determination of parameters and pretreatment solution for

Simultaneous Voltammetric Determination of

The investigated parameters were the pulse amplitude (a) scan rate (v) and modulation time (t) Table 1 shows range of studied instrumental parameters and their optimum values for this simultaneous determination These parameters were optimized in phosphate buffer solution (pH 7 0) containing 46 mol L-1 AML and 570 mol L-1 ATN

Determination of optimal biomass pretreatment

2018-5-18Pretreatment of lignocellulosic biomass (LCB) is a key step for its efficient bioconversion into ethanol Determining the best pretreatment and its parameters requires monitoring its impacts on the biomass material Here we used fluorescent protein-tagged carbohydrate-binding modules method (FTCM)-depletion assay to study the relationship between surface-exposed polysaccharides and

Study of Isothermal Kinetic and Thermodynamic

Pretreatment of Sorbents Saccharum arundinaceum was pretreated with HCl (0 1 M) and NaOH (0 1 M) to evaluate the effects of acid and base treatments on pore size that is pore area pore volume and sorption capacity For chemical treatment the sorbent (20 g) was stirred for 4 h in 1 L solution of 0 1 M NaOH or HCl followed by filtration and

Process optimization and effect of thermal alkaline H

2020-5-6For alkaline pretreatment by adding an adequate amount of the 1 N NaOH solution to the activated sludge which was filled in 1-l glasses the pH of the containers was set at the particular numbers In pretreatment with H 2 O 2 values of 30 and 60 mg of H 2 O 2 /g TS were added to the activated sludge in the glasses Moreover in dual and

A Simple and Sensitive Method for Rapid Determination

2019-7-24any pretreatment LC Conditions and MS Parameters The LC method and MS source parameters are shown in Table 1 Two C18 columns (Bownlee SPP C18 50 x 3 mm 2 7 m) were used in this study: one was used as a delay column to separate possible interferent perfluorinated components (PFCs) coming from the LC system another was used as the analytical

Copper determination by ETAAS in fish tissue cytosols

2016-5-17Dragun Zrinka Raspor Biserka Copper determination by ETAAS in fish tissue cytosols with minimal sample pretreatment // Atomic spectroscopy 29 (2008) 3 107-113 7 1 and multielement hollow cathode lamp (Cu/Zn) was employed in this study Argon 2 (99 99% purity) was used as a purge gas The instrumental parameters are presented in 3 Table I

Search results for: pretreatment

The two pretreatment types were modelled optimized and validated with R 0 97 Reducing sugar yields of 1 21g/g were obtained with optimized SSA pretreatment using 1 73M ZnCl₂ 1 36M NaOH and 9 69% solid loading and 1 17g/g with optimized MSA pretreatment using

Understanding of alkaline pretreatment parameters

Investigation of alkaline hydrogen peroxide pretreatment and Tween 80 to enhance enzymatic hydrolysis of sugarcane bagasse Understanding of alkaline pretreatment parameters for corn stover enzymatic saccharification Biotechnology for Biofuels Jan 2013 Ye Chen Mark A Stevens Yongming

A Tailored High

Reliable simultaneous quantification of multiple phytohormoness is important for studying their crosstalks With a tailored high-efficiency sample pretreatment method a high-sensitivity and high-throughput approach is developed for simultaneous quantitative analysis of 10 currently known classes of phytohormones in this study

Optimization of pretreatment parameters for ISE

2020-2-4Optimization of pretreatment parameters for ISE-based soil NO3--N detection: Linan Zhang 1 2 Miao Zhang 1 2 * Mingya Sheng 1 2 Li Li 1 2 Yajing Zhang 3: 1 Key Laboratory on Modern Precision Agriculture System Integration Research of Ministry of Education China Agricultural University Beijing 100083 China 2

Determination of citric acid pretreatment effect on

Determination of citric acid pretreatment effect on nutrient content bioactive components and total antioxidant capacity of dried sweet potato flour Kulto and SPK006/6/6 performed better for most of the parameters studied followed by SPK00/06 For almost all varieties samples dried at 55C and after treated in 3% CA solution had the

Pretreatment of Aqueous Pectin Solution by Cross

2015-2-14Pretreatment of Aqueous Pectin Solution by Cross-Flow Microfiltration: Study on Fouling Mechanism residues SSR and coefficient of determination R2 were determined as the evaluation criteria of the models The mean experimental values were adopted for parameters J LIM and Jo adjusting only the k n parameter III

PROC GLM: Analysis of Covariance :: SAS/STAT(R) 9 2

The analysis of covariance plot Output 39 4 6 makes it clear that the control (drug F) has higher posttreatment scores across the range of pretreatment scores while the fitted models for the two antibiotics (drugs A and D) nearly coincide Similarly while the diffogram Output 39 4 7 indicates that none of the LS-mean differences are significant at the 5% level the difference between the LS

Methods for Pretreatment of Lignocellulosic Biomass

2019-12-12Biofuels produced from various lignocellulosic materials such as wood agricultural or forest residues have the potential to be a valuable substitute for or complement to gasoline Many physicochemical structural and compositional factors hinder the hydrolysis of cellulose present in biomass to sugars and other organic compounds that can later be converted to fuels

Determination of Various Parameters during Thermal

Downloadable! Pretreatment of waste materials could help in more efficient waste management Various pretreatment methods exist each one having its own advantages and disadvantages Moreover a certain pretreatment technique might be efficient and economical for one feedstock while not for another Thus it is important to analyze how parameters change during pretreatment

Determination of Trace Metals in Waste Water and

2012-3-9Giacomino et al investigated parameters affecting the determination of mercury by anodic stripping voltammetry using a gold electrode Potential wave forms (linear sweep differential pulse square wave) potential scan parameters deposition time deposition potential and surface cleaning procedures were examined for their effect on the

Particle Size Analysis for Soil Texture Determination

Particle Size Analysis for Soil Texture Determination (Hydrometer Method) Active In use from 2008-07-01 Abstract This method quantitatively determines the physical proportions of three sizes of primary soil particles as determined by their settling rates in an aqueous solution using a hydrometer

Determination of Solubility Parameters of Ionic

The total and partial solubility parameters (dispersion polar and hydrogen‐bonding solubility parameters) of ten ionic liquids were determined Intrinsic viscosity approaches were used that encompassed a one‐dimensional method (1D‐Method) and two different three‐dimensional methods

Copper determination by ETAAS in fish tissue cytosols

2016-5-17Dragun Zrinka Raspor Biserka Copper determination by ETAAS in fish tissue cytosols with minimal sample pretreatment // Atomic spectroscopy 29 (2008) 3 107-113 7 1 and multielement hollow cathode lamp (Cu/Zn) was employed in this study Argon 2 (99 99% purity) was used as a purge gas The instrumental parameters are presented in 3 Table I

Mercerization and Enzymatic Pretreatment of Cellulose in

2013-5-17specifically the parameters studied were the effect of mercerization at different the solubility of pulp increased in a NaOH/ZnO solution from 29% for untreated pulp u p to 81% for enzymatic pre treated pulp ii area determination by NMR which was performe d by the co -author

Understanding of alkaline pretreatment parameters

2013-1-28Previous research on alkaline pretreatment has mainly focused on optimization of the process parameters to improve substrate digestibility To achieve satisfactory sugar yield extremely high chemical loading and enzyme dosages were typically used Relatively little attention has been paid to reduction of chemical consumption and process waste management which has proven to be an

Influence of Biomass Pretreatment Process Time on

sodium thiosulphate solution III RESULTS AND DISCUSSION The time of biomass treatment is one of the main technological parameters To study the influence of the biomass pretreatment time on the formation of furfural dynamics and its yield we selected nine different residence times i e 10 20 30 40 50 60 70 80 and 90 min In order to

Simultaneous Voltammetric Determination of

The investigated parameters were the pulse amplitude (a) scan rate (v) and modulation time (t) Table 1 shows range of studied instrumental parameters and their optimum values for this simultaneous determination These parameters were optimized in phosphate buffer solution (pH 7 0) containing 46 mol L-1 AML and 570 mol L-1 ATN