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铅试剂
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  “铅试剂”译为未确定词的双语例句
     Determination of Pb in Foods by Dithizone Spectrophotometric and Self-controling Pressure for Microwave Digestion
     压力自控微波密闭消解——铅试剂光度法测定食品中铅
短句来源
     Determination of plumbum in meat and bone meal by dithizone spectrophotometric and fiber'pressure self-controlling after microwave digestion
     光纤压力自控微波消解铅试剂光度法测定肉骨粉中铅
短句来源
     Feasible condition and influencing factors of the reaction on dithizone and Pb2+ in pH value 8.0 ~ 9.0 citrate ammonium system were studied. The method of detecting Pb2+ in meat and bone meal by optic fibre'pressure self-controlling microwave decomposing technique was found.
     研究了在pH值8.0~9.0的氨水-柠檬酸铵体系中,铅试剂与Pb2+反应的适宜条件与影响因素,建立了光纤压力自控微波消解测定微量Pb2+的方法。
短句来源
  相似匹配句对
     LEAD
    
短句来源
     Preservation of Reagent
     试剂的存放
短句来源
     Study on the Polarographic Adsorptive Wave of Lead(Ⅱ)—Palladium Reagent Complex
     -钯试剂络合物极谱吸附波的研究
短句来源
     Organosilicon reagents
     有机硅试剂
短句来源
     Picks blood 100 μl,joins in the blood lead examination special-purpose reagent.
     采血100μl,加入血检测专用试剂中。
短句来源
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  lead agent
Collectively, we conclude that AVL shows promising antileishmanial activity and may provide a new lead agent in the treatment of Leishmaniasis.
      
A lead agent or agency to facilitate joint, interagency and multinational CMD integration is paramount to ensure this cooperative effort.
      
An obvious drawback of MPA as a lead agent for elevation of metastasis suppressor expression is its multiplicity of known activities.
      
As the lead agent for SBA, the d has had the responsibility of devising the composition of SBA since the late 1980s.
      
CEAS has been identified as the lead agent for the network.
      
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Meso-Tetra- (3,5-dibromo-4-hydroxyphenyl) porphyrin [T(DBHP)P],a bromo-substituted porphyrin was found to be a very useful reagent for the spectrophotometric determi nation of lead.Lead reacts rapidly with T(DBHP)P in alkaline medium in the presence of 8-hydroxyquinoline.The Soret band of the complex lies at 479 nm, with a molar absorptivity of.4x10~5l.mol~(-1)·cm~(-1).Beer's law is followed for 0~11μg of lead in 25ml of solution.The selectivity of this porphyrin is much better than that of the unsubstituted...

Meso-Tetra- (3,5-dibromo-4-hydroxyphenyl) porphyrin [T(DBHP)P],a bromo-substituted porphyrin was found to be a very useful reagent for the spectrophotometric determi nation of lead.Lead reacts rapidly with T(DBHP)P in alkaline medium in the presence of 8-hydroxyquinoline.The Soret band of the complex lies at 479 nm, with a molar absorptivity of.4x10~5l.mol~(-1)·cm~(-1).Beer's law is followed for 0~11μg of lead in 25ml of solution.The selectivity of this porphyrin is much better than that of the unsubstituted porphyrin, T(4-HP)P.A method using T(DBHP)P has been applied for the determination of lead in standard samples of iron ore and zino spelter after an extraction with iodide-MIBK in 0.6M hydrochloric acid solution.

meso-四(3,5-二溴-4-羟基苯)卟啉[T(DBHP)P],一种新的溴代卟啉可用作测定铅的试剂.当8-羟基喹啉存在时,铅可在碱性介质中迅速与T(DBHP)P反应生成配合物.该配合物的Soret带位于479nm,摩尔吸光率为2.4×10~5 L/(mol·cm).在25ml溶液中0~11μg铅符合比耳定律.本法的选择性显著高于未溴代的meso-四(4-羟基苯)卟啉[T(4-HP)P]法.用本法通过碘化物-MIBK萃取后测定了铁矿和金属锌中的铅,结果良好.

Meso-Tetra-(3,5-dibromo-4-hydroxyphenyl)porphyrin[T(DBHP)P],a bromo-substituted porphyrin was found to be a very useful reagent for the spectrophotometric determi nation of lead.Lead reacts rapidly with T(DBHP)P in alkaline medium in the presence of 8-hydroxyquinoline.The Soret band of the complex lies at 479 nm,with a molar absorptivity of 2.4×10~51.mol~(-1).cm~(-1).Beer's law is followed for 0~11μg of lead in 25ml of solution.The selectivity of this porphyrin is much better than that of the unsubstituted porphyrin,T(4-HP)P....

Meso-Tetra-(3,5-dibromo-4-hydroxyphenyl)porphyrin[T(DBHP)P],a bromo-substituted porphyrin was found to be a very useful reagent for the spectrophotometric determi nation of lead.Lead reacts rapidly with T(DBHP)P in alkaline medium in the presence of 8-hydroxyquinoline.The Soret band of the complex lies at 479 nm,with a molar absorptivity of 2.4×10~51.mol~(-1).cm~(-1).Beer's law is followed for 0~11μg of lead in 25ml of solution.The selectivity of this porphyrin is much better than that of the unsubstituted porphyrin,T(4-HP)P. A method using T(DBHP)P has been applied for the determination of lead in standard samples of iron ore and zinc spelter after an extraction with iodide-MIBK in 0.6 M hydrochloric acid solution.

meso-四(3,5-二溴-4-羟基苯)卟啉[T(DBHP)P],一种新的溴代卟啉可用作测定铅的试剂。当8-羟基喹啉存在时,铅可在碱性介质中迅速与 T(DBHP)P 反应生成配合物。该配合物的 Soret 带位于479nm,摩尔吸光率为2.4×10~5L/(mol·cm)。在25 ml 溶液中0~11μg铅符合比耳定律。本法的选择性显著高于未溴代的 meso-四(4-羟基苯)卟啉[T(4-HP)P]法。用本法通过碘化物-MIBK 萃取后测定了铁矿和金属锌中的铅,结果良好。

In this paper, a new kind of reagent which is used in leaching lead from surface of brasses in drinking water systems is studied, such as pipes, fittings and faucets. The XRD and AAS are used to test the weight percent of Pb of worked surface and concentration of Pb/Zn and Pb/Cu in worked sulotion.

研究试制了一种用于黄铜管道、水龙头和管接头等饮用水系统用零 件的表面脱铅的脱铅试剂。利用X射线能谱测定了经表面化学处理后的黄铜零件 表面的含铅量,并用吸收光谱分析了脱铅处理后脱铅溶液中的Pb/Cu和Pb/Zn的 量。

 
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