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N95 (US);type P1 (EN143) respirator filter",{"key":308,"value":309},"危险品运输编码","NONH for all modes of transport",{"key":311,"value":312},"WGK德国","-",{"key":301,"value":302},"\u003Ctd>\n\n\u003Cp>\u003Cstrong>碳酸锶毒理学数据:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\u003Cp> 吸入锶化合物粉尘，能引起两肺中度弥漫性间质改变。最高容许浓度为6mg\u002Fm3。 \u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>碳酸锶生态学数据:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\u003Cp>通常对水是不危害的，若无政府许可，勿将材料排入周围环境。\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"\u002Fen\u002Fcas\u002F1633-05-2_1191378.html#duXinDiv\">碳酸锶毒性英文版\u003C\u002Fa>\u003C\u002Fp>\n\n\u003C\u002Ftd>","\u003Cp>1.复分解法：将天青石粉碎后与纯碱溶液反应2h，反应温度100℃。碳酸钠起始浓度20%，碳酸钠加入量为理论量的110%，矿粉粒度80目，在此条件下，分解率可达97%以上，经过滤，滤液中硫酸钠浓度可达24%。粗制碳酸锶用水打浆，加盐酸调料浆至pH3，在温度90～100℃下经2～3h，加入除钡剂除钡，再用氨水调浆液至pH6.8～7.2除杂，过滤后滤液用碳酸氢铵或碳酸铵溶液沉淀出碳酸锶，再过滤除去氯化铵溶液，滤饼经干燥，制得碳酸锶成品。其反应方程式如下：\u003Cbr \u002F>\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>\u003Cbr \u002F>2.煤还原法：天青石和煤粉经粉碎，以通过20目的作为原料，矿煤比为1：0.6～1：0.7，在温度1100～1200℃下还原焙烧，经0.5～1.0 h，焙烧物经两次浸取，一次水洗，浸取温度90℃，每次浸3h，总浸出率可达82%以上，浸液经过滤，滤渣经盐酸溶浸后进一步回收锶，滤液中加芒硝溶液除钡，再加入碳酸氢铵或碳酸钠溶液进行反应生成碳酸锶沉淀(或直接用二氧化碳碳化)，再经分离、干燥、球磨粉碎，制得碳酸锶成品。其反应方程式如下：\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>\u003Cbr \u002F>\u003Cbr \u002F>3.菱锶矿热解法： 将菱锶矿和焦炭粉碎，按矿：焦=10：1(重量比)的比例配成混合料，经1150～1250℃温度下焙烧，使碳酸盐分解生成含氧化锶和其他金属氧化物熟料。熟料经三级浸取，浸取温度以95℃为佳，二、三级浸取可在。70-80℃下进行。浸取液使氢氧化锶浓度为：1mol\u002FL，有利于杂质Ca\u003Csup>2+\u003C\u002Fsup>、Mg\u003Csup>2+\u003C\u002Fsup>的分离，向滤液加入碳酸氢铵进行碳化而得碳酸锶，再经分离、烘干、粉碎，制得碳酸锶成品。其反应方程式如下：\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>\u003Cbr \u002F>\u003Cbr \u002F>4.综合利用法： 从含溴、锶的地下卤水中，经提溴后的含锶母液用石灰中和，经蒸发浓缩、冷却，除去氯化钠，再经烧碱除钙，加碳酸氢铵使氢氧化锶转化成碳酸锶沉淀，再经漂洗、烘干，制得碳酸锶成品。其反应方程式如下：\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>\u003Cbr \u002F>5.三相间分配法　将含溶剂的噻吩甲酰三氟丙酮萃取剂有机相，钙、镁离子的水相与由四钛酸钾结晶组成离子交换体（固相）的三相同时接触。水相中的钙、镁离子，离子半径小的离子在有机相中提取，离子半径大的离子在固相中提取。锶、钡分离率达99.977%。\u003C\u002Fp>\u003Cp>6. 在硝酸锶的饱和溶液中，搅拌下慢慢加入过量的10%的碳酸铵溶液，生成碳酸锶：\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>加热使沉淀 （ 或静置数小时） ，过滤，离心甩干，用水洗涤数次，至溶液中NO\u003Csub>3\u003C\u002Fsub>\u003Csup>-\u003C\u002Fsup>离子含量合格，甩干后，于200℃烘干。若要制备高纯碳酸锶，则采用高纯硝酸锶，高纯碳酸铵和电导水，按上述方法即可。也可用碳酸钠代替碳酸铵。\u003C\u002Fp>","\u003Ctd>\n\n\u003Ca href=\"\u002Fen\u002Fcas\u002F1633-05-2_1191378.html#MSDSDiv\">碳酸锶MSDS英文版\u003C\u002Fa>\n\n\u003C\u002Ftd>","2026-08-21T07:51:12.859463Z",false,[320,326,332,338,344,350],{"slug":321,"cid":322,"name":323,"nameZh":324,"cas":325},"785893950647963648","J-36717-4","Quinuclidine hydrochloride","奎宁环盐酸盐","39896-06-5",{"slug":327,"cid":328,"name":329,"nameZh":330,"cas":331},"785895140894969856","J-1031688-7","6,6-Dimethyl-3-azabicyclo[3.1.0]hexane hydrochloride","6,6-二甲基-3-氮杂双环[3.1.0]己烷盐酸盐","943516-55-0",{"slug":333,"cid":334,"name":335,"nameZh":336,"cas":337},"849969456342896640","J-1134628-5","N-methyldiallylamine hydrochloride","N-甲基二烯丙基胺盐酸盐","13107-01-2",{"slug":339,"cid":340,"name":341,"nameZh":342,"cas":343},"849971009489473536","J-1134629-6","2-Propyn-1-amine,N,N-diethyl-, hydrochloride (1:1)","N,N-二乙基丙炔胺盐酸盐","23123-80-0",{"slug":345,"cid":346,"name":347,"nameZh":348,"cas":349},"785883790131073024","J-1383357-0","2-Fluoroaniline hydrochloride","2-氟苯胺盐酸盐","51085-49-5",{"slug":351,"cid":352,"name":353,"nameZh":354,"cas":355},"785889767052021760","J-28621-9","(R)-(-)-Citramalic acid","(R)-(-)-柠苹酸","6236-10-8",1792608013059,"zh-CN",[359],{"slug":237,"name":236,"nameZh":235,"origin":73,"originFlag":31}]