化学纯度

HDL、LDL和VLDL的放射化学纯度分别为99%、96%和94%。

Radiation chemical purity of HDL , LDL and VLDL are 99 % , 96 % and 94 % respectively .

这颗水滴形钻石已经被美国宝石学院鉴定为D色和TypeIIA级，这意味着它的内部毫无瑕疵、切工完美，化学纯度达到顶级，并有着极佳的光学透明度。

The briolette has been graded by the Gemological Institute of America to be of D color and type IIa , indicating its internally flawless clarity , excellent polish , highest level of chemical purity and exceptional optical transparency .

小纸层析法快速测定~（99m）Tc&HMPAO放射化学纯度

Rapid determination of the radiochemical purity of ￣( 99m ) Tc-HMPAO by mini-paper chromatography

氯化亚铊（~（201）Tl）放射化学纯度测定方法的选择

Selection of methods for determining radiochemical purity of ( ~ ( 201 ) T1 ) thallous chloride

产品放射性比活度为740TBq／mol，放射化学纯度＞95%。

The specific activity is 740 TBq / mol , and the radiochemical purity is over 95 % .

确定了这两种混配复合物的最佳标记条件，在此条件下，放射化学纯度（RCP）>90%，并且在室温下稳定6h以上。

At these conditions , the radiochemical purity of both complexes was better than 90 % and they were stable over 6 h at room temperature .

结果显示：（1）所得标记物放射化学纯度>95%，放射性比活度为3.33×105Bq/μg（23-HBA）；

The results showed that the radiochemical purity was over 95 % and the specific radioactivity was 3.33 × 105 Bq / μ g ( 23-HBA );

放射比度1.4ci/mmol，放射化学纯度95%以上。

The specific activity was 1.4ci/mmol and radiochemical purity was over 95 % .

~（125）I-TOC和~（125）I-F-PGA放射化学纯度的测定

Determination of Radiochemical Purity of ~ ( 125 ) I-TOC and ~ ( 125 ) I-F-PGA

188W的漏穿量小于10-%，而核纯4和放射化学纯度均大于99%。

The 188W leakage is less than 10 - % . Both the 4 radiochemical purity and radionuclide purity are more than 99 % .

分别测定99mTc-EC-ODN在室温和与新鲜人血清37℃孵育后放射化学纯度的变化了解其稳定性。

The radiochemical purity of 99mTc-EC-ODN at ambient temperature and incubated in fresh human serum at 37 ℃ was determined for research on its stability .

分析化学纯度的碳酸钙、磷酸二氢钾、磷酸二氢钠按照2∶1∶1的摩尔比混合后于1300℃高温反应4h，得到了组成符合Ca2KNa（PO4）2的正磷酸钠钾钙陶瓷。

The Ca2KNa ( PO4 ) 2 ceramic was synthesized by solid state reaction of calcium carbonate , potassium dihydrogen phosphate and sodium dihydrogen phosphate dihydrate in 2 / 1 / 1 molar ratio at 1 300C ° for 4 h.

为了研制123I标记的、诊断阿尔茨海默病的苯并噻唑类Aβ斑块显像剂，合成了4个125I标记的苯并噻唑类衍生物，放射化学纯度大于95%。

In order to develop ~ ( 123 ) I labelled probe for SPET imaging of A β plaques in Alzheimer 's ( disease ), Four ~ ( 125 ) I labelled benzothiazole derivatives are synthesized and their radiochemical purity are more than 95 % .

~（90）Y标记偶联抗体放射化学纯度的分析

Analysis of the radiochemical purity of coupled antibodies labeled with yttrium-90

注射用水化学纯度的控制是主要问题。

Control of the chemical purity of WFI presents few major problems .

该法标记方便，产额和放射化学纯度均大于90%，便于临床推广和使用。

It is convenient to use and popularize in clinic .

~（99）Tc~m－DTPA－HSA注射液的放射化学纯度分析

The determination of the radiochemical purity of ￣( 99 ) tc ￣ m-dtpa-hsa injection

一切有化学纯度的艺术都具备这种迅速而强烈地影响我们的力量。

All chemically pure art has this power to act upon us quickly and intensely .

所有这些法定的色素在制造时必须符合严格的化学纯度标准。

All certified batches of suck colors must meet stringent chemical purity standards in their manufacture .

结论：标记物具有较高的放射化学纯度及稳定性，为体内治疗打下良好的基础。

Conclusion : The radiolabeled antibodies have high radiochemical purity and stability which lays basis for therapy in vivo .

最终所得产品在化学纯度、光学纯度均达到了聚合级丙交酯的要求。

The chemical purity , optical purity of the final product achieves the requirements of ring-opening polymerization of lactide .

结果：采用纸层析法测定的标记率和放射化学纯度分别为97.2%±0.4%和95.5%±0.2%；

Results : The labeling efficiency was 97.2 % ± 0.4 % , and the radiochemical purity was 95.5 % ± 0.2 % .

试验样品化学纯度高，吸液量大，是典型的γ晶体；

The sample has high chemistry purity , its absorbency of alkali lye is good , and it is a representative γ - crystal .

粉末具有足够高的化学纯度，其氯含量低于30×10￣（－6）。

The chemical composition of the powder can be easily controlled to keep the content of Cl ￣ - below 30 × 10 ￣( - 6 ) .

钼金属和大部分钼化工制品都以钼酸铵为原料或前驱物，钼酸铵的制备工艺直接制约着钼酸铵乃至后续产品的化学纯度和物理性能。

Ammonium molybdate are raw materials or precursor for most of the metal molybdenum and molybdenum chemical products . The preparation of ammonium molybdate directly restrict the purity and the chemical and physical properties of follow-up product .

所得产物经高效液相色谱纯化后，放射化学纯度大于98%，放射性比活度达738GBq/mmol，各项指标能满足医、药学相关研究的要求。

The radiochemical purity of the product purified by HPLC is greater than 98 % , and its specific activity is 738 GBq / mmol . The quality of the product could meet the demands of the relevant research on medicine or pharmacology .

观察上皮细胞生长及特征，免疫组织化学检测其纯度，扫描和透射电镜评价细胞超微结构。

Growth and characteristics of the epithelial cells were observed , and the purity of the cells was tested by immunohistochemical method . Ultrastructure of the cell was evaluated by using scanning and transmission electron microscopy .

方法：⑴正常人外周血DC的分离与鉴定：按本室常规分离正常人外周血DC，细胞悬液涂片经S-100蛋白免疫细胞化学染色检测DC纯度。

Methods : ⑴ After isolated from normal human peripheral blood , DC is examined its purity by S-100 protein immunocytochemistry staining .

结果经物理和化学处理的SIS纯度高，孔隙多，胶原纤维未受损；

Results The physically and chemically treated SIS was pure with more hollows in it and undamaged collagen fibers .

用吸附色谱法、凝胶过滤色谱法等方法对该活性成分进行分离和纯化，并用高效液相色谱法、薄层色谱法和化学方法对其纯度进行检验，得到2个纯物质HG1和HG2。

The bioactive substances were purified through adsorption chromatography , gel chromatography and so on . The purity tests of HG-1 and HG-2 by TLC , analytical HPLC and chemical methods proved that they were both single substance .