User contributions
- 16:29, 15 June 2015 (diff | hist) . . (+3,615) . . N Sodium nitrate (Created page with "'''Sodium nitrate''' (also known as '''Chilean saltpeter''') is a sodium salt with the chemical formula NaNO<sub>3</sub>. ==Properties== ===Chemical=== Sodium nitrate decompo...")
- 16:27, 15 June 2015 (diff | hist) . . (+7,909) . . N Sodium hydroxide (Created page with "220x220px 220x220px '''Sodium hydroxide''', sometimes called '''caustic soda''', is a strongly basic inorga...")
- 16:27, 15 June 2015 (diff | hist) . . (+3,610) . . N Sodium chlorate (Created page with "'''Sodium chlorate''' is an inorganic compound, comprised of equal numbers of sodium cations and chlorate anions, giving it the fomula NaClO<sub>3</sub>. ==Properties== =...")
- 16:26, 15 June 2015 (diff | hist) . . (+2,702) . . N Sodium bicarbonate (Created page with "Food grade sodium bicarbonate '''Sodium bicarbonate''', '''sodium hydrogen carbonate''', '''bicarbonate of soda''', '''Bicarb''', o...")
- 16:23, 15 June 2015 (diff | hist) . . (+1,183) . . N Sodium acetylsalicylate (Created page with "'''Sodium acetylsalicylate''', also known as '''sodium aspirinate''', is the sodium salt of acetylsalicylic acid. It is an easy-to-make compound used in the production of...")
- 16:21, 15 June 2015 (diff | hist) . . (+1,888) . . N Silver nitrate (Created page with "'''Silver nitrate''' is a chemical compound, salt of nitric acid and silver metal. It has the chemical formula AgNO<sub>3</sub>. ==Properties== ===Chemical=== Silver...")
- 16:20, 15 June 2015 (diff | hist) . . (+3,781) . . N Silicon (Created page with "2 samples of elemental silicon, image provided by '''woelen'''. '''Silicon''' is a metalloid element with the atomic number 14 and th...")
- 16:18, 15 June 2015 (diff | hist) . . (+3,925) . . N Sciencemadness Discussion Board (Created page with "The '''[http://www.sciencemadness.org/ Sciencemadness Discussion Board]''' is an online forum dedicated to amateur chemistry. It was started by the user Polverone on 20 Ma...")
- 16:17, 15 June 2015 (diff | hist) . . (+728) . . N Salting out (Created page with "'''Salting out''' is a technique in which a homogeneous mixture of two liquids can be separated using a salt. In cases where a salt has a strong affinity for one of the tw...")
- 16:16, 15 June 2015 (diff | hist) . . (+3,692) . . N Safrole (Created page with "220x220px Safrole is a fragrant organic compound found in a variety of plants. It was one of the principal ingredients of old-fashioned root beer pr...")
- 16:15, 15 June 2015 (diff | hist) . . (+1,847) . . N Rosocyanine (Created page with "Solution of rosocyanine in concentrated hydrochloric acid. This sample required only 20mg of turmeric powder to produce. '''R...")
- 16:14, 15 June 2015 (diff | hist) . . (+4,696) . . N Rador Labs (Created page with "{{stub}} Rador Labs is a collaborative outreach project started by The Volatile Chemist and Brain&Force. ==Goals== *To encourage the practice of amateur chemistry *To encoura...")
- 16:13, 15 June 2015 (diff | hist) . . (+773) . . N Pyranine (Created page with "Pyranine fluoresces green in neutral conditions and blue in acidic conditions.'''Pyranine''' is a yellow arylsulfonate dye, commonly fou...")
- 16:11, 15 June 2015 (diff | hist) . . (+2,674) . . N Sodium metabisulfite (Created page with "'''Sodium metabisulfite''', also known as '''sodium pyrosulfite''' is an inorganic compound, used as a preservative and reducing agent. Its chemical formula is Na<sub>2</sub>S...")
- 16:10, 15 June 2015 (diff | hist) . . (+3,058) . . N Sodium carbonate (Created page with "Anhydrous sodium carbonate 220x220px '''Sodium carbonate''', sometimes called '''washing so...")
- 16:09, 15 June 2015 (diff | hist) . . (+1,814) . . N Sodium benzoate (Created page with "Sodium benzoate. '''Sodium benzoate''' is an organic chemical compound, used as a food preservative. ==Properties== ===Chemical=== So...")
- 16:08, 15 June 2015 (diff | hist) . . (+3,501) . . N Sodium acetate (Created page with "Crystals of sodium acetate trihydrate. '''Sodium acetate''' is the sodium salt of acetic acid, with the chemical formula CH<sub...")
- 16:07, 15 June 2015 (diff | hist) . . (+3,636) . . N Silver (Created page with "'''Silver''' is a chemical element and transitional metal, with the symbol Ag and atomic number 47. Silver has the highest electrical and thermal conductivity of any metal and...")
- 16:06, 15 June 2015 (diff | hist) . . (+522) . . N Schweizer's reagent (Created page with "244x244px '''Schweizer's reagent''' is a deep-blue solution of the coordination complex Tetraammine copper(II) complex|tetraammine cop...")
- 16:05, 15 June 2015 (diff | hist) . . (+936) . . N Salt (Created page with "{{Stub}} ''For the compound commonly referred to as "salt" or "table salt", see sodium chloride.'' '''Salts''' are ionic compounds that are produced as a result of ne...")
- 16:04, 15 June 2015 (diff | hist) . . (+5,460) . . N Safe handling and storage of chemicals (Created page with "{{Stub}} Storage of many chemicals require additional or special requirements, to avoid hazards as well as contamination. ==Storage area guidelines== ===Storage cabinets and...")
- 16:03, 15 June 2015 (diff | hist) . . (+1,842) . . N Reflux setups (Created page with "276x276px Materials necessary for setting up a system in reflux are an absolute must for any home lab. However, the definition of a reflu...")
- 16:02, 15 June 2015 (diff | hist) . . (+823) . . N Proton (Created page with "{{stub}} ==In atoms== Atoms are made up of protons, neutrons, and electrons. The first two make up the nucleus, or core of the atom, with the latter o...")
- 16:02, 15 June 2015 (diff | hist) . . (+3,929) . . N Sodium hypochlorite (Created page with "Store-bought concentrated bleach '''Sodium hypochlorite''' is a chemical compound with the formula NaClO. It is composed of a sodium cation...")
- 16:00, 15 June 2015 (diff | hist) . . (+2,738) . . N Sodium chloride (Created page with " '''Sodium chloride''', sometimes referred to as table salt, is an inorganic compound and the sodium salt of hydrochloric acid, with formula NaCl. At room temperat...")
- 15:59, 15 June 2015 (diff | hist) . . (+2,520) . . N Sodium bisulfate (Created page with "Sodium bisulfate. '''Sodium bisulfate''', also known as '''sodium hydrogen sulfate''' is the sodium salt of the bisulfate anion, with...")
- 15:58, 15 June 2015 (diff | hist) . . (+2,573) . . N Sodium azide (Created page with "'''Sodium azide''' is a sodium salt with the chemical formula NaN<sub>3</sub>. ==Properties== ===Chemical=== Sodium azide will decompose at temperatures over 300°C to yield...")
- 15:57, 15 June 2015 (diff | hist) . . (+6,644) . . N Sodium (Created page with "'''Sodium''' is an alkali metal with the symbol '''Na''' and the atomic number 11. A highly reactive metal that is less dense than water, it is quite cheap and depending o...")
- 15:56, 15 June 2015 (diff | hist) . . (+3,915) . . N Silicon dioxide (Created page with "Ground silica and acid washed beach sand; SiO2 at different purity levels '''Silicon dioxide''', or '''silica''', is the compound with chemic...")
- 15:54, 15 June 2015 (diff | hist) . . (+4,407) . . N Samarium (Created page with "A truly massive 750g chunk of samarium owned by diddi. '''Samarium''' is a lanthanide with the symbol '''Sm''' and atomic numbe...")
- 15:53, 15 June 2015 (diff | hist) . . (+2,734) . . N Salicylic acid (Created page with "Fine, needle-like crystals of salicylic acid produced through recrystallization.thumb '''Salicylic acid''' is the...")
- 15:52, 15 June 2015 (diff | hist) . . (+2,438) . . N Rubidium (Created page with "'''Rubidium''' is an alkali metal with the chemical symbol Rb and an atomic number of 37. It is a rare element due to its even distribution through the Earth's crust and not h...")
- 15:51, 15 June 2015 (diff | hist) . . (+643) . . N Reflux (Created page with "In chemistry, reflux is a process or condition that involves the continual vaporization and re-condensation of a liquid in a more-or-less closed system. Reflux setups are used...")
- 15:50, 15 June 2015 (diff | hist) . . (+3,185) . . N Reagent recycling (Created page with "Recycling and reusing reagents in the laboratory is an easy way to effectively cut costs by not having to buy reagents from a supplier again or disposing of waste at a facilit...")
- 15:48, 15 June 2015 (diff | hist) . . (+3,501) . . N Pyridine (Created page with "201x201px Pyridine, also known as azine, is an organic compound consisting of a benzene ring with one =CH- group being replaced by a nitrogen...")
- 15:47, 15 June 2015 (diff | hist) . . (+707) . . N Propylene glycol (Created page with "Propylene glycol Proton Pyranine Pyridine Radical chain reaction (redirect) Rador Labs Reagent recycling Recrystallization (redirect) Reducing agent (redirect) Reflux...")
- 02:47, 15 June 2015 (diff | hist) . . (+4,233) . . N Titanium (Created page with "Titanium shavings. '''Titanium''' is a transition metal with the symbol Ti and the atomic number 22. It is a grayish, light metal th...")
- 02:46, 15 June 2015 (diff | hist) . . (+1,833) . . N Thulium (Created page with "{{Stub}} '''Thulium''' is a lanthanide with the symbol Tm and the atomic number 69. It is often considered a useless element, because it's rare and expensive, and the othe...")
- 02:45, 15 June 2015 (diff | hist) . . (+3,746) . . N Thermite (Created page with "'''Thermite''' is an energetic composition consisting of a metal powder and metal oxide. Thermites are a special type of Single replacment reaction|single replacment rea...")
- 02:44, 15 June 2015 (diff | hist) . . (+971) . . N Tetrachlorocuprate (Created page with "{{stub}} Tetrachlorocuprate structure The tetrachlorocuprate ion is a chloro complex of copper, represented by t...")
- 02:41, 15 June 2015 (diff | hist) . . (+5,169) . . N Terbium (Created page with "5.74 grams of distilled terbium metal '''Terbium''' is a lanthanide with the symbol Tb and atomic number 65. It is a hard, dark, s...")
- 02:39, 15 June 2015 (diff | hist) . . (+3,435) . . N Synthesis of nitrocellulose (Created page with "{{main|Nitrocellulose}} This page details the synthesis of nitrocellulose, or guncotton, a low explosive, via the nitration of cotton. Because this page represents an...")
- 02:37, 15 June 2015 (diff | hist) . . (+7,094) . . N Sulfuric acid (Created page with "thumb '''Sulfuric acid''' (alternative spelling '''sulphuric acid'''), represented by the molecular formula H<sub>2</sub>SO<sub>4</sub>, is one of the most...")
- 02:36, 15 June 2015 (diff | hist) . . (+3,412) . . N Sulfur dioxide (Created page with "'''Sulfur dioxide''' is a gas with an irritating smell, industrially used mainly to make sulfuric acid. It has the chemical formula SO<sub>2</sub>. ==Properties== ===Chem...")
- 02:35, 15 June 2015 (diff | hist) . . (+979) . . N Sulfate (Created page with "{{Stub}} '''Sulfate''' is a common polyatomic anion with the formula SO<sub>4</sub><sup>2-</sup>. Sulfates are the salts of sulfuric acid. ==Structure== Sulfate consists...")
- 02:34, 15 June 2015 (diff | hist) . . (+2,000) . . N Strontium carbonate (Created page with "'''Strontium carbonate''' is a common strontium compound with the chemical formula SrCO<sub>3</sub>. It is often used in pottery, and can be obtained cheaply from such su...")
- 02:33, 15 June 2015 (diff | hist) . . (+979) . . N Solvated electrons (Created page with "'''Solvated electron''' are free electrons which have been dissolved in a solution. Solvated electrons are easily identified by their deep blue colors, which turn almost coppe...")
- 02:32, 15 June 2015 (diff | hist) . . (+2,641) . . N Sodium sulfate (Created page with "'''Sodium sulfate''', also known as '''Glauber's salt''' or '''sal mirabilis''', is a chemical compound with the formula Na<sub>2</sub>SO<sub>4</sub>, useful for drying. ==Pr...")
- 02:31, 15 June 2015 (diff | hist) . . (+3,915) . . N Tin(IV) chloride (Created page with "'''Tin(IV) chloride, '''also known as '''stannic chloride,''' is a compound of tin and chlorine with the formula SnCl<sub>4</sub>. Despite what the name implies, it is...")
- 02:30, 15 June 2015 (diff | hist) . . (+3,392) . . N Thorium (Created page with "'''Thorium''' is a chemical element with the symbol '''Th''' and atomic number 90. ==Properties== ===Chemical=== Thorium is a highly reactive metal. At room temperature, thor...")
- 02:28, 15 June 2015 (diff | hist) . . (+3,779) . . N Tetrahydrofuran (Created page with "Freshly distilled THF. '''Tetrahydrofuran''' or simply '''THF''' is an organic compound used as a solvent in chemistry. It is a he...")
- 02:27, 15 June 2015 (diff | hist) . . (+858) . . N Tetraamine copper(II) complex (Created page with "Left: [[Copper(II) chloride solution, Center: Precipitate of copper oxychloride after the addition of ammonia, Right: More am...")
- 02:26, 15 June 2015 (diff | hist) . . (+1,958) . . N Terbium sulfate (Created page with "'''Terbium sulfate''' is an ionic compound with the formula Tb<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>. It is notable for being extremely fluorescent, emitting bri...")
- 02:25, 15 June 2015 (diff | hist) . . (+1,272) . . N Tellurium (Created page with "Tellurium is the element with symbol '''Te''' and atomic number 52. == Chemical Properties == It is usually found in '''-2''', '''+2''', '''+4''' and '''+6''' oxidation state...")
- 02:24, 15 June 2015 (diff | hist) . . (+6,614) . . N Synthesis of salicylic acid (Created page with "{{Main|Salicylic acid}} This page contains syntheses of salicylic acid. Because these are original works, it is asked that the texts not be edited from their original form...")
- 02:22, 15 June 2015 (diff | hist) . . (+941) . . N Suspicious chemicals (Created page with "In many localities, the purchase of certain chemicals is monitored in an attempt to crack down on the manufacture of illegal drugs and explosives. This article will attempt to...")
- 02:20, 15 June 2015 (diff | hist) . . (+4,264) . . N Sulfur trioxide (Created page with "'''Sulfur trioxide''', chemical formula SO<sub>3</sub>, is a highly corrosive and easily melted white solid at room temperature. It is the acid anhydride of sulfuric acid. ==...")
- 02:18, 15 June 2015 (diff | hist) . . (+2,291) . . N Sulfur dichloride (Created page with "Photo by sciencemadness user len1'''Sulfur dichloride''' (SCl<sub>2</sub>) is a foul smelling red liquid created through the rea...")
- 02:17, 15 June 2015 (diff | hist) . . (+4,373) . . N Sucrose (Created page with "220x220px '''Sucrose''', or as most know it, table sugar or even simply "sugar", is a disaccharide almost exclusively known as the primary artif...")
- 02:16, 15 June 2015 (diff | hist) . . (+2,314) . . N Sodium silicate (Created page with "251x251px '''Sodium silicate,''' commonly known as '''water glass,''' is an ionic silicate of sodium. There are many compounds with the name...")
- 02:13, 15 June 2015 (diff | hist) . . (+2,392) . . N Tin (Created page with "'''Tin''' ('''stannum''' in Latin) is a chemical element with symbol Sn and atomic number 50. ==Properties== ===Chemical=== Tin resists corrosion from water, but can be attac...")
- 02:12, 15 June 2015 (diff | hist) . . (+1,663) . . N Thiosulfate (Created page with "{{stub}} The thiosulfate ion is a sulfur oxoanion with the formula S<sub>2</sub>O<sub>3</sub><sup>2-</sup>. It is derived from sulfate, but a sulfur atom replaces an oxygen at...")
- 02:11, 15 June 2015 (diff | hist) . . (+2,197) . . N Tetrachlorocupric acid (Created page with "{{Stub}} File:IMGP0020.jpg|thumb|280px|Tetrachlorocupric acid formed from copper metal, hydrochloric acid, and hydrogen peroxide as an intermediate in the synthesis of copp...")
- 02:08, 15 June 2015 (diff | hist) . . (+657) . . N Tetraaminecopper(II) persulphate (Created page with "332pxTetraammine Copper(II) persulphate (TACPs) is a very weak primary explosive with a very short shelf life....")
- 02:04, 15 June 2015 (diff | hist) . . (+422) . . N Terbium oxide (Created page with "Terbium oxide can refer to multiple compounds. *Terbium(III) oxide, formed by the precipitation of most terbium(III) compounds. This oxide tends to absorb water, ca...")
- 01:54, 15 June 2015 (diff | hist) . . (+3,435) . . N Synthesis of nitrocellulose by Alexleyenda (Created page with "{{main|Nitrocellulose}} This page details the synthesis of nitrocellulose, or guncotton, a low explosive, via the nitration of cotton. Because this page represents an...")
- 01:52, 15 June 2015 (diff | hist) . . (+7,094) . . N Sulphuric acid (Created page with "thumb '''Sulfuric acid''' (alternative spelling '''sulphuric acid'''), represented by the molecular formula H<sub>2</sub>SO<sub>4</sub>, is one of the most...")
- 01:49, 15 June 2015 (diff | hist) . . (+2,866) . . N Sulfur hexafluoride (Created page with "'''Sulfur hexafluoride''', sometimes shorted to '''SF6''', is an inorganic, colorless, odorless, non-flammable heavy gaseous chemical compound with interesting properties. Its...")
- 01:44, 15 June 2015 (diff | hist) . . (+4,582) . . N Sulfur (Created page with "A native sulfur chunk of low purity '''Sulfur''' (or '''sulphur''') is a chemical element with the atomic number 16. It is a brittle, ye...")
- 01:39, 15 June 2015 (diff | hist) . . (+2,615) . . N Strontium oxide (Created page with "'''Strontium oxide''', '''strontia''' or '''SrO''', is formed when strontium metal reacts with oxygen. Burning strontium in air results in a mixture of strontium oxide...")
- 01:34, 15 June 2015 (diff | hist) . . (+1,579) . . N Strontium (Created page with "'''Strontium '''is an alkaline earth metal with the symbol '''Sr''' and atomic number 39. ==Properties== ===Chemical=== Strontium metal bubbles fiercely on contact with w...")
- 01:32, 15 June 2015 (diff | hist) . . (+3,957) . . N Software tools for chemistry (Created page with "There are many software that are helpful for the amateur chemist, some professional, others more accessible. ==Software written by Sciencemadness users== === SciOSA === SciOS...")