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Chlorine atoms

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Poly(vinyl chloride) functionalization by aliphatic and aromatic amines: application to the extraction of some metal cations

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One of the obtained polymers gave an extraction ratio of Sn 2. 87.1%, which highlight the importance of the substitution of chlorine atoms by diethylenetriamine groups. A kinetic study of the extraction shows that the optimal duration of extraction was obtained with the polymer that has more chlorine atoms substituted by diethylenetriamine groups.

Syntheses and characterizations of cyclotriphosphazenes containing a 4-oxy-1-naphthaldehyde group

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The mass and elemental analyses of compound 4 reveal that two of the chlorine atoms in the trimer were replaced by a 4 ′ -oxy-1 ′ -naphthaldehyde group.

Nucleophilic substitution reactions of monofunctional nucleophilic reagents with cyclotriphosphazenes containing 2,2-dioxybiphenyl units

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Moreover, the MALDI-TOF MS and elemental analyses of the cyclotriphosphazene derivatives (7 and 8) revealed that four chlorine atoms were substituted by the cyclo- propanemethylamino or aniline groups. 31 P decoupled NMR spectrum of compound 7.. 31 P NMR parameters of the cyclotriphosphazene derivatives (7–11)..

Preparation of epoxidized sunflower oil metal soap derivatives and their use as heat stabilizers for polyvinyl chloride

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Thermal degradation of PVC is due to irregular structures responsible for the formation of labile chlorine atoms. It is well known that plasticized PVC undergoes degradation with increasing temperature in a process called dehydrochlorination, elimination of HCl with creation of conjugated double bonds, followed by a color change of the polymer that varies from yellow to orange red, brown, and finally black. bond located in the alpha position of the chlorine.

Antioxidant potential and secondary reactivity of bis{diphenyl(2-pyridyl)phosphino}copper(II) complex

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The X-ray structure of complex 1 along with selected bond lengths and angles is shown in Figure 1 and the data pertinent to crystal structure determination and refinements are summarized in Table 1. 28 The copper atom is coordinated to the phosphine ligand through a comparatively soft center (phosphorus) and two chlorine atoms.

Data Mining and Knowledge Discovery Handbook, 2 Edition part 93

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For example, referring to the chlorine atom A1 in the right subtree of the tree in Figure 46.3 makes no sense, as going along the right (no) branch means that the compound contains no chlorine atoms.. The actual test that has to be executed in a node is the conjunction of the literals in the node itself and the literals on the path from the root of the tree to the node in question.

Synthesis, spectroscopic characterization, and biological screening of binuclear transition metal complexes of bicompartmental Schiff bases containing indole and resorcinol moieties

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Loss due to 2 chlorine atoms. Loss due to remaining organic moiety 1b. Loss due to 2 chlorine molecules. Loss due to 2 indole (2C 15 H 10 N 2 O) molecules Up to 850. Loss due to remaining organic moiety. Loss due to 2 indole (2C 15 H 10 N 2 OCl). Powder XRD patterns of Cu(II), Ni(II), and Zn(II) complexes of ligand 1 were studied in order to test the degree of crystallinity of the complexes.. Powder XRD pattern for Cu(II) complex (1a) showed 12 reflections in the range of 3–80 ◦ (2 θ.

Carbon Based Magnetism

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Replacement of the fluorine atoms by chlorine atoms yields CI2PIMNH. The difference is related to the difference in magnitude of the NNN interactions. The magnitude of the magnetic exchange coupling is related to the delocalization of the unpaired n electrons. The bathochromic shift corresponds to greater delocalization of the unpaired % electrons. (b) Schematic diagram of the magnetic model of a BIP-TENO molecule. The scheme of the exchange coupling in a PNNBNO molecule is shown in Fig.

Synthesis and structural properties of N -3,4-(dichlorophenyl)-3-oxo-3- phenyl-2-(phenylcarbonyl)propanamide and its Cu(II) complex

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As shown in Figure 2, the C17–C22 benzene ring of compound 3 with the two chlorine atoms attached makes dihedral angles of 71.62(14. respectively, with the terminal phenyl rings (C1–C6 and C10–. 14 In the crystal structure, neighboring molecules were linked by N–H...O and C–H...O hydrogen bonds, forming a three-dimensional network (Table 1. As a first approach, we carried out the geometry optimization of compound 3 and complex compound 4..

The Encyclopedia Of Nutrition And Good Health - S

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Splenda is produced in the lab by replacing parts of the sugar molecule with chlorine atoms, so that the vast majority of the resulting compound is not absorbed by the body. “Sulfite Sensitivity: Significance in Human Health,” Journal of the American College of Nutrition . The body contains 140 g of sulfur, primarily in the form of the sulfur-containing amino acids, METHIONINE. Instead sul- fate is produced in the body primarily by oxidation of the sulfur-containing amino acids.

Evaluation of the enrichment and amplification effect of pentachlorobenzene with lower bioconcentration in the food chain before and after modification

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Furthermore, the enrichment capacity of the modified pentachlorobenzene in some edible animals (such as pigs, cows, sheep, chickens, ducks, rabbits, and fish) also decreased.. depending on the number and position of the chlorine atoms in the benzene ring, there are 12 homologues.

Phan ung the goc

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Initiation Step A chlorine molecule splits homolytically into chlorine atoms (free radicals) Cl Cl + photon (h) Cl + Cl THE CHLORINE ATOM IS ELECTROPHILIC - LEWIS ACID SEEKS AN ELECTRON TO REGAIN OCTET OF ELECTRONS USUALLY ABSTRACTS A HYDROGEN ATOM. H H H C H + Cl H C + H Cl H H Methyl radicals is also electrophilic ­seeks e. H H H C + Cl Cl H C Cl + Cl H H chlorine atom then attacks another methyl.

Phan ung the goc

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Initiation Step A chlorine molecule splits homolytically into chlorine atoms (free radicals) Cl Cl + photon (h) Cl + Cl THE CHLORINE ATOM IS ELECTROPHILIC - LEWIS ACID SEEKS AN ELECTRON TO REGAIN OCTET OF ELECTRONS USUALLY ABSTRACTS A HYDROGEN ATOM. H H H C H + Cl H C + H Cl H H Methyl radicals is also electrophilic ­seeks e. H H H C + Cl Cl H C Cl + Cl H H chlorine atom then attacks another methyl.

Chlorine là gì

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Tại Việt Nam, chlorine được sử dụng phổ biếntrong thuỷ sản, ngành dệt, giấy và xử lý nước như: xử lý nước nuôi thuỷ sản, vệ sinh trongcác cơ sở sản xuất thuỷ sản, xử lý nước thải, tẩy trắng giấy, vải sợi,…Chlorine có các dạng tự do cholorine hay hypochlorite.

Atoms Molecules and Photons Demtroder (2005)

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Principle setup of the transmission electron microscope. of the interacting atoms. because the mean velocity of the atoms is v. the half period ∆ T f of the AC voltage. path of the electrons then follows a parabola z ( x. of the incident electron.. and the kinetic energy of the incoming electrons. (a) Illustration of the helical path. (b) Definition of the focal length. of the electron in the atom A.. For an illustration of the achievable resolution m.

Lecture General Chemistry 1 - Chapter 2: Atoms, Molecules, and Ions

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Isotopes are atoms of the same element with different masses.. In the bulk scale we use large amounts of atoms and molecules, therefore we use average atomic masses in calculations.. Atomic Masses of the Elements. Isotopic mass is the mass in amu (u), of a particular isotope of an element.. Different isotopes of an element all react essentially the same, so a weighted average of isotopic masses can be used in. Average atomic mass is known as the atomic weight..

Effect of disinfection solution diox forte (chlorine dioxide clo ) on prolonging shelflife

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EFFECT OF DISINFECTION SOLUTION DIOX FORTE (CHLORINE DIOXIDE - CLO 2 ) ON PROLONGING SHELFLIFE. OF GRAPES AND TOMATOES. This paper reports a study of the effect of disinfection solution Diox Forte (chlorine dioxide - ClO 2 ) at and 160 ppm on the shelflife of grapes and tomatoes at room temperature and cold store (5 o C). The shelflives of grapes and tomatoes were significantly increased when treated with Diox Forte at 40 ppm for grapes and 10 – 20 ppm for tomatoes.

Sơ đồ bố trí hệ thống đo Chlorine và TDS tại nhà máy Coca-cola Đà Nẵng

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Products Solutions Services Sơ đồ bố trí hệ thống đo Chlorine và TDS tại nhà máy Coca-cola Đà Nẵng NK ENGINEERING Co., Ltd Slide NK Engineering Khu vực nhà xử lý nước – Đo chỉ tiêu Chlorine 1 tủ điện chứa Transmitter, 1 tủ điện chứa Recorder Slide NK Engineering Khu vực nhà xử lý nước – Đo chỉ tiêu Chlorine 1 tủ điện chứa Transmitter, 1 tủ điện chứa Recorder Slide NK Engineering Khu vực nhà xử lý nước – Đo chỉ tiêu Chlorine 1 tủ điện chứa Transmitter, 1 tủ điện chứa Recorder Slide NK Engineering

ẢNH HƯỞNG CỦA CHLORINE ĐẾN SỰ HÌNH THÀNH HỢP CHẤT CHLORAMINE VÀ METHEMOGLOBINE TRONG MÁU CÁ RÔ PHI (OREOCHROMIS NILOTICUS)

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Ở nồng độ chlorine thấp (≤0,62 mg Cl/L) trong 24 giờ đầu hầu hết cá giảm hoạt động bơi lội, tập trung dưới đáy bể.. theo thời gian và theo nồng độ chlorine thí nghiệm Nồng độ chlorine.

Diffusion of interstitial atoms in interstitial alloys FeSi and FeH with BCC structure under pressure

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DIFFUSION OF INTERSTITIAL ATOMS IN INTERSTITIAL ALLOYS DIFFUSION OF INTERSTITIAL ATOMS IN INTERSTITIAL ALLOYS DIFFUSION OF INTERSTITIAL ATOMS IN INTERSTITIAL ALLOYS DIFFUSION OF INTERSTITIAL ATOMS IN INTERSTITIAL ALLOYS.