摩尔吸光系数
- 名molar absorptivity;molar absorption coefficient;molar absorbance index
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硫氰酸铋(Ⅲ)配合物UV光区摩尔吸光系数的研究
Study on the Molar Absorption Coefficients of Bi (ⅲ) Thiocyanate Complexes in UV Spectrum
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罗丹明B是常见的氧杂葸类染料,其具有摩尔吸光系数较大、激发波长较长和荧光量子产率高等优点。
Rhodamine B , the common xanthene dye , has the large molar extinction coefficient , long excitation wavelength and higher fluorescence quantum yield .
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在三种溶剂中研究硫氰酸钼(V)络合物的稳定常数和摩尔吸光系数
Studies on the stability constant and the molar extinction coefficient on the molybdenum ( V ) - thiocyanate in three solvents
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4&NP摩尔吸光系数的影响因素及对ALP测定结果影响的探讨
Study on The Influence on The Molar Absorptivity of 4 & NP and Influence on ALP Measurement
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[Co(SCN)n]~(2-n)配合物在二甲基亚砜丙酮水溶液中稳定常数和摩尔吸光系数的正交优选
The orthogonal optimum selection of stability constants and molar absorbance coefficients of Co ( SCN ) _n complexes in DMSO-Ketone-Water solution
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胺基区中谱带数目多、重叠严重、摩尔吸光系数随波数的变化较大,用以分析PU的氢键化并不理想。
Ir was not suitable to analyze hydrogen bonding by using NH stretching region because the features of this region were many band numbers , serious band overlap and large variable absorptivity coefficients with band frequency .
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彩色显影剂CD-4质子化常数和半醌摩尔吸光系数的测定
Measuring the molar extinction coefficient of semiquinone and the protonation constants of the color developer CD-4
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有色物质的摩尔吸光系数为4.38×104L/(mol·cm),方法的相对标准偏差为0.21%,方法回收率100.5%,亚硝酸氮的浓度在0.016~0.16μg/mL与吸光度有良好的线性关系。
The molar absorbance coefficient is 4.38 × 10 4L / ( mol · cm ), the relative standard deviation of the method is 0.21 % and the recovery is 100.5 % . The linearity for nitrite nitrogen is ranged 0.016 ~ 0.16 μ g / mL.
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其最大吸收位于520nm处,表观摩尔吸光系数为1.3×10~5,锡含量在0~11μg/25ml范围内符合比耳定律。
The maximum absorbance is situated at 520nm ; the observed mole absorption coefficient is 1.3 × 10 ~ ( - 5 ); the Beer 's law is obeyed when Sn content is in the range of 0 ~ 11 μ g / 25ml .
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摩尔吸光系数在分子荧光分析中的应用
The Analytical Application of Moore Absorption Coefficient in Molecule Fluorescence Spectra
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碘-烯烃复合物摩尔吸光系数的测定
On the Ultraviolet Spectrum of Iodine - alkene Complex
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辐射加工剂量学中摩尔吸光系数测定的若干问题初探
Some problems on the determination of molar absorptivity in dosimetry for radiation processing
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摩尔吸光系数与表观摩尔吸光系数的关系
The Relationship between Molar Absorption Coefficient & Apparent Molar Absorption Coefficient Moore Park Gardens
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双苯氧基萘并萘醌化合物较相应的单化合物有较大的摩尔吸光系数;
The maxium absorption wavelength and the molar absorption coefficient of these compounds are determined .
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铜(Ⅱ)-甘氨酸配合物紫外吸收光谱热力学摩尔吸光系数的研究
Study on the Thermodynamic Molar Absorption Coefficient of Cu (ⅱ) - Glycine Complexes in UV Spectrum
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锗和锌络合物的最大吸收波长分别在540和565nm处,摩尔吸光系数分别为1.66×105和4.35×104L。
The maximum absorption wavelengths of germanium and zinc complexes are 540 and 565 nm , respectively .
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摩尔吸光系数法测定酱渣饼和大豆异黄酮产品中总异黄酮含量的研究
Study on determination of isoflavone contents of soybean sauce cake and soybean isoflavones products by molar absorptivity
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水溶液中待测物质的低荧光量子产率或摩尔吸光系数使其痕量测定难度较大,故β-环糊精对其的荧光或吸光增敏作用从定量分析的角度而言颇具研究应用价值。
The low fluorescence quantum yield or small molar absorption coefficient of the analysed substances in aqueous solution precludes their trace amount determination .
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络合物的表观摩尔吸光系数为2.53×10~5。研究了其它离子的干扰及确定了容许量。
Apparent molar absorption coefficient is 2.53 × 10 ~ 5 . Interference due Io other ions are examined and their tolerance limits are also shown .
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PMBP&醋酸丁酯富集钪分离稀土元素;最后用半二甲酚橙显色测定钪,摩尔吸光系数为3.4×10~4;
Scandium concentration and rare earth metal separation were carried out by PMBP & butyl acetate before the determination of Sc with semixylenol orange as chromogenic reagent .
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测定了染料在丙酮中的最大吸收波长和摩尔吸光系数,计算了它们的溶解度参数。
Good correlation has been found between the absorption maxima of these dyes and their solubility parameters calculated is in good agreement to that of the fibre .
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银配合物的表观摩尔吸光系数3.06×10~5,银含量在0~10μg/25ml范围内服从比耳定律。
Apparent molar absorptive of the silver complex is 3.06 × l0 ~ 5 . Beer 's Law is obeyed for 0 ~ 10 μ g / 25ml of silver .
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为了研究分子结构与材料光学性能之间的关系,分别研究了喹啉类对称与不对称方酸菁的摩尔吸光系数、紫外最大吸收波长以及在溶液中的聚集效应。
In order to study the relations between molecular structures and optical properties , the molar absorption coefficient , the wavelength of maximum absorption and aggregation effect of squaraine dyes were studied .
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香豆素是一种性能优越的染料,其系列衍生物通常具有较大的摩尔吸光系数及较高的量子产率,作为荧光标记物,分子生物学和医学领域己有广泛的应用。
Coumarin-based dyes known by their excellent spectroscopic properties of large molar extinctions coefficient and high fluorescence quantum yield , have wildly used in the field of molecular biology sciences , medicine sciences .
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对聚合物给体材料来说,限制其光伏性能的因素包括吸收光谱窄、摩尔吸光系数低、分子能级不匹配及载荷子迁移率低等。
The limiting factors of the photovoltaic performances include the narrow absorption band , the low molar absorption coefficient , the unmatched molecular energy levels and the low charge-carrier mobility of the polymer donor materials .
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光度测定法中铜络合物的表观摩尔吸光系数为4.27×10~5,铜的浓度在0&5.4μg/25ml范围内符合比尔定律。
Apparent molar absorption coefficient of copper complex is 4.27 μ 105 in the proposed method for the spectrophotometric determination of copper , and the calibration curve is linear over the range Cu2 + 0-5.4 μ g / 25ml .
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同时采用紫外分光光度法对甾醇酯化衍生物的固体样品进行了分析测试,为液相色谱紫外检测提供了检测波长和各物质在该检测波长下的摩尔吸光系数。
The solid sample of phytosterols and their esters were also studied by the UV-vis spectral method . The detection wavelength for the analysis of HPLC and the molar extinction coefficient were offered by the UV-vis spectral method . 2 .
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对水溶液中存在数种有色物质的简单平衡体系,该法可方便地测得反应的平衡常数,各有色物质的摩尔吸光系数及各物质的平衡浓度。
For the equilibrium system which involves a few coloured species , this method can conveniently be employed to determine the equilibrium constant , the molar absorptivity of individual coloured species and the equilibrium concentration of individual species in the solution .
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阐述摩尔吸光系数、入射光强度、荧光强度、检测器的灵敏度和仪器的光学系统损耗与入射光波长的函数关系,初步提出了较为完整的分子荧光定性、定量理论表达式。
This paper expound the relations between Moore absorption coefficient , intensity of incidence light , intensity of fluorescence , sensitivity of detector , lose of instrument optics system end wavelength . The more complete qualitative and quantitative formula of molecule fluorescence was put forward .