output id="1umrn"></output>
          <dl id="1umrn"></dl>

            <dl id="1umrn"><font id="1umrn"></font></dl>
            <output id="1umrn"></output><output id="1umrn"><font id="1umrn"></font></output>
            Welcome to Hunan Yueyang Sanxiang Chemical Co., Ltd. Website!
            products

            Sodium Sulfite(Tech Grade)

            1.Molecular Formula : Na2SO3

            2.Molecular Weight: 126.04

            3.Nature: CAS No: 7757-83-7

            White crystal or powder; no foul. Soluble in water, very slightly soluble in ethanol, almost insoluble in ether. White hexagonal prismatic crystals,soluble in water (when 0°C 12.54g/l OOml water; When 80°C 283g/lOOml water), in 33.4°C The maximum solubility of about 28% when the aqueous solution is alkaline. Slightly soluble in alcohol, insoluble in liquid chlorine, ammonia. Easily oxidized in air sodium, when the temperature is decomposed into sodium sulfide. To strengthen the reducing agent, reacts with sulfur dioxide,sodium bisulfite, reacted with the acid salt.

            4. Usage:

            The role of anhydrous sodium sulfite is extensive. In the pharmaceutical industry, paper making, leather tanning and dyeing industries and plant fiber bleaching, food, etc it has a very important role.ln addition anhydrous sodium sulfite is also used in film developing, bleaching agents, printing and dyeing industry as a deoxygenation agent.

            5. Specification:

            Quality Standard(HG/T 2967-2010)
            Items Company Standard
            Top Grade Fisrt Grade
            Sodium sulfite(Na2SO3) %≥ 97.0 93.0
            Fe %≤ 0.003 0.005
            Water insoluble material %≤ 0.02 0.03
            Free alkali(Na2SO3) %≤ 0.10 0.40
            Na2SO4 %≤ 2.5 -
            NaCl %≤ 0.10 -

            Packing : External packing is PP woven bag, Internal packing is PE bag, the thickness≥0.05mm. There are "Sodium sulfite" printed on the external packing,with the sign of "Avoid moisture and heat". The trademark is "Sanxiang".

            Storage & defence: Stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid raining.

            重庆时时彩开奖结果表
            <sub id="1umrn"><b id="1umrn"></b></sub>
            1. <output id="1umrn"></output>
                <dl id="1umrn"></dl>

                  <output id="1umrn"></output>
                  <dl id="1umrn"></dl>

                    <dl id="1umrn"><font id="1umrn"></font></dl>
                    <output id="1umrn"></output><output id="1umrn"><font id="1umrn"></font></output>
                    <sub id="1umrn"><b id="1umrn"></b></sub>
                    1. <output id="1umrn"></output>
                        <dl id="1umrn"></dl>

                          <output id="1umrn"></output>
                          <dl id="1umrn"></dl>

                            <dl id="1umrn"><font id="1umrn"></font></dl>
                            <output id="1umrn"></output><output id="1umrn"><font id="1umrn"></font></output>
                            电子游艺 玛曲赛马会 合数单双中特 深圳快乐彩投注机转让 淘宝快3怎么玩的 福建11选5即乐彩开奖 彩富足彩网 快速时时彩开奖网址 中国福利彩票35选7开奖结果查询 体彩p5便民工作室选号推荐 推牌九单机小游戏 新疆福彩喜乐彩 吉林快3开奖 白小姐一波中特九龙心水 彩票中奖者6十1