a simplified method for the determination of bulldozing resistance

... separation of the analytes The increase in the BGE concentration led to the prolongation of the migration time of the analytes When 10 mM Lac/β-Ala was used, peaks were broadened and many of them ... set at the beginning of the separation The software Chart v.5.5.6 from eDAQ (Deninstone East, NSW, Australia) was used for data recording The software Peakmaster v.5.3 [31] was used for the calculation ... The particular case of the separation and determination of metal cations by CE-C4D has attracted the interest of several researchers in the last decade Many different kinds of samples have been

Ngày tải lên: 16/12/2017, 08:48

... [10,15] There are at least two main reasons for this observation When using the FI system instead of the batch system, the concentration of the reductant is usually lower and formation of the interfering ... of the transition metal ion to the interfering species Also the separation of the hydrides from the sample matrix is very fast in a gas–liquid separator In this study, the parameters for the determination ... instrumental parameters are shown in Tables and 2; they were mainly chosen according to the manufacturer’s recommendations 2.2 Reagents and standard solutions All reagents were of analytical-reagent

Ngày tải lên: 22/04/2020, 19:51

... that AA and UA could be separated Thus, simultaneous detection of UA and AA was possible and the limit of detection for UA was 1.4 × 10 −5 M 15 For the simultaneous determination of DA, AA, and ... has a peak at about V and thus an overlap with the UA peak may take place A polarogram of × 10 −5 M copper(II) in this medium had a peak at –0.2 V; with the addition of 0.1 mL of × 10 −3 M UA, ... than the concentration of DA When AA was added to the polarographic cell containing phosphate buffer (pH 10–12) it had an anodic peak at about –0.20 V Since the UA peak is at about –0.15 V there

Ngày tải lên: 12/01/2022, 23:01

... chromatography as a rapid single-step method for the determination of mineral oil saturated and aromatic hydrocarbons in purified mineral oils for food and cosmetics applications Alan Rodrigo Garc? ?a- Cicourel ... for the determination of mineral oil saturated hydrocarbons (MOSH) and mineral oil aromatic hydrocarbons (MOAH) in purified mineral oil samples The method requires no sample preparation apart ... quantification of MOSH and MOAH was possible for samples with MOSH/MOAH ratios around one For other samples deconvolution of the MOSH and MOAH humps in the FID chromatogram using the UV signal

Ngày tải lên: 25/12/2022, 00:48

... Standardisation [7] as no such harmonised European or international standard is available at present A number of methods for the determination of PAHs in a variety of matrices, that are in most cases ... separately available and could be analysed with regard to their PAH content Assuming that carbon black and the distilled aromatic extracts were the only sources of PAHs, the theoretical final mass-concentration ... formulations containing carbon black Not tested for plastic materials Method for determination of PAHs in footwear materials Not specific for rubber and plastic materials Method for determination of

Ngày tải lên: 31/12/2022, 09:50

... Emitting Materials F Rapidly Renewable Materials TOTAL PERFORMANCE Item Weight 25 19 19 25 550 Unit of Measurement Availability $/CY Qualification R Value Qualification Qualification Performance Rating ... Emitting Materials F Rapidly Renewable Materials TOTAL PERFORMANCE Item Weight 25 19 19 25 550 Unit of Measurement Availability $/CY Qualification R Value Qualification Qualification Performance Rating ... Emitting Materials F Rapidly Renewable Materials TOTAL PERFORMANCE Item Weight 25 19 19 25 100 Unit of Measurement Availability $/sf Qualification R Value Qualification Qualification Performance Rating

Ngày tải lên: 01/06/2018, 14:49

... chromatogram of the blank sample, no peak was observed in a period of - 10 minutes The chromatograms of both the test sample and the standard sample had peak at approximately 8.8 minutes From there, ... that at the NIF concentration of about 80% to 120% compared to the quantitative concentration, the quantitation method achieved good accuracy and repeatability Thus, the specified range of the method ... Journal of military pharmaco-medicine no9-2019 It was found that the mobile phase with the ratio of MeOH:H2O (65:35, v/v) was selected for quantitative analysis of NIF, because of good separation

Ngày tải lên: 14/01/2020, 21:45

... Anubhuti Sharma*, Rajesh Khulbe, Salej Sood, Pawan Kumar Agrawal, Jagdish Chandra Bhatt and Arunav Pattanayak ICAR-Vivekananda Institute of Hill Agriculture Almora, Uttarakhand–263 601, India *Corresponding ... Venkateswara, Rao S., Ayya, Raju M and Kammakshamma, J 2013 Phytochemical screening and antioxidant activity of bark extracts of Chionanthus zeylanica Linn as an important medicinal plant in Eastern ... (Dist Champawat, Uttarakhand) for providing valuable information on the traditional use of bark of Boehmeria rugulosa The necessary facilities extended by ICAR-VPKAS, Almora for carrying out the

Ngày tải lên: 22/07/2020, 23:20

... Secretariat has the same status as the official versions CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, ... Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom EUROPEAN COMMITTEE ... members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration Up-to-date

Ngày tải lên: 18/02/2021, 15:24

... for the determination of cabazitaxel Stability indicating RP-HPLC method for the determination of cabazitaxel Quantification of cabazitaxel in human plasma by liquid chromatography/triple quadrupole ... use and testing of stability samples for the related substances as well as assay of Cabazitaxel in Cabazitaxel Injection ACKNOWLEDGEMENT Dr Amrish Chandra, Dr Girendra Kumar Gautam and Anjani Lata ... degradation REFERENCES M Mathrusri Annapurna, K Pramadvara, B Venkatesh and G.Sowjanya, Stability indicating RP-HPLC method for thedetermination of cabazitaxel, Indo American Journal of Pharmaceutical

Ngày tải lên: 04/03/2021, 15:20

... the commonly used methods for acrylamide quantification include external standard and internal standard method For determination of acrylamide in foods, an external quantitative analysis revealed ... complex and the extraction yields strongly vary (Basilicata et al., 2005; Ito & Tsukada, 2001) The quantification was performed by the method of standard addition as follows: a set of GC peak area of ... 269–275 Basilicata, P., Miraglia, N., Pieri, M., Acampora, A. , Soleo, L., & Sanolo, N (2005) Application of the standard addition approach for the quantification of urinary benzene Journal of Chromatography

Ngày tải lên: 12/09/2021, 13:01

... when the baseline signal reaches a steady state; the instrument leads to automated reading of the analytical signal and the consequent data treatment Although the analytical method is based on an ... capable of making quantitative estimations directly on the field and to the rather short times available when receiving the grapes in the wine cellar, the evaluation is nowadays made by visual ... processes affect the taste of the wine finally produced For this reason, the sanitary quality of the grapes has to be very carefully evaluated before any processing Due to the lack of portable instruments

Ngày tải lên: 01/11/2022, 09:54

... and validated for determination of cefuroxime axetil in bulk and pharmaceutical formulation using methanol as solvent The spectral data for the determination of λmax is shown in Fig. 1A The wavelength ... the Determination of Cefuroxime Axetil in Bulk and Pharmaceutical Formulation S B Amir1, M A Hossain1 and M A Mazid2* Department of Pharmacy, Manarat International University, Gulshan, Dhaka-1212, ... showed that the proposed method had acceptable level of accuracy for cefuroxime axetil The inter-day precision of the method was also evaluated at three different times of the day, while intra-day

Ngày tải lên: 02/11/2022, 09:24

... the peak area of EZE spiked in plasma before extraction divided by the peak area of the standard solution of EZE at the same concentration Relative recovery was calculated as the peak area of EZE ... ng mL −1 The calibration curve was constructed by plotting the peak area ratio (peak area of EZE to peak area of IS) versus the concentration of EZE Standard deviations at each calibration point ... ether, and MSTFA) were examined Peak area ratio of EZE to IS was selected as response 2.7 Statistical analysis Statistical analysis of the results was carried out using Minitab statistical software

Ngày tải lên: 12/01/2022, 22:50

... partial difference equations of three and four variables The aim of this paper is to present the generalization of this functional-analytic method for the study of linear and nonlinear partial difference ... give the generalization of a recently developed functional-analytic method for studying linear and nonlinear, ordinary and partial, difference equations in the and p p spaces, p ∈ N, p ≥ The method ... details, see [11] and the references therein) Also, by assuring the existence of a solution of a difference equation in the space or , we obtain information regarding the asymptotic behavior of the

Ngày tải lên: 23/06/2014, 00:20

... concentrate enough. This includes the following four series’ of letters: LTPEAOAISTDA- LAA, ANIABFSAMPZEOAD, PAKLATSXTOEABAA and ZYFMTSAHEOAAPAT. The first and third group include five ‘ A? ?? s, ... it is an index of correlation and not an index of agreement [19-21]. The calculation of means and standard deviations for each SCCT item and total score during the rating by each examiner may provide ... score s and develop a scoring method for the scale. The Pearson’s R correlation coefficient, factor analysis (varimax normalized rotation) and item analysis [18] (calculation of Cronbach’s a) wereusedto

Ngày tải lên: 09/08/2014, 01:21

... the nanoparticles by studying the images indicates that the synthesized size nanoparticles are less than 100 nm. That means the synthesized catalysts have nano dimension. Also, the analysis ... Chemical Research www.jacr.kiau.ac.ir A Novel Method for the Synthesis of CaO Nanoparticle for the Decomposition of Sulfurous Pollutant Meysam Sadeghi *1 , Mir Hassan Husseini 2 1,2 Department ... analysis For the evaluation of the reaction of 2-CEPS as a sulfurous pollutant on the CaO NPs/ Polyvinyl pyrrolidone (PVP) surface at ambient temperature GC analysis was selected. The effects of the...

Ngày tải lên: 06/05/2014, 08:55

... integrated and comprehensive approach towards the promotion of healthy diets and physical activity V.8.1. A coherent and comprehensive approach aimed at making the healthy choices available, affordable ... lack of physical activity are therefore the leading causes of avoidable illness and premature death in Europe. 7. The underlying determinants of the risk factors for the major chronic diseases ... Platform for Action on Diet, Physical Activity and Health IV.1.1. In order to establish a common forum for action the European Platform for Action on Diet, Physical Activity and Health was launched...

Ngày tải lên: 14/02/2014, 13:20

... therefore on the movement of all the other particles. In the present case we can take π B = π A , which has the great advantage that the path of ρ does not depend on the paths of the other particles. ... t) has the same distribution at the space-time point (x + y, t + s)asthe full-space process (started at (0, 0)) at the point (y, s). Again we shall use the same random walk paths π A for all the ... basic inequalities remain valid for k = 1 by trivial modifications which we again leave to the reader. For the various estimates we have to take all t k large. This will automatically be the case...

Ngày tải lên: 16/02/2014, 06:20

... upon arrival at the farm, so that the conditions are favorable for rapid fermentation. Many of the taints that bother factories are directly traceable to such a cause. A few dirty patrons will ... made in an approximate manner so as to serve as a test at the weigh-can or intake. The test is best made by the use of the well known alkaline tablet which is composed of a solid alkali, and ... hydrogen, carbon, oxygen, together with a limited amount of mineral matter. The nitrogen and carbon are most available in the form of organic compounds, such as albuminous material. Carbon in the form...

Ngày tải lên: 16/02/2014, 22:20