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38 relations: Amino acid, Ammonia, Ammonium, Ammonium sulfate, Analytical chemistry, Arginine, Azo compound, Bicinchoninic acid assay, Boiling point, Boric acid, Catalysis, Chemical decomposition, Combustion analysis, Condenser (laboratory), Devarda's alloy, Dumas method, Histidine, Inductively coupled plasma atomic emission spectroscopy, Ion chromatography, Isoquinoline, Johan Kjeldahl, Melamine, Methyl orange, Nitrate, Nitro compound, Nitrogen, Organic compound, PH indicator, Potassium sulfate, Protein, Pyridine, Quinoline, Sodium carbonate, Sulfuric acid, Titration, University of Massachusetts Amherst, 2007 pet food recalls, 2008 Chinese milk scandal.
Amino acid
Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.
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Ammonia
Ammonia is a compound of nitrogen and hydrogen with the formula NH3.
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Ammonium
The ammonium cation is a positively charged polyatomic ion with the chemical formula.
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Ammonium sulfate
Ammonium sulfate (American English and international scientific usage; ammonium sulphate in British English); (NH4)2SO4, is an inorganic salt with a number of commercial uses.
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Analytical chemistry
Analytical chemistry studies and uses instruments and methods used to separate, identify, and quantify matter.
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Arginine
Arginine (symbol Arg or R) is an α-amino acid that is used in the biosynthesis of proteins.
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Azo compound
Azo compounds are compounds bearing the functional group R−N.
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Bicinchoninic acid assay
The bicinchoninic acid assay (BCA assay), also known as the Smith assay, after its inventor, Paul K. Smith at the Pierce Chemical Company, is a biochemical assay for determining the total concentration of protein in a solution (0.5 μg/mL to 1.5 mg/mL), similar to Lowry protein assay, Bradford protein assay or biuret reagent.
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Boiling point
The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.
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Boric acid
Boric acid, also called hydrogen borate, boracic acid, orthoboric acid and acidum boricum, is a weak, monobasic Lewis acid of boron, which is often used as an antiseptic, insecticide, flame retardant, neutron absorber, or precursor to other chemical compounds.
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Catalysis
Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalysthttp://goldbook.iupac.org/C00876.html, which is not consumed in the catalyzed reaction and can continue to act repeatedly.
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Chemical decomposition
Chemical decomposition, analysis or breakdown is the separation of a single chemical compound into its two or more elemental parts or to simpler compounds.
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Combustion analysis
Combustion analysis is a method used in both organic chemistry and analytical chemistry to determine the elemental composition (more precisely empirical formula) of a pure organic compound by combusting the sample under conditions where the resulting combustion products can be quantitatively analyzed.
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Condenser (laboratory)
A condenser is an apparatus or item of equipment used to condense (change the physical state of a substance from its gaseous to its liquid state).
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Devarda's alloy
Devarda's alloy (CAS # 8049-11-4), is an alloy of aluminium (44% – 46%), copper (49% – 51%) and zinc (4% – 6%).
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Dumas method
The Dumas method in analytical chemistry is a method for the quantitative determination of nitrogen in chemical substances based on a method first described by Jean-Baptiste Dumas in 1826.
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Histidine
Histidine (symbol His or H) is an α-amino acid that is used in the biosynthesis of proteins.
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Inductively coupled plasma atomic emission spectroscopy
Inductively coupled plasma atomic emission spectroscopy (ICP-AES), also referred to as inductively coupled plasma optical emission spectrometry (ICP-OES), is an analytical technique used for the detection of chemical elements.
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Ion chromatography
Ion chromatography (or ion-exchange chromatography) is a chromatography process that separates ions and polar molecules based on their affinity to the ion exchanger.
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Isoquinoline
Isoquinoline is a heterocyclic aromatic organic compound.
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Johan Kjeldahl
Johan Gustav Christoffer Thorsager Kjeldahl (16 August 1849 – 18 July 1900), was a Danish chemist who developed a method for determining the amount of nitrogen in certain organic compounds using a laboratory technique which was named the Kjeldahl method after him.
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Melamine
Melamine is the organic compound with the formula C3H6N6.
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Methyl orange
Methyl orange is a pH indicator frequently used in titration because of its clear and distinct colour variance at different pH values.
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Nitrate
Nitrate is a polyatomic ion with the molecular formula and a molecular mass of 62.0049 u.
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Nitro compound
Nitro compounds are organic compounds that contain one or more nitro functional groups (−2).
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Nitrogen
Nitrogen is a chemical element with symbol N and atomic number 7.
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Organic compound
In chemistry, an organic compound is generally any chemical compound that contains carbon.
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PH indicator
A pH indicator is a halochromic chemical compound added in small amounts to a solution so the pH (acidity or basicity) of the solution can be determined visually.
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Potassium sulfate
Potassium sulfate (K2SO4) (in British English potassium sulphate, also called sulphate of potash, arcanite, or archaically known as potash of sulfur) is a non-flammable white crystalline salt which is soluble in water.
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Protein
Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.
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Pyridine
Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N.
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Quinoline
Quinoline is a heterocyclic aromatic organic compound with the chemical formula C9H7N.
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Sodium carbonate
Sodium carbonate, Na2CO3, (also known as washing soda, soda ash and soda crystals, and in the monohydrate form as crystal carbonate) is the water-soluble sodium salt of carbonic acid.
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Sulfuric acid
Sulfuric acid (alternative spelling sulphuric acid) is a mineral acid with molecular formula H2SO4.
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Titration
Titration, also known as titrimetry, is a common laboratory method of quantitative chemical analysis that is used to determine the concentration of an identified analyte.
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University of Massachusetts Amherst
The University of Massachusetts Amherst (abbreviated UMass Amherst and colloquially referred to as UMass or Massachusetts) is a public research and land-grant university in Amherst, Massachusetts, United States, and the flagship campus of the University of Massachusetts system.
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2007 pet food recalls
The 2007 pet food recalls comprise the contamination and wide recall of many brands of cat and dog foods beginning in March 2007, and the ensuing developments involving the human food supply.
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2008 Chinese milk scandal
The 2008 Chinese milk scandal was a widespread food safety incident in China.
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References
[1] https://en.wikipedia.org/wiki/Kjeldahl_method
