硝酸铅价格

硝酸铅 更多供应商 10099-74-8 硝酸铅 价格

性状
白色立方晶体或单斜晶系结晶。相对密度4.53(20℃)。易溶于水、液氨、联氨,微溶于乙醇。不溶于浓硝酸。在水中溶解度为56.5g/100g水(20℃)。干燥的硝酸铅于205~223℃分解,潮湿的硝酸铅于100℃时开始分解,先形成碱式硝酸铅Pb(NO3)2·PbO,继续加热则转化为氧化铅。为强氧化剂,与有机物接触能促使其燃烧。有毒!
所属类别
无机化工产品: 无机盐: Cl硝酸盐
用途与作用
用作玻璃和搪瓷用的奶黄色素原料、纸张的黄色素原料。无机工业用于制造其他铅盐。医药工业用于制造收敛剂。用于鞣革。印染工业用作媒染剂。用作相片增感剂。作矿石浮选剂。还用于制造火柴、烟火、炸药的氧化剂。
合成工艺与制法
盐析法将金属铅放人熔铅炉中熔化后,水激成铅花或制成铅皮,再卷成铅卷。
将铅卷(或铅花)放人耐酸反应器中,加入约20%稀硝酸,在稍过量铅的情况下进行反应,至反应液呈淡黄色,溶液浓度约40°Bé为止。澄清后趁热过滤,除去杂质。清液送入盐析器,边搅拌边加人浓硝酸,即有硝酸铅析出,搅拌1~2h后静置,使硝酸铅结晶下沉,经离心分离,制得硝酸铅成品。其反应式如下:
3Pb十8HNO3→3Pb(NO3)2+4H2O+2NO↑
蒸发法 按盐析法生产过程中得到的硝酸铅溶液,趁热过滤除去杂质,加入硝酸酸化至草绿色,送人蒸发器在常压进行浓缩至59.7°Bé,即有硝酸铅结晶析出,经离心分离,制得硝酸铅成品。其反应式如下:
3Pb+8HNO3→3Pb(NO3)2+4H2O+2NO↑
反应过程中有氧化氮气体逸出,有毒,处理方法参见硝酸钠生产的吸收法。
参考质量标准
企业标准皖Q/HG 014—83
指标名称指标
外观白色结晶
硝酸铅[Pb(NO3)2]/%≥98.0
铁(Fe)/%≤0.05
铜(Cu)/%≤0.05
游离酸(以)HNO3计)/%≤0.1
水不溶物/%≤0.05


硝酸铅价格(试剂级)

更新日期产品编号品牌产品信息CAS号MDL号规格与纯度包装价格库存信息操作
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硝酸硫胺价格(试剂级) 铅价格(试剂级) 硝酸价格(试剂级) 硝酸铅价格(试剂级) 硝酸钠价格(试剂级) 硝酸钾价格(试剂级) 硝酸铵价格(试剂级)