Potassium alum, potash alum, or potassium aluminium sulfate is a chemical compound: the double sulfate of potassium and aluminium, with chemical formula KAl(SO4)2. (wikipedia.org)
Potassium alum is commonly used in water purification, leather tanning, dyeing, fireproof textiles, and baking powder as E number E522. (wikipedia.org)
Potassium alum was also known to the Ancient Egyptians, who obtained it from evaporites in the Western desert and reportedly used it as early as 1500 BCE to reduce the visible cloudiness (turbidity) in the water. (wikipedia.org)
citation needed] Potassium alum was described under the name alumen or salsugoterrae by Pliny, and it is clearly the same as the stypteria (στυπτηρία) described by Dioscorides. (wikipedia.org)
full citation needed] The production of potassium alum from alunite is archaeologically attested on the island Lesbos. (wikipedia.org)
Potassium alum is mentioned in some[which? (wikipedia.org)
Potassium alum was imported into England mainly from the Middle East, and, from the late 15th century onwards, the Papal States for hundreds of years. (wikipedia.org)
Historically, potassium alum was used extensively in the wool industry from Classical antiquity, during the Middle Ages, and well into 19th century as a mordant or dye fixative in the process of turning wool into dyed bolts of cloth. (wikipedia.org)
In 1767, Torbern Bergman observed the need for potassium or ammonium sulfates to convert aluminium sulfate into alum, while sodium or calcium would not work. (wikipedia.org)
In this lab, two tests are used to determine whether or not the clear crystal is indeed, aluminum potassium sulfate (alum). (studymode.com)
The average experimental value of the melting point of aluminum potassium sulfate (alum) is 91.2 oC, approximately 1.8% error. (studymode.com)
Potassium Alum and Aluminum are two different substances, with distinct chemical signatures. (life-enthusiast.com)
Thai Crystal Deodorant products are made from potassium alum. (life-enthusiast.com)
The chemical formula for potassium alum is K 2 SO 4 Al 2 (SO 4 ). (life-enthusiast.com)
Potassium alum is a colorless substance that forms octahedral or cubic crystals. (life-enthusiast.com)
Potassium alum is soluble in seven times its weight of water at room temperature and is very soluble in hot water. (life-enthusiast.com)
When crystalline potassium alum is heated, some of the water of hydration becomes chemically separated, and the partly dehydrated salt dissolves in this water, so that the alum appears to melt at about 90 degrees C (approx. (life-enthusiast.com)
392 degrees F), potassium alum swells up, loses all water, and becomes a basic salt called burn alum. (life-enthusiast.com)
The potassium alum molecules in Thai Crystal Deodorant products have a negative ionic charge, making them unable to pass through your cell walls. (life-enthusiast.com)
We hope this information can dispel the misunderstandings about potassium alum, and put your mind at ease about the safety of all Thai Crystal Deodorant products. (life-enthusiast.com)
With a long history and a variety of uses, Potassium Alum has remained a vital part of health care. (life-enthusiast.com)
Thai Crystal Deodorant has perfected the production of an all natural crystal of potassium alum that is 100% effective, economical and safe to use on our bodies. (life-enthusiast.com)
The first recorded use of Potassium Alum was in ancient China and Egypt for its body odor reducing effects. (life-enthusiast.com)
At 100 A.D. Roman historian Plinius documented the manufacturing of Alumen Romanum through the repeated dissolving of potassium alum slates in water. (life-enthusiast.com)
Calcination of a lead compound (oxide, nitrate or lead white) with an antimony compound (oxide, sulfide or potassium antimonate). (webexhibits.org)
alum - ► NOUN ▪ a crystalline compound consisting of a double sulphate of aluminium and potassium, used in dyeing and tanning. (en-academic.com)
1. Also called potash alum, potassium alum. (en-academic.com)
Adjuvants2
One of the most widely used adjuvants, alum, has recently come under attack as a possible cause for brain disorders. (ibj.com)
The adjuvant effects of VSA-1 on improving vaccine efficacy after prime immunization were evident as shown by significantly higher levels of hemagglutination-inhibiting antibody titers and enhanced homologous protection compared to those by QS-21 and Alum adjuvants. (tdl.org)
Aluminium2
Aluminium compounds are toxic to most plants and somewhat toxic to mammals. (webelements.com)
Binary compounds with halogens (known as halides), oxygen (known as oxides), hydrogen (known as hydrides), and other compounds of aluminium where known. (webelements.com)
Crystalline1
Aluminum oxyhydroxide (alum) is a crystalline compound widely used as an immunological adjuvant of vaccines. (flutrackers.com)
Bioactive compounds2
Our resarch aim to understand of metabolic pathways of different bioactive compounds, including lipids. (slu.se)
Wang's dissertation research with associate professor Yangchao Luo focused on creating nano-sized delivery vesicles for bioactive compounds using natural biomaterials like lipids and proteins. (uconn.edu)
Acidic3
Successful compartmentalization of particles within double membrane autophagosomes and subsequent fusion with repaired and re-acidified lysosomes will expose alum to lysosomal acidic pH, the sole factor that can solubilize alum particles. (flutrackers.com)
Paper -Since poor quality folders and envelopes can hasten the deterioration of photographs and negatives, it is essential that paper be free of acidic compounds such as those found in alum-rosin sizing and unpurified wood pulp. (gaylord.com)
The amigos are alkaline mineral compounds to temporarily help acidic bodies survive. (drlwilson.com)
Marggraf also showed that perfect crystals with properties of alum can be obtained by dissolving alumina in sulfuric acid and adding potash or ammonia to the concentrated solution. (wikipedia.org)
The error was soon corrected by Johann Pott and Andreas Marggraf, who showed that the precipitate obtained when an alkali is poured into a solution of alum, namely alumina, is quite different from lime and chalk, and is one of the ingredients in common clay. (wikipedia.org)
Aluminum compounds have many different uses, for example, as alums in water-treatment and alumina in abrasives and furnace linings. (cdc.gov)
example, as alums in water-treatment and alumina in · Eating substances containing high levels of aluminum abrasives and furnace linings. (cdc.gov)
Aluminum hydroxide (the principle ingredient in common antacids such as Maalox) binds with phosphorus to form an aluminum phosphate compound. (rfmu.org)
Commonly2
They infused loaves of bread with alum, a chalky aluminum-based compound commonly used today in laundry detergents. (tastingtable.com)
By determining the melting point of alum, and by determining the water of hydration in alum crystals by comparing the molar ratio between moles of AlK(SO4)2 and moles of H2O, the structure of the compound could be found. (studymode.com)
You can easily grow your own crystals using sugar, salt or alum. (fantasticcaverns.com)
If you would like to create colored alum crystals, feel free to add a small amount of food coloring to your saturated alum solution. (fantasticcaverns.com)
Pour your saturated alum solution into another cup or jar, being careful not to pour out your seed crystals. (fantasticcaverns.com)
Insoluble2
Question: When used as a mordant (binder) in dyeing, which chemical compound fixes dye to cotton and other fabrics, rendering the dye insoluble? (britannica.com)
This compound is insoluble in water under most conditions so the phosphorus in it can no longer be used as food by algae organisms. (rfmu.org)
Powder1
One remedy consisted of drinking a goblet of wine containing a powder compounded from rubber, alum and garden crocuses. (bible.org)
Organic4
The melting point of a compound is used by organic chemists not only to identify the compound, but also to establish its purity. (studymode.com)
They occur from the patternized interlocking of atoms, and can be derived from inorganic (nonliving) or organic (living) compounds. (fantasticcaverns.com)
Citrates are organic compounds of trace elements with natural citric acid. (ecowellnessstore.com)
Fused filament fabrication 3D printing is a new and emerging industry that uses a variety of filament materials capable of producing ultrafine particulates and volatile organic compounds. (cdc.gov)
Proteins1
Others, and in particular the life science industry, assert that DNA and proteins are simply chemical compounds, albeit complex ones. (lu.se)
Oxides1
These chemical compounds are either oxides or carbonates. (drlwilson.com)
Mineral1
Sexual fluid is also rich in these mineral compounds. (drlwilson.com)
Molecules2
A. Coordination compounds are those that contain complicated ions and have a core metal atom or ion that is linked by coordinate bonds to a number of ions or neutral molecules. (extramarks.com)
In procedure #2, the ratio between alum and water is determined by dehydrating the water molecules from the AlK(SO4)2.12H2O. (studymode.com)
Vaccine2
Terre Haute-based Indiana State will market the compound to drug companies, which might want to pair it with a drug or vaccine in order to boost effectiveness in patients. (ibj.com)
QS-21, a mixture of saponin compounds, was included in the AS01-adjuvanted Shingrix vaccine. (tdl.org)
Dyes1
The textile dyeing industry in Bruges, and many locations in Italy, and later in England, required alum to stabilize the dyes onto the fabric (make the dyes "fast") and also to brighten the colors. (wikipedia.org)
Water8
If the spirit or compound to be made is of a different nature or flavor from that procured by the last distillation, the still, capital and worm should be thoroughly cleaned by hot water, sand and a scrubbing brush, to remove the oily particles that adhere to their internal surfaces. (mspong.org)
1. When measuring the melting point, it is best to heat up the sample slowly so that the alum sample would be the same temperature as the water. (studymode.com)
Detennine the water of hydration of a sample of alum. (studymode.com)
A chemical compound which releases hydrogen ions into water, decreasing pH. (frogproducts.com)
The amount of bicarbonate, carbonate and hydroxide compounds present in the water. (frogproducts.com)
In Ghamas area of Diwaniya also, four water purification compound units are still out of service due to low river water level. (who.int)
additional 12 tons of chlorine gas and four tons of Alum have been delivered to main Diwania water project to overcome the huge shortage in chlorine. (who.int)
Immune1
Researchers at Indiana State University discovered a new compound that could help boost patients' immune systems without causing unwanted side effects. (ibj.com)
Toxicity1
As previously discussed, mesna binds to the urotoxic cyclophosphamide metabolite acrolein, creating stable thioester compounds with no bladder toxicity. (medscape.com)
Lime1
preparation-which is prepared by processing raw PR with licorice, lime, and alum as adjuvant materials-promotes sleep and sedation in mice by increasing REM sleep. (hindawi.com)
There may be other minerals that can form these toxic compounds, as well. (drlwilson.com)
Convert1
When the distilled liquor carries with it any particular flavor, it should be re-distilled with essential oils, in order to convert it into a compound spirit, as gin, peppermint, and other cordials. (mspong.org)
Pharmacy2
Kathy Quarles Moore , '86, clinical associate professor and director of Community and Compounding Laboratories received the Bowl of Hygeia, presented to an SCPhA member with an outstanding record of community service that reflects well on the profession of pharmacy, who is well known throughout the state for their contributions to the profession through volunteerism within pharmacy, involvement in SCPhA activities and who provides encouragement of professional development of young pharmacists. (sc.edu)
Brandi specializes in traditional pharmacy as well as compounding. (sc.edu)
Chemicals1
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. (jegs.com)
Harmful1
Not merely to salvage H2O but it is besides of import that the H2O required for human existences must be of good criterion means it should non incorporate any harmful bacteriums or chemical compounds or any other unwanted drosss. (love-pet.net)
Often called1
The compound is the most important member of the generic class of compounds called alums, and is often called simply alum. (wikipedia.org)
Solution4
Like with the table salt solution, you will want to slowly stir in enough alum that some of it won't dissolve. (fantasticcaverns.com)
You should be able to see alum granules resting at the bottom of your solution. (fantasticcaverns.com)
Pour only the saturated alum solution into a glass jar or cup, being careful not to pour in the excess alum granules (again, you can use plastic, but you will need to let the solution cool down to room temperature before transferring the liquid). (fantasticcaverns.com)
Dangle the seed crystal into the saturated alum solution, resting the spoon on top of the mouth of the new jar or cup. (fantasticcaverns.com)
Main1
Aluminum salts (Alum) remain the main adjuvant licensed for human use. (tdl.org)
Work1
In addition, we work with in vitro models for faiths of compounds. (slu.se)
Found1
Aluminum (in compounds combined with other elements) has been found in at least 596 of the 1,699 National Priority List (NPL) sites identified by the Environmental Protection Agency (EPA). (cdc.gov)
Source2
After the fall of Constantinople, alunite (the source of alum) was discovered at Tolfa in the Papal States (1461). (wikipedia.org)
Sir Humphrey Davy, the Cornish chemist who discovered the metal, called it 'aluminum', after one of its source compounds, alum. (chemistryworld.com)
Class2
Class 12 Chapter 9 Coordination Compounds discusses the various transition metal compounds. (extramarks.com)
The Important Questions for Class 12 Chemistry Chapter 9 Coordination Compounds presented here assist students in learning about "coordination compounds" and comprehending the concepts associated with them. (extramarks.com)
Burn1
A purple flame was produced when alum was placed over the Bunsen burner on the tip of a burn stick. (studymode.com)
Article1
Alum - This article is about the chemical compound. (en-academic.com)