Cloud point
Cloud point in non-ionic surfactants probed by electrical impedance spectroscopy.
... CLOUD POINT IN NON-IONIC SURFACTANTS PROBED BY ELECTRICAL IMPEDANCE SPECTROSCOPY. In this paper, we analyze the use of electrical impedance spectroscopy applied to determination of cloud ...
5
J. Braz. Chem. Soc. vol.20 número5
... wavelength, lamp current and spectral bandwidth used, were 240.7 nm, 10 mA and 0.2 nm, respectively. A single line flow injection system consisted of a peristaltic pump (Ismatic, MS-REGLO/8-100, Zurich, Switzerland) and ...
7
Braz. J. Chem. Eng. vol.31 número4
... the cloud point (Warr et ...the cloud point of non- ionic surfactant solutions, depending on the salting- out or salting-in nature of the salt species (Weckström, Zulauf, 1985; Koshy et ...the ...
8
J. Braz. Chem. Soc. vol.27 número4
... the cloud point extraction procedure, two types of multivariate experimental designs were applied: (i) a Doehlert design, to optimize the method’s variables (pH and heating time) and (ii) a constrained ...
8
J. Braz. Chem. Soc. vol.17 número1
... new cloud point extraction and preconcentration method for copper by the use of 2-[2´- (6-methyl-benzothiazolylazo)]-4-bromophenol (Me- BTABr) reagent as a complexing agent prior to flame atomic absorption ...
6
BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
... For combustion engines to perform well, it is necessary that the fuel used be of high quality. Fuel quality can be analyzed through different physicochemical properties. This study presents comparisons between the values ...
8
J. Braz. Chem. Soc. vol.27 número9
... micro-cloud point extraction procedure using triton X-114 surfactant as extracting phase was developed for preconcentration and extraction of three azo dyes (orange G, methyl orange, and acid red 18) from ...
6
J. Braz. Chem. Soc. vol.18 número7
... extraction is probably the most versatile and simplest method for the preconcentration and extraction of hydrophobic species from water. The technique is based upon a property of most non-ionic surfactants in aqueous ...
5
J. Braz. Chem. Soc. vol.25 número4
... synergistic cloud point extraction procedure has been developed for the separation and preconcentration of trace amounts of lead from food and water samples by flame atomic absorption spectrometry ...
7
Desenvolvimento de procedimentos analíticos em fluxo explorando difusão gasosa ou...
... on-line cloud point extraction (CPE): (i) the surfactant-rich phase was retained directly into the flow cell to avoid dilution prior to detection; (ii) solenoid micro-pumps were explored to improve mixing ...
165
J. Braz. Chem. Soc. vol.19 número8
... The purpose of this study is to propose a method for the spectrophotometric determination of ammonia after preconcentration in a simple cloud point extraction (CPE) process. The method is based on the color ...
7
J. Braz. Chem. Soc. vol.20 número8
... After conventional acid digestion combining ash and wet digestion and optimized cloud point extraction using Br-PADAP as a complexing agent, commercial tobacco samples were analyzed using TS-FF-AAS. Cadmium ...
7
J. Braz. Chem. Soc. vol.23 número12
... of cloud point extraction (CPE) and hydride generation (HG) for determination of Sb and Se using inductively coupled plasma optical emission spectrometry (ICP ...
11
EVALUATING THE POTENTIAL OF RTK-UAV FOR AUTOMATIC POINT CLOUD GENERATION IN 3D RAPID MAPPING
... 3D point cloud acquisition offers potentials because of its flexibility and practicability combined with low cost implementations (Rosnell, 2012; Fritz, ...
6
PAIRWISE LINKAGE FOR POINT CLOUD SEGMENTATION
... the point cloud- s into 5 clusters according to their ...the point cloud segmentation (Yamauchi et ...the point cloud segmentation methods based on clustering can only discover ...
8
AUTOMATIC CREATION OF STRUCTURAL MODELS FROM POINT CLOUD DATA: THE CASE OF MASONRY STRUCTURES
... 3D point cloud data to detailed structural models, which has special relevance in masonry structures where geometry plays a key ...of point cloud are constrained by the scanning instruments, ...
7
ACCURACY ANALYSIS OF KINECT DEPTH DATA
... a point cloud obtained by a high-end laser scanner. The Kinect point cloud was obtained from the disparity image using Equations (4) and (5) and the calibration parameters from the previous ...
6
2D Cloud Template Matching - A comparison between Iterative Closest Point and Perfect Match
... Abstract—Self-localization of mobile robots in the environ- ment is one of the most fundamental problems in the robotics field. It is a complex and challenging problem due to the high requirements of autonomous mobile ...
7
Shape distribution features for point cloud analysis – a geometric histogram approach on multiple scales
... 4.3.2 Qualitative Analysis. Figures 6 and 7 depict shape dis- tribution classification results as coloured point clouds for qual- itative analysis in particular areas. Both the gable roof and tree visible in ...
8
Synergy Between LiDAR and Image Data in Context of Building Extraction
... principal point, and lens distortion coefficients) and exterior (attitude and PC coordinates of the camera) orientation parameters, and 3D models of two ...(with point density of about 2 ...
5