Crystal Sodium Sulphide

                Crystal Sodium Sulphide

                H.S.CODE:28301010
                CAS NO.:1313-82-2
                Molecular formula:Na2S
                Property:white or cyan crystalline powder or small crystal,soluble in water,slightly soluble in alcohol,insoluble in ether,presents strong alkaline solution,easily oxidized when exposed to air,poison.
                Use:used in pharmaceutical intermediate, water treatment,food,flotation agent, depilatory for leather,digestion auxillary in paper-making,and widely used in pigment and rubber industry.
                Packing:in25kgs plastic woven bag .
                Specification:

                Commodity of Goods Crystal Sodium Sulphide
                Packing In 25kgs plastic woven bag
                Appearance White or cyan crystalline powder or small crystal
                Item Standard
                Na2S 43% min
                Na2SO3+Na2S2O3 1.0% max
                Fe 0.01% max

                 



                【Last】      【Next】      【Return】
                一本久久a久久精品,久久精品中文字幕亚洲一区,久久久久久久精品免费观看,99视频这里只有精品11,快速了解蜜桃色爱A片 人人九九精品视频 久久精品久久久久观看99水蜜桃 亚洲日本韩国欧美云霸高清 韩国电影办公室3高清 又黄又爽又刺激免费10分视频在线播放 99国产精品自在自线 bob亚洲色欲色欲www 欧美三级片网站 亚洲人成网站18禁止无码 一本色道久久88加勒比—综合 亚洲最新中文字幕