Physical Chemistry Lab Report
Physical Chemistry Lab Report Chemistry Lab Report
7 pages (1750 words) , Download 1 , Lab Report
There have been studies on performance of solid state oxygen sensors before with emphasis on other metals and materials in construction and calibration. This paper, however, focuses on the use of silicon rubber as the main material in construction and
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Critical Thinking Assignment
Critical Thinking Assignment Chemistry Essay
2 pages (500 words) , Download 1 , Essay
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These in turn determine the physical tendencies of the metal. The periodic table presents these differences. Compounds are arranged such that elements with common chemical properties and reactions belong in
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Hazardous Materials to the First Responders: the General Public
Hazardous Materials to the First Responders: the General Public Chemistry Research Paper
4 pages (1000 words) , Download 1 , Research Paper
The identification would be based on either the hazard class 2.3 or 6.1 on the shipping paper or the label for POISON Inhalation Hazard. A white POISON GAS placard or a white POISON INHALATION HAZARD placard displayed on each side, and each end of the vehicle transporting the toxic substance is also critical to the identification process.
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Pre-lab paper
Pre-lab paper Chemistry Essay
1 pages (250 words) , Download 1 , Essay
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Allow about 5 minutes of reaction. Record your observations. The contents of test-tubes A & B were centrifuged to obtain the solids. Half of the supernatants from A & B were transferred to A1, A2 and B2, B2 respectively. The precipitates in A & B were washed using 4ml of
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Chemical composition of latent fingerprints using GC/MS
Chemical composition of latent fingerprints using GC/MS Chemistry Essay
3 pages (750 words) , Download 1 , Essay
The detection and chemical characterization of such impressions made on surfaces can be done using the concept of GC-MS machine. In addition, quantification is possible through the use of the Mass spectrometry method. It would not be possible to
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Organic and Inorganic Compounds
Organic and Inorganic Compounds Chemistry Essay
1 pages (250 words) , Download 0 , Essay
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Those compounds which are of mineral origin were termed as inorganic compounds while those compounds which are of vegetable or animal origin are termed as organic compounds. The examples of the inorganic compounds are considered to be table salt, marble and carbon dioxide whereas the organic compounds are considered as acetic acid extracted from vinegar, etc.
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Energy Wedges
Energy Wedges Chemistry Lab Report
2 pages (500 words) , Download 1 , Lab Report
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The most affected areas include Africa yet they are the least producers of carbon in the atmosphere. It is for this purpose that we formed a group of three students to
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Profile Toxicology
Profile Toxicology Chemistry Term Paper
13 pages (3250 words) , Download 1 , Term Paper
It is highly ductile and very malleable, resistant to corrosion and has a low melting point (327.35 º C). It is also a poor conductor of electricity (ATSDR., 2008) Naturally, Pb is a mixture of four isotopes: 208 Pb (51-53 %), 206
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Advanced Criminalistics: Trace Evidence
Advanced Criminalistics: Trace Evidence Chemistry Assignment
2 pages (500 words) , Download 1 , Assignment
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The trace evidence also was critical in identifying that the victim was actually at the scene. The fact that the evidence from the victim matched with that collected from the scene confirms an indubitable link amid the two. Trace evidence
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Philadelphia Snacks Breadsticks
Philadelphia Snacks Breadsticks Chemistry Essay
3 pages (750 words) , Download 1 , Essay
Energy is basically the measurement of the amount of energy a food item produces when metabolized by the body (Kirschmann, 2007). Carbohydrates are composed of the elements carbon, hydrogen, and oxygen and are the main source of energy in the human body. Energy in the form of heat is produced when carbon combines with oxygen in the bloodstream.
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Environmental health and safety/ interaction of hazardous materials
Environmental health and safety/ interaction of hazardous materials Chemistry Essay
2 pages (500 words) , Download 1 , Essay
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Butyl ethyl ether, with melting point of -124°C and boiling point of 92.2°C at 1 atm, is known to be a moderately toxic substance upon ingestion and an irritant to skin and eyes upon contact or inhalation.
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Research Paper IV
Research Paper IV Chemistry Research Paper
1 pages (250 words) , Download 1 , Research Paper
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(2010) has potential carcinogenic and cytotoxic effects. A study by the authors on the effects of the substance on the liver was done, experimenting on rats. In the study, using 18 albino rats for a divergent period of three groups clearly indicated that
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Fruit Content of Fruit Juice and Apple Juice Content of Cider Using DNA Methodology
Fruit Content of Fruit Juice and Apple Juice Content of Cider Using DNA Methodology Chemistry Literature review
10 pages (2500 words) , Download 1 , Literature review
RFLP is widely used for the analysis of the adulterants in the samples because of its low cost and greater differentiating ability. The RAPD is the more fast technology that requires only very simple primers and the previous sequence information is not required for the analysis. RAPD is more sensitive to a variety of plant species.
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What is the pH of Soil
What is the pH of Soil Chemistry Essay
1 pages (250 words) , Download 1 , Essay
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To determine the quality of soil, soil test should be conducted. Among the components of soil earlier mentioned, pH is important and can be modified by addition of various chemicals. The pH of soil gives an indication as to how alkaline or acid
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Radiation Protection Process
Radiation Protection Process Chemistry Essay
1 pages (250 words) , Download 2 , Essay
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The distance from the source is inversely propositional to the magnitude of the effects. On the other hand, shielding encompasses all the protective gears which are placed to prevent the radiation from reaching the human body.  The effectiveness of any protective e measure depends on how careful the measures are applied.
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EXP #4 Synthesis Zinc Iodide
EXP #4 Synthesis Zinc Iodide Chemistry Lab Report
4 pages (1000 words) , Download 1 , Lab Report
These observations are correlated with the changes in the composition of the solution as iodine was drawn out of it, and with regard to the iodine as the limiting reagent in the reaction. The law of
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Enviromental
Enviromental Chemistry Assignment
2 pages (500 words) , Download 1 , Assignment
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Therefore, 0.01 ppm = 0.01 volume of Ozone gas/106 volumes of air. Ppmv = (ppm/MW) × 22.4. Ppmv of ozone = 0.00467 ppmv O3. This means for every 1 million volume of air, there is 0.00467 volumes of Ozone (Dr Richards 01). Therefore, if 1 million volumes of
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Pyrolysis of Aryl Sulfonate Esters in the Absence of Solvent: E1 or E2
Pyrolysis of Aryl Sulfonate Esters in the Absence of Solvent: E1 or E2 Chemistry Lab Report
2 pages (500 words) , Download 2 , Lab Report
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e the aryl sulfonyl ester obtained and further determine whether the reaction mechanism for the pyrolysis of the aryl sulfonate ester was either E1 or E2 depending on the gas chromatographic evaluation of the pyrolysis products. Synthesis of methyl N-acetylsulfanilate, an aryl
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Acids and bases
Acids and bases Chemistry Essay
2 pages (500 words) , Download 1 , Essay
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These are some of the characteristics of acids and bases. An acid is a substance that reacts with water to generate hydrogen ions while a base is a substance that reacts with water to generate hydroxide ions (Files, p. 1). This paper seeks to discuss the topic,
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Paraphrasing
Paraphrasing Chemistry Essay
4 pages (1000 words) , Download 1 , Essay
It was supposed to signal the titration reaction’s end point when it is reached, however, the solutions turned out to be light pink in the experiment. The KHP’s molar mass was
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Mixed metal and mixed ligand for tri-nuclear complexes
Mixed metal and mixed ligand for tri-nuclear complexes Chemistry Research Proposal
1 pages (250 words) , Download 1 , Research Proposal
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The reaction conditions are great determinants of structures adopted by the coinage metal pyrazolates (Biswas & Ghosh, 2012). They may take the forms ranging from polymers, hexamers, and tetramers to trimers. The current study focuses on spectroscopic
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IR Spectroscopy determination of xylene using an internal standard
IR Spectroscopy determination of xylene using an internal standard Chemistry Essay
2 pages (500 words) , Download 2 , Essay
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Standard curves were constructed from the ratio of absorbance of characteristic peaks. A trend line showing the least square fit helped to determine the ratio of concentrations in our unknown sample. The results
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The Acid Rain
The Acid Rain Chemistry Research Paper
2 pages (500 words) , Download 1 , Research Paper
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With the development of factories, with the development of automobiles, the refrigeration systems have been emitting certain substances in the environment, causing enough damage to prove costly both for the planet earth and its
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Oes the molecular weight of polymers affect the performance of polymer (organic) solar cells
Oes the molecular weight of polymers affect the performance of polymer (organic) solar cells Chemistry Research Paper
1 pages (250 words) , Download 1 , Research Paper
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The large industry of polymers has introduced conducting polymers that can be used in the solar cells to improve the energy transformation. Physical and chemical properties of polymers may vary based on
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NMR
NMR Chemistry Lab Report
1 pages (250 words) , Download 3 , Lab Report
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The NMR spectrometer is used. Several milliliters of acetylacetone (CH3OCH2COCH3) and ethyl acetoacetate (CH3CH2OCOCH2COCH3) together with two solvents are used in the experiment. The two solvents represent a non-polar and polar solvent because
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Ibuprofen
Ibuprofen Chemistry Essay
6 pages (1500 words) , Download 1 , Essay
Its physical and chemical properties mostly account for its pharmacologic effects. Moreover, the systematic or IUPAC name of Ibuprofen is 2-[4-(2-methylpropyl)phenyl]propanoic acid (“Ibuprofen
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Chemistry assignment
Chemistry assignment Chemistry Assignment
2 pages (500 words) , Download 1 , Assignment
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l the labeled atoms of carbon to 14CO2 from glucose during the fermentation of ethanol, the original label has to be placed on C-3 or C-4 of the glucose as these are changed to the pyruvate carboxyl group. This shows that phosphate was needed for the continuation of the
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Answer question
Answer question Chemistry Coursework
1 pages (250 words) , Download 2 , Coursework
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Poor hygiene affects the Tuna during preparation where the contamination all begins. During preparation of the mayonnaise to make the tuna sandwiches, with poor hygiene of the Café the
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Hazardous Chemicals and Explosives
Hazardous Chemicals and Explosives Chemistry Assignment
2 pages (500 words) , Download 1 , Assignment
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When dealing with a fire involving polymeric materials it should be clear that molten material drips from the source.  It can be hazardous to the firefighters or the environmental health and safety professional especially if it is dripping from the ceiling. Thermal decompositions of polymeric material produce a vapor that initially diffuses on the surface of the polymer.
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Chemistry of Hazardous Materials
Chemistry of Hazardous Materials Chemistry Essay
1 pages (250 words) , Download 0 , Essay
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Storage of liquid oxygen requires special storage tanks and a very cold environment in order to maintain the necessary temperatures that keep its liquid form. Oxygen is a very volatile gas and can easily change from the liquid form to a gas at low temperatures. In its liquid form, the gas is highly concentrated and unstable.
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DTERMINTION OF TOTAL CALCIUM AND MAGNESIUM ION CONCENTRATION AND DETER MENTION OF NITRATE BY SPECTOHOTOMETR
DTERMINTION OF TOTAL CALCIUM AND MAGNESIUM ION CONCENTRATION AND DETER MENTION OF NITRATE BY SPECTOHOTOMETR Chemistry Lab Report
4 pages (1000 words) , Download 2 , Lab Report
This result is the moles of Ca 2+ and Mg 2+ in the sample solution. Determining the total amount of calcium and magnesium ions can be
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Paraphrasing
Paraphrasing Chemistry Essay
1 pages (250 words) , Download 1 , Essay
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The ideal gas equation is denoted as: Here, denotes the volume of the gas; P denotes the pressure; R is the constant that equals to 0.08206 L-atm/mol-K; specifies the number of moles of the gas and T denotes the absolute temp of the gas. It is pertinent to notice
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Stoichiometry of metal ligand complex
Stoichiometry of metal ligand complex Chemistry Lab Report
1 pages (250 words) , Download 1 , Lab Report
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From the concentration of Phenanthroline and iron, moles of Fe in the complex = 0.00004 while those of Phenanthroline = 0.00008, therefore mole ratio is 1:2 therefore n value is 2. The experimental n value for Phenanthroline in Fe (II) is 2 while that of ferrozine is
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Whats Dissolved in the Water
What's Dissolved in the Water Chemistry Lab Report
4 pages (1000 words) , Download 1 , Lab Report
However, dissolving and dissociate depends on the placement of the original element in the periodic table. For instance, alkali salts all of them dissolve in water to give their respective salts, which is contrary to some of the salts formed by
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Spalting wood history
Spalting wood history Chemistry Essay
20 pages (5000 words) , Download 1 , Essay
The movement based its ideas on going back to unique styles of crafting in Europe and the aesthetics role in decorative arts in the
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Oceanic injection of carbon dioxide
Oceanic injection of carbon dioxide Chemistry Essay
6 pages (1500 words) , Download 1 , Essay
logy involves capturing carbon dioxide from the atmosphere and other emitters and converting it into liquid substances that are deposited in the deep sea (Johansen, 2008). The controversy over the issue is of interest and the present work seeks to find out the positive and
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Chemistry of Depression
Chemistry of Depression Chemistry Essay
4 pages (1000 words) , Download 1 , Essay
Depression is one of the most prominent psychological disorders seen among the adults and teenagers. Even though depression is a psychological disorder, the major reason behind this problem is the irregularities in brain chemistry. Along with depression, irregularities in brain chemistry can cause anxiety, schizophrenia suicide tendency etc.
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Biological Importance of Metal Complexes of Pyrimidine-2-Thione
Biological Importance of Metal Complexes of Pyrimidine-2-Thione Chemistry Research Paper
6 pages (1500 words) , Download 1 , Research Paper
According to the paper, the pyrimidine-2-thione metal complexes, or its hydroxyl derivatives and pyrimidine-2-thiol tautomeric type has been analyzed for representative ligands. These complexes illustrate rich structural chemistry, biological properties and magnetic properties. The M/H reaction systems illustrates interesting complexes source.
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INTRODUCTION Analysis of Caffeine in Beverages by HPLC
INTRODUCTION Analysis of Caffeine in Beverages by HPLC Chemistry Essay
1 pages (250 words) , Download 1 , Essay
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umans by affecting metabolism through the central nervous system to make people more alert with a burst of energy (National Institutes of Health para. 1). It can make a person jittery, have difficulty in sleeping, and causes other effects like dehydration, heart palpitation, and
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Chemistry in Life
Chemistry in Life Chemistry Research Paper
14 pages (3500 words) , Download 2 , Research Paper
tly defined means the current medium of exchange as defined by government of a particular country, it is the officially-issued and officially-recognized legal tender of that country for people to buy and pay for the various goods and services they need in daily life. A key thing
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Nuclear Energy and Comparative Risks
Nuclear Energy and Comparative Risks Chemistry Essay
1 pages (250 words) , Download 1 , Essay
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Additionally, with the increasing phenomenon of global warming and diverse altered climatic conditions, the facet of nuclear energy is now in the minds of numerous political leaders. The arguments are that the world ought to seek better ways of attaining energy, which is less costly and does not threaten human existence either now or in the future.
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Exporing the properties of gases
Exporing the properties of gases Chemistry Lab Report
5 pages (1250 words) , Download 1 , Lab Report
Four variables are known to compose the ideal gas law and they are inter-dependent in that one of them can be calculated provided the other three are given. These variables are temperature, pressure, volume and amount in moles (Daniel, Goode and Ball 275). The
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Petroleum extraction process
Petroleum extraction process Chemistry Term Paper
4 pages (1000 words) , Download 2 , Term Paper
As oil is non-renewable resource, this branch needs to develop technologies aimed on rational exploitation of oilfields and decreasing of loses and waste
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The Solvay process for sodium carbonate
The Solvay process for sodium carbonate Chemistry Research Paper
7 pages (1750 words) , Download 1 , Research Paper
The overall reaction can be given as shown below: The final important part of the reaction normally involves the decomposition sodium bicarbonate NaHCO3 through heating at high temperatures
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Method of chemical strengthening
Method of chemical strengthening Chemistry Coursework
3 pages (750 words) , Download 1 , Coursework
The author of the paper states that another method of strengthening is called chemical strengthening. This is where the glass material is submerged into a potassium nitrate solution. The high-mass potassium molecule, which is bigger, then replaces the sodium molecule in the glass material.
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Biotechnology Company
Biotechnology Company Chemistry Essay
1 pages (250 words) , Download 1 , Essay
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Therefore, it rids the environment of methane, which is among the major gases that are significant for global warming via greenhouse effect (Khalil 34). The company’s name is yet to be determined. It is a relatively young company with a bright
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Properties of gases( pressure, volume, temperature by Boyles Law)
Properties of gases( pressure, volume, temperature by Boyle's Law) Chemistry Research Paper
2 pages (500 words) , Download 1 , Research Paper
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The project revisits the study that was initiated by Robert Boyle in the year 1662. In the study, gas exhibited a unique characteristic that made it possible to make various studies regarding the gases. The compressibility of gases gave a
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Hazardous Material Management and Hazard Communication - Exempted Chemicals
Hazardous Material Management and Hazard Communication - Exempted Chemicals Chemistry Essay
1 pages (250 words) , Download 1 , Essay
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CERCLA hazardous substances are found in the products that are regularly used. They are regulated and pose no threat to life, but if they find their way to the environment, they can pollute the land, water and air, hence creating a negative impact on the health of both human beings and animals. These substances include led batteries, petroleum.
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The use of Isotopes in medicine
The use of Isotopes in medicine Chemistry Essay
4 pages (1000 words) , Download 1 , Essay
The radiation from the isotopes destroys or weakens the targeted cells in the human body. Other isotopes are significant in the sterilization of the medical equipment and products. It is noteworthy that the utilization of
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Adsorption/desorption of Chlorohexidine (CHX) on Flax and Cotton fibers
Adsorption/desorption of Chlorohexidine (CHX) on Flax and Cotton fibers Chemistry Essay
2 pages (500 words) , Download 1 , Essay
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This simply implies that less chlorhexidine was left in the solution with flax than in cotton due to the fact that flax has adsorbed more chlorhexidine than cotton. It appears that flax can adsorb almost twice the amount of chlorhexidine cotton can adsorb. This suggests that
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