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  2. Potassium nitrate - Wikipedia

    en.wikipedia.org/wiki/Potassium_nitrate

    Infobox references. Potassium nitrate is a chemical compound with a sharp, salty, bitter taste and the chemical formula K N O 3. It is an ionic salt of potassium ions K + and nitrate ions NO 3−, and is therefore an alkali metal nitrate. It occurs in nature as a mineral, niter (or nitre outside the US). [ 5 ]

  3. Glossary of winemaking terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_winemaking_terms

    The process of separating unwanted particles (such as dead yeast cells or fining agents) from the wine by use of centrifugal force. Ceramic filtration. A filtration process of the wine that utilizes perlite and is able to fine the wine to an ultrafine degree. Chaptalization.

  4. Clarification and stabilization of wine - Wikipedia

    en.wikipedia.org/wiki/Clarification_and...

    The most common organic compounds used include egg whites, casein derived from milk, gelatin and isinglass obtained from the bladders of fish. Pulverized minerals and solid materials can also be used, with bentonite clay being one of the most common, thanks to its effectiveness in absorbing proteins and some bacteria.

  5. List of alchemical substances - Wikipedia

    en.wikipedia.org/wiki/List_of_alchemical_substances

    Rouge/ crocus / colcothar – ferric oxide, formed by burning green vitriol in air. Stibnite – antimony or antimony trisulfide, ore of antimony. Turpeth mineral – hydrolysed form of mercury (II) sulfate. Verdigris – Carbonate of Copper or (more recently) copper (II) acetate. The carbonate is formed by weathering copper.

  6. Potassium bitartrate - Wikipedia

    en.wikipedia.org/wiki/Potassium_bitartrate

    Potassium bitartrate, also known as potassium hydrogen tartrate, with formula K C 4 H 5 O 6, is a chemical compound with a number of uses. It is the potassium acid salt of tartaric acid (a carboxylic acid). In cooking, it is known as cream of tartar. It is used as a component of baking powders and baking mixes, as mordant in textile dyeing, as ...

  7. Cyclic voltammetry - Wikipedia

    en.wikipedia.org/wiki/Cyclic_voltammetry

    In cyclic voltammetry (CV), the electrode potential ramps linearly versus time in cyclical phases (blue trace in Figure 2). The rate of voltage change over time during each of these phases is known as the experiment's scan rate (V/s). The potential is measured between the working electrode and the reference electrode, while the current is ...

  8. Antifreeze - Wikipedia

    en.wikipedia.org/wiki/Antifreeze

    Antifreeze. An antifreeze is an additive which lowers the freezing point of a water-based liquid. An antifreeze mixture is used to achieve freezing-point depression for cold environments. Common antifreezes also increase the boiling point of the liquid, allowing higher coolant temperature. [1] However, all common antifreeze additives also have ...

  9. Niter - Wikipedia

    en.wikipedia.org/wiki/Niter

    Niter or nitre [5] is the mineral form of potassium nitrate, KNO 3.It is a soft, white, highly soluble mineral found primarily in arid climates or cave deposits. Historically, the term niter was not well differentiated from natron, both of which have been very vaguely defined but generally refer to compounds of sodium or potassium joined with carbonate or nitrate ions.

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