Its structure was also characterized. A new spectrophotometric method of determining Pd2+ was developed based on the new reagent. In the range of pH 5.4―5.8 Pd2+ forms a stable yellow complex with HXPT in the presence of CTMAB, and its apparent molar absorptivity is 2.21×105 L. mol－1.cm－1 at the maximum absorption wavelength 296.8 nm. Beer's law is obeyed in the range of 1―7 μg.25mL－1 for Pd2+.
研究了它与钯反应的条件试验，结果表明，在pH 5.4-5.8的HAc-NaAc介质中，有溴化十六烷基三甲胺的存在，试剂与钯形成稳定的黄色配合物，最大吸收波长为296.8 nm，表观摩尔吸光系数为2.21×105 L.mol－1.cm－1，钯浓度在1-7 μg.25 mL－1范围内，符合比尔定律。
When we added abstructing absorption reagent, the ruine d rate of permethrin on the surface of human skin was reduced.
结果：氯菊酯在人皮肤上的残留率因涂布部位不同而异；加入阻滞吸收剂可减少该药的衰减。
The spectra data also showed the wavelength range of the aromatic amines` emission spectra in weaker polar condition was deeply overlapped with the wavelength range of thioxanthones` absorption spectra, which means aromatic amines can act as energy-transfer reagent in photo-initiation system with thioxanthone photo-initiator added in.
此外，从荧光光谱的结果中可以发现，芳香叔胺在弱极性溶剂中的荧光发射波长与硫杂蒽酮类光引发剂的紫外吸收波长的范围有较大程度的重叠，表明芳香叔胺在含有硫杂蒽酮的光引发体系中可能起到能量转移剂的作用。
It is a organic hexahydric weak acid. In different acidity, the dissociation degree and the color of reagent solvent were different also. Determined and draw the absorption curve of reagent in varies acidity, and figured out the dissociation constant by Perisic-Janjic method; the complex ratio of the reagent and bismuth was determinated by mole ratio method and continuous variation method; The apparent stability constant of the complex was calculated, the mechanism of dissociation and coordination were discussed.
2，6—二溴4—硝基偶氮氟胂是本实验室合成的测定铋的一个较好的试剂，对其进行了进一步的研究，在用柱层析法对其进行了提纯后，测定了试剂在不同酸华东师范大学硕：l：学位论文摘要度下的吸光度和最大吸收波长，绘制了其吸收曲线，用Perisic一Janjic法计算了试剂的六级离解常数；用摩尔比法和连续变化法测定了试剂与秘形成的配合物的络合比：计算了配合物的表观稳定常数，研究了其离解和配合机理，为筛选高效有机显色剂提供了理论依据。
As the chromogenic reaction is quick, the correlation coefficient approach to 1 and the reagent is easy to get, it is obvious to use this method to study on the absorption behavior of JFC on the surface of coal dust.
该方法显色迅速、工作曲线线性相关性好、试剂易得、操作简单，利用该方法研究了JFC在煤尘表面的吸附行为。
Methods: Based on the colorreaction of indophenol reagent and ammonia in meat with the presence of sodium nitroprusside in basic medium, react time, maximum absorption wavelength, react temperature and work curve were investigated; The precision and accuracy of analytical method were researched.
研究了靛酚蓝光度法测定的样品中氨的反应时间、反应温度、最大吸收波长，对试验条件进行了优化；对分析方法的精密度、准确度进行了研究。
The application of atom absorption spectrum apparatus to material analysis of metal, powder, liquid and chemical reagent for battery industry was introduced in this paper.
近20多年来，由于电感耦合等离子体发射光谱和原子吸收光谱等仪器的发展，全面提高了各种材料的分析水平与分析质量。
Melting the slag with alkali(NaOH or Na2O2), washing the sample with H2SO4 or HCl and then joining Na2SO2 as masking reagent, checking out with the method of atom absorption spectum.
气化炉炉渣采用碱(NaOH或Na2O2)熔，用H2SO4或HC l浸洗，加入Na2SO4掩蔽剂，进行原子吸收光谱的测定。
The cobalt matrix is precipited and separated by sodium hydroxide, and ammonium is determined in cobalt carbonate by absorption spectrophotometric method of colour reaction with ammonium reagent.
研究了以氢氧化钠沉淀分离钴基体，铵试剂显色吸光光度法测定碳酸钴中铵，实验结果显示线性范围为0~150滋g/50mL，相对标准偏差小于5%，回收率范围为
After pre-treating with fenton reagent, the absorption peak of absorbancy curve disappears. Then treating with flocculation, the rate of decoloration can be as high as 96.77%.
当Fenton试剂对其预处理后，吸光度曲线中的吸收峰消失，继续混凝处理，脱色率可达96.77%。
When the concentration of formaldehyde was higher, phenol reagent or deionized water should be selected to dilute the absorption solution to appropriate volume, however, taking into account the economy, the deionized water was preferred.
当甲醛浓度较高时，可采用去离子水或吸收液进行稀释，从经济的角度，首选去离子水。
The application of atom absorption spectrum apparatus to material analysis of metal, powder, liquid and chemical reagent in Battery's industry's material is introduced in this paper.
本文采用日本岛津公司、美国热电公司制造的原子吸收光谱仪的测定技术方法进行航天空间电源材料分析的应用，并提供分析方法、测试条件和干扰因素。
The application of atom absorption spectrum apparatus to material analysis of metal, powder, liquid and chemical reagent in aerospace electrical power system is introduced in this paper. The reliability and condition for the experiment are also presented.
介绍了原子吸收光谱仪在航天空间电源系统产品的金属、粉末、液体和化学试剂等材料分析中的应用，并提供了可靠性分析方法和测试条件。
Effects of color development temperature, color development time, absorption wavelength and color development reagent content on analysis results were investigated, and precision, accuracy and testing limits were also discussed.
考察了显色温度、显色时间、吸收波长和显色剂用量等对分析结果的影响，并对此分析方法的精密度、准确度以及检出限量等有关指标进行了探讨。
This paper has explored the experimental condition of ninhydrin colorimetry measuring the amino nitrogen content of soy sauce such as pH, maximum absorption wavelength, reaction time, color reagent doses etc. and got the optimum experiment conditions.
本文对茚三酮比色法测定酱油氨基氮含量的试验条件，如pH、最大吸收波长、反应时间、显色剂用量等进行了探讨，提出了最佳试验方案。
Through successful chemical cleaning practice to lithium bromide absorption refrigerator, the reagent selection, prescription and process of chemical cleaning for the lithium bromide absorption refrigerator were described.
通过溴化锂吸收式制冷机成功的化学清洗实践，介绍了溴化锂吸收式制冷机化学清洗的药剂选择、配方和工艺。
Chemical reagent & General rules for the molecular absorption spectrophotometry (ultraviolet and visible)
GB/T9721-1988化学试剂分子吸收分光光度法通则（紫外和可见光部分）
The Action of Organic Reagent Containing Sulfonic Acid Group in Flame Atomic Absorption Spectrometry
含磺酸基的有机试剂在火焰原子吸收光谱法中的作用
Determination of COD by UV absorption spectrum is a quick and simple analytical technique, which has the (advantages) of no reagent application, no digestion, and no secondary pollution.
利用紫外吸收光谱法直接测定COD是一种不用化学试剂、对样品无须加热消解、快速、简洁、无二次污染的绿色技术。
Preparation of anti-Rh (D) reagent serum by using Rh (D) positive erythrocyte absorption
用Rh（D）阳性红细胞吸收制备抗-D试剂血清