aexit options 退出选择 [translate] aMeasure the absorbance of the solution at 416nm, using Hexyl Alcohol as the blank 测量解答的吸光度在416nm,使用己基的酒精作为空白 [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 意大利语翻译 荷兰语翻译...
Chapter 4/ Lesson 5 45K Beer's law expresses the relationship between light intensity and the concentration of a substance through a formula. Learn the background of light transmittance and absorbance, and how the equation of Beer's law is used in science. ...
of portions of the measurement object sample, and to provide a spectroscopic analyzer using such an estimation method.SOLUTION: A method for estimating absorbance distribution of a sample with an approximate expression on the basis of amounts of light that has passed through a plurality of portions...
Lipophilic antioxidants can also be evaluated using a solution of acetone/water (1:1, v/v) containing 7% randomly methylated β-cyclodextrin with the same probe.68 However, fluorescein is not sufficiently lipid soluble, and its fluorescence intensity in non-polar organic solvents is rather low...
with higher intensity at longer wavelengths. A solution absorbance of 2.2 at 475 nm would thus result in about 125 counts reaching the detector. However, an uncorrected stray light level at 475 nm equal to 0.05% of the longer wavelength light would add about 20 counts to the measurement, res...
as for the absorbance measurements(Table I), |dr/dx|value, differentiation of the absorbance ratio by the reciprocal of neutralization grade, must be more than 35, and as for the addition of volumetric standard solution (Table II), the determination is carried out precisely in case a whole ...
Four types of cutoff reports are supported; ranged constant, single constant, formula and ratio. These and their subtypes are listed below. a. Ranged Constant The user inputs Positive and Negative values to be used as the cutoff. For units designated "Abs", if the absorbance of a well is...
For this experiment, standard solution of LAM and INH (15 + 15 µg/mL) was prepared and analyzed six times as per the proposed method. 3.4. Intermediate Precision (Between-Run Precision) It is the concordance of a series of measurements of the same quantity when the experiments are ...
3.3.3 CONTINUING CALIBRATION CHECK (CCC) - An OC-CAL solution which is analyzed periodically to verify the accuracy of the existing calibration of the instrument (Sect. 10.3). 3.4 DISSOLVED ORGANIC CARBON (DOC) - Organic matter, contained in a water sample that is soluble and/or colloidal, ...
were prepared in HPLC-grade water at a concen- tubes and centrifuged (2800 rpm for 15 min at 4 8C) tration of 1.0 mg/ ml. Stock solutions of 3TC, ABC, within 15 min after collection. Plasma was trans- AZT and Nvp were prepared in a solution of 60% ferred to clean cryovials an...