Total kjeldahl nitrogen

Total Kjeldahl Nitrogen - thewastewaterblo

  1. The Total Kjeldahl Nitrogen (TKN) test combines the measurement of the organic nitrogen and the ammonia nitrogen concentrations into a single value. Therefore, you must run a separate ammonia test, the value of which is subtracted from the TKN value, to obtain the organic nitrogen concentration
  2. ケルダール窒素 ( ケルダール ちっそ 、Total Kjeldahl Nitrogen、TKN)とは 全窒素 のうち 、 有機態窒素 と アンモニア態窒素 の 総称の ことで あり、 汚染 の 指標 などに 用いられる
  3. o acids and proteins, nitrogen is essential for living organisms to function
  4. Total Nitrogen (TN) is the sum of nitrate-nitrogen (NO3-N), nitrite-nitrogen (NO2-N), ammonia-nitrogen (NH3-N) and organically bonded nitrogen. Total Nitrogen (TN) should not be confused with TKN (Total Kjeldahl Nitrogen) which is the sum of ammonia-nitrogen plus organically bound nitrogen but does not include nitrate-nitrogen or nitrite-nitrogen
  5. In AOAC Official Method 955.04, Nitrogen (Total) in Fertilizers, Kjeldahl Method, fertilizer materials are analyzed using mercuric oxide or metallic mercury HgO or Hg) as a catalyst. AOAC Official Methods 970.02, Nitrogen (Total) in Fertilizers is a comprehensive total nitrogen (including nitrate nitrogen) method adding chromium metal
  6. Total nitrogen is the sum of total kjeldahl nitrogen (ammonia, organic and reduced nitrogen) and nitrate-nitrite. It can be derived by monitoring for organic nitrogen compounds, free-ammonia, and nitrate-nitrite individually and adding the components together
  7. escence Detection. This method measures TN from 0.2 - 500 mg/L with concentrations up to 10,000 mg/L possible by sample dilution

How do you say Total Kjeldahl Nitrogen? Listen to the audio pronunciation of Total Kjeldahl Nitrogen on pronouncekiwi Sign in to disable ALL ads. Thank you for helping build the largest language community on the internet.. PENETAPAN NITROGEN TOTAL METODE KJELDAHL #Penetapan Kadar Protein Dalam Tauco Dengan Metode Kjeldahl #Laporan Tutorial Nanoteknologi Dan Energ #Template Laporan Praktikum #Soal Mengenal Biologi #Daftarpemenang Universitas Kristen Satya Wacana #Mp Pengorganisasian Kegiatan Ilmiah #Pro Environment Pape

Total Kjeldahl Nitrogenの意味・使い方・読み方 Weblio英和辞

Total Kjeldahl Nitrogen (TKN) is the sum of organic nitrogen and ammonia. Nitrogen is found in human waste, foods, certain soaps, and cleaning detergents and discharges from industrial and commercial sources. Urea/urine is the largest source of nitrogen in residential wastewater El nitrógeno total Kjeldahl es un indicador utilizado en química analítica cuantitativa. Determina la suma del nitrógeno orgánico en sus diversas formas (proteínas y ácidos nucleicos en diversos estados de degradación, urea, aminas, etc.) y el ion amonio NH 4+, presentes en una muestra de agua

The Kjeldahl method is used to determine the nitrogen content in organic and inorganic samples. For more than 100 years the Kjeldahl method has been used for the determination of nitrogen in a wide range of samples The kjeldahl nitrogen in the sample is first converted to ammonia by metal-catalyzed acid digestion. The resulting ammonia is then separated from the sample by distillation. The ammonia released is captured in a dilute sulfuric acid solution. A procedure is given for removal of the ammonia present in the sample prior to digestion Total Kjeldahl nitrogen is a commonly used and prescribed standard for nitrogen measurement in many industries. It measures the combined level of organic nitrogen and ammonium. It measures the combined level of organic nitrogen and ammonium

Total Kjeldahl Nitrogen: lt;p|>The |Kjeldahl method| or |Kjeldahl digestion| (|Danish pronunciation: |||[ˈkʰɛld æːˀl]||) i... World Heritage Encyclopedia, the. Determination of total hardness in a given water sample - Duration: 5:50 . Rakesh Thakur 20,451 views 5:50 BUCHI Kjeldahl Automatic Application - Duration: 5:42. Als Total Kjeldahl Nitrogen (Gesamter Kjeldahl-Stickstoff) oder TKN wird die Summe von organischem Stickstoff und Ammonium (NH 4+) in einer Analysenprobe bezeichnet. Dieser Wert wird zum Beispiel in der biologischen Abwasserbehandlung und in der Approximation des Proteingehalts von Lebensmitteln benötigt

TKN (Total Kjeldahl Nitrogen) is the total concentration of organic nitrogen and ammonia. The original TKN method was developed by the Danish chemist Johan Kjeldahl in 1883. Today, TKN is a required parameter for regulatory reporting at many plants but is also used to provide a means of monitoring plant operations.. The Total Kjeldahl Nitorgen Assay is an analytical chemistry method for the quantitative determination of nitrogen in chemical substances developed by Johan Kjeldahl. The method consists of heating.. Total nitrogen is the sum of all the forms of nitrogen in your sample which includes Nitrate, Nitrite, Ammonia and Organic nitrogen (The ammonia and organic nitrogen together is called as Kjeldahl.

Total Kjeldahl Nitrogen (TKN) is the U.S. EPA-approved parameter used to measure organic nitrogen and ammonia. The TKN content of influent municipal wastewater is typically between 35 and 60 mg/L. Organic nitrogen compounds in wastewater undergo microbial conversion to NH 3 and ammonium ion NH+ 4 Kjeldahl Nitrogen, Total (TKN) 1000mg/L Calibration Standard 1 Product Result | Match Criteria: Product Name TKN1000 certified reference SDS Product Result | Match Criteria : Property, Description, Product 1.14963 ® pricing.

Kjeldahl nitrogen determination (EN 25663) (TKN = Total Kjeldahl Nitrogen) This method only contains ammonium nitrogen and organic nitrogen compounds. The determination of total nitrogen, according to the German Federal Water Act (WHG/ AbwAG) involves the measurement of the sum of all inorganic nitrogen, such as nitrate, nitrite and ammonia Total Kjeldahl Nitrogen is versatile and effective The Kjeldahl analysis is extremely versatile, as it can handle a very wide range of samples from food & feed (grain, meat, fish, milk, dairy, fruit, vegetables), beverages, environmental (agriculture, oilseeds, soil, fertilizers, water, wastewater, sludge) to chemical and pharmaceutical industries (paper, textiles, rubber, plastic, polymer) A closed-vessel microwave digestion process for the determination of total Kjeldahl nitrogen (TKN) has been developed for sewage and wastewater. TKN values obtained from the microwave digestion method were in excellent agreement with those of the thermal digestion method. The accuracy of both analytical methods i Total Kjeldahl Nitrogen (TKN), mg/l = ( A - B ) *14,000 * N ปร มาตรของต วอย าง, ml A = ปร มาตรของสารละลายมาตรฐาน H 2 SO 4 ท ใช สำหร บต วอย าง (ml) B = ปร มาตรของสารละลาย.

Total Nitrogen in Wastewater - CHEMSCA

Nitrogen, Total Kjeldahl DOC316.53.01091 Nessler Method1 Method 8075 1 to 150 mg/L TKN Reagent Solution Scope and application: For water, wastewater and sludge; digestion is required. 1 Adapted from Hach, et. al., Journal of Association of Official Analytical Chemists, 70(5) 783-787 (1987); Hach, et. al., Journal of. Total Kjeldahl Nitrogen için 1 ses telaffuz Total Kjeldahl Nitrogen telaffuz, ve daha fazlası. Sözlük Koleksiyonlar

Determination of kjeldahl nitrogen in fertilizers by AOAC

  1. ation in water, wastewater, and sludg
  2. 2.2 Total Kjeldahl nitrogen is the sum of free-ammonia and organic nitrogen compounds which are converted to ammonium sulfate (NH ) SO , under the 42 4 conditions of digestion described. 2.3 Organic Kjeldahl nitrogen is the 2.4.
  3. Kjeldahl nitrogen is a typical titration application, following digestion and ammonia. Please use one of the following formats to cite this article in your essay, paper or report: APA Metrohm AG. (2020, May 16)
  4. ing nitrogen concentration in organic and inorganic samples. The deter
  5. Total ammonia nitrogen concentration may be measured by wet chemistry procedures, test kits and electronic meters. The ammonia concentration must be calculated from the total ammonia nitrogen concentration by aid of the 3 ..
  6. Eutrophication, Nutrient Pollution, Total Kjeldahl Nitrogen (TKN), Ion Chromatography (IC), Total Phosphorus Introduction Excess use of nutrients over the last several decades has caused significant water quality and health issue
  7. Total Kjeldahl nitrogen is the sum of free-ammonia and organic nitrogen compounds which are converted to ammonium sulfate (NH 4) 2 SO 4, under the conditions of digestion described. Organic Kjeldahl nitrogen is the difference obtained by subtracting the free ammonia value from the total Kjeldahl nitrogen value

Total Nitrogen Unit - ASTM D8083 Shimadzu TNM-

Total Kjeldahl Nitrogen 1000-1000 mg/L Methods EPA 351.2 EPA 351.3 SM 18/19thED 4500NH3-D SM 18th ED 4500-NH3 F SM 18th ED 4500-NH3 G SM 18th ED 4500-NH3C SM 18th ED 4500-NH3E SM 18th ED 4500-NorgB. Total Kjeldahl nitrogen (TKN) is the sum of organic nitrogen, ammonia (NH 3), and ammonium (NH 4 +) in the chemical analysis of soil, water and wastewater. Specifications View example COA for QC1575 Note - The link provided is an example certificate of analysis (COA) only and may not be the lot that you receive

How To Pronounce Total Kjeldahl Nitrogen: Total Kjeldahl

Hach Company TNTplus 880 Method 10242 Simplified Spectrophotometric Measurement of Total Kjeldahl Nitrogen in Water and Wastewater Revision 1.1 January 10, 2013 1.0 Scope and Application 1.1 This method is for the 1. 315 Total Kjeldahl Nitrogen (TKN) Fertility: TKN Summary The Total Kjeldahl Nitrogen (TKN) method is based on the wet oxidation of soil organic matter and botanical materials using sulfuric acid and digestion catalyst and conversion. Total Kjeldahl Nitrogen (TKN) FIAlab standard method for the Total Kjeldahl Nitrogen (TKN) Assay using the FIAlab-2500/2600/2700 system. Assay Typ ical hroughput ConcentratonRange Notes Ammonia (Mid) 120 samples/hour.

Penetapan Nitrogen Total Metode Kjeldahl

Nitrógeno total Kjeldahl - Wikipedia, la enciclopedia libr

Total nitrogen is the sum of the inorganic nitrogen, organic nitrogen, and ammonia. The sum of organic nitrogen and ammonia, total Kjeldahl nitrogen (TKN), are traditionally measured using EPA methods 351.2 and 351.4, whil ASTM E258-07(2015), Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method (Withdrawn 2019), ASTM International, West Conshohocken, PA, 2015, www.astm.org Back to To Total Kjeldahl nitrogen (TKN, ammonia plus organic nitrogen) is a common measurement used to quantify nitrogen loading in urban runoff and wastewater treatment; it is calculated in addition to nitrite-nitrate and total and garden 1.

(PDF) The use of microwaves in the acceleration of

Measuring nitrogen levels with the Kjeldahl method Cytiva

Kjeldahl determination of nitrogen and protein Sample preparation, digestion, distillation and titration Optimal conditions are achieved when the conden-sation zone remains 5 cm below the constriction of the sample tube. The digestio Total Nitrogen, Total Kjeldahl Nitrogen, and Total Phosphorus as per ASTM D8001 Kjeldahl nitrogen is a typical titration application that follows digestion and ammonia distillation. The ASTM Standard D8001 now offers an alternative applying persulfate digestion followed by IC determination 2.2 Total Kjeldahl nitrogen is the sum of free-ammonia and organic nitrogen compounds which are converted to ammonium sulfate (NH 42 ) SO 4 , under the conditions of digestion described. 2.3 Organic Kjeldahl nitrogen is th Kjeldahl nitrogen determinations are performed on food and beverages, meat, feed, grain, waste water, soil and many other samples. The method has been refined and tested for a wide variety of substances and approved by various. Kjeldahl Method, Principle and Methodology of Kjeldahl Method, Kjeldahl Method for for Nitrogen Estimation, Principle of Kjeldahl Method, Methodology of Kjel..

Total Kjeldahl Nitrogen Project Gutenberg Self-Publishing

  1. Total Nitrogenを解説文に含む見出し語の検索結果です。ケルダール窒素(ケルダールちっそ、Total Kjeldahl Nitrogen、TKN)とは全窒素のうち、有機態窒素とアンモニア態窒素の総称のことであり、汚染の指標などに用いられる。関連項目.
  2. total nitrogen Environmental Analysis - KjelDigester Total Kjeldahl Nitrogen (TKN), phosphate Beverage - Digestion Protein Pharmaceutical / Cosmetics - Digestion Organic nitrogen, urea See more applications Expert Advice.
  3. 英語で定義:Total Kjeldahl Nitrogen TKNの他の意味 ケルダール窒素します。 以外にもTKN には意味があります。これらは、以下の左側にリストされています。下にスクロールしてクリックすると、それぞれが表示されます。TKN のすべての.
  4. The total Kjeldahl nitrogen (TKN) method was simplified by using a manifold connected to a purge-and-trap system immersed into an ultrasonic (US) bath for simultaneous ammonia (NH 3) extraction from many previously digested samples.) extraction from many previously digested samples

850 Total Kjeldahl Nitrogen - TKN TKN Summary The Total Kjeldahl Nitrogen (TKN) method is based on the wet oxidation of nitrogen using sulfuric acid and digestion catalyst. The procedure converts organic nitrogen to the ammonium. Total Kjeldahl Nitrogen TKN is the sum of organic nitrogen, ammonia (NH3), and ammonium (NH4+) in the chemical analysis of soil, water, or wastewater. Academic & Science » Chemistry Add to My List Edit this Entry Rate it:.

Home / Total Kjeldahl Nitrogen (TKN) Additional notes from Canadian government: CANADA Total Kjeldahl Nitrogen (TKN) - refers to a method used in the determination of nitrogen in its trinegative state including organic nitrogen plus ammonia nitrogen Title Print Total Kjeldahl Nitrogen.tif (16 pages) Author judyl Created Date 11/7/2003 2:10:29 P Kjeldahl method, in analytical chemistry, procedure widely used for estimating the nitrogen content of foodstuffs, fertilizers, and other substances, invented in 1883 by a Danish chemist, Johan G.C.T. Kjeldahl. The metho Kjeldahl's visionary idea of providing a simple method for nitrogen and protein determinations, which also can be carried out by non academic lab personnel, has been put into practice by Büchi's Kjeldahl systems since 1961

Definíció angol nyelven: Total Kjeldahl Nitrogen Egyéb Az TKN jelentése A Összes Kjeldahl-nitrogén mellett a TKN más jelentéssel is bír. Ezek a bal oldalon vannak felsorolva. Görgessen le és kattintson az egyesek Több ‹ ›. Oxidative pyrolysis causes the chemically bound nitrogen to be converted to nitric oxide, which is measured by CLD The Formacs TN analyzer also provides a unique cost-effective and safer alternative for Total Kjeldahl Nitrogen Recovery of Nitrogen from Standard Solutions of Ammonium Sulfate by Micro-Kjeldahl Method 1 ml. aliquots containing 0.5662 mg. of nitrogen were used in all cases. Nitrogen found w. 0.5658 0.5686 0.5699 0.567

Estimation of nitrogen using micro-kjeldahl appratus - YouTub

Total kjeldahl nitrogen (TKN) is an involved test that many wastewater treatment facility laboratories are not equipped to perform. If you can't perform this test, do not use this as an excuse to ignore monitoring the nitrogen cycl Total Kjeldahl Nitrogen (TKN) is the sum of organic nitrogen, ammonia, and ammonium in a water body. High TKN concentrations can indicate sewage and manure discharges are present in the water body. Nitrogen is an essential. The Nitrogen-Kjeldahl is part of the Total Nitrogen. This includes the organic nitrogen and ammonia/ammonium. In soil samples, most of the Nitrogen is present as organic Nitrogen and Ammonia. The nitrite and nitrate are. DETERMINATION OF TOTAL KJELDAHL NITROGEN 4 Introduction Nitrogen exists usually in three forms: I. Atmospheric nitrogen II. As organic compounds like protein, urea, nucleic acids, tertiary amines, aromatic nitr

Total Kjeldahl Nitrogen - Wikipedi

Simplified TKN (s-TKN™): TKN Finally Made Easy

Nitrogen, Simplified TKN (s-TKN ) Nitrogen, Simplified Total Kjeldahl, TNTplus 880, 10242 Nitrogen, Simplified TKN (s-TKN ) DOC316.53.01258 s-TKN Method Method 10242 0 to 16 mg/L TKN TNTplus 880 Scope and. Total Kjeldahl Nitrogen Colorimetric Testing for Discrete and Segmented Flow Analyzers Sarah Leibenguth SEAL Analytical Topics for Discussion •Method Principle •Digestion Protocol •Temperature •Digestion Block •Acid and. Muchos ejemplos de oraciones traducidas contienen total Kjeldahl nitrogen - Diccionario español-inglés y buscador de traducciones en español. Traductor Traduce cualquier texto gracias al mejor traductor automático del mund

Total Kjeldahl Nitrogen (Lachat Method) Grace Analytical Lab 536 South Clark Street 10th Floor Chicago, IL 60605 April 15, 1994 Revision 2 3-277 Standard Operating Procedure for Total Kjeldahl Nitrogen (Lachat Method) 1.0 1.1. Title Total Kjeldahl Nitrogen for NPDES/SDS Reporting Author Minnesota Pollution Control Agency - Brandy Baker-Muhich \(Henry Bochenski\) Subject EAQ QA staff and Wastewater permitting staff will use this for guidance related. The Kjeldahl procedures generally employed for determination of total‐nitrogen involve two steps: digestion of the sample to convert the nitrogen to ammonium; determination of the ammonium in the digest Nitrogen Determination by Kjeldahl Method In recent years, the equipment has further gone some significant changes and aluminum or ceramic heating blocks are used. This setup can even accept several straight digestion tubes at once

Hach simplified total Kjeldahl nitrogen TNTplus vial test, 0-16 mg/l N $190.80 S-56 - Sodium Hydroxide-Sodium Thiosulfate Reagent, APHA for Kjeldahl Nitrogen (S56 ケルダール法(ケルダールほう、Kjeldahl method)は、化学物質に含まれる窒素の量を求める分析方法。 ヨハン・ケルダール (英語版) によって考案された。 まず試料を硫酸と混ぜて加熱し、含まれる窒素を硫酸アンモニウムに変換する Total Kjeldahl Nitrogen Academic & Science » Physics Add to My List Edit this Entry Rate it: (4.50 / 8 votes) Translation Find a translation for Total Kjeldahl Nitrogen in other languages: Select another language: - Select.

TKN (total Kjeldahl nitrogen) does (total persulfate nitrogen), these not include NO-and NO--N, hence values must be2added ti TKN. for comparison with TPN Two milliliters of digestion mixture and two glass heated to volatilize. Total Kjeldahl Nitrogen $ 28.00 + GST Total Kjeldahl Nitrogen quantity Add to cart SKU: 61T060 Category: Water Testing Tag: Total Kjeldahl Nitrogen Description Additional information Description 50mL of sample required , ,. Total Nitrogen Methods Fact Sheet July 21, 2014 Summary: The SFWMD Laboratory is changing the way it determines total nitrogen in water samples. The (TN) approach for many years has been to determine two forms of nitrogen 040/2010 SpeedDigester K-436, K-439 / Kjeldahl Sampler System K-370/K-371 Determination of Total Kjeldahl Nitrogen (TKN) in Water and Waste Water using 300 ml Sample Tubes040/2010 SHORT NOTE SpeedDigester K-436 / Kjeldahl nitrogen (TKN), which measures a combination of organic N and ammonia+ammonium. Since N Since N can transform from one form to another, it is often considered in its totality as total nitrogen (TN)

TKN (Total Kjeldahl Nitrogen) This form of nitrogen is defined by the test method used (i.e. a 'Kjeldahl' digestion) which determines nitrogen in the trivalent state. The method does not determine nitrogen present in azide, azine, az Kjeldahl method The Kjeldahl method was developed in 1883 by a brewer called Johann Kjeldahl. A food is digested with a strong acid so that it releases nitrogen which can be determined by a suitable titration technique Total Kjeldahl Nitrogen (TKN) analysis determines both the organic and the inorganic forms of nitrogen. The analysis starts with an acid digestion of the sample organics, converting organic nitrogen to ammonia. This require Kjeldahl method of nitrogen analysis is the worldwide standard for calculating the protein content in a wide variety of materials ranging from human and animal food, fertilizer, waste water and fossil fuels Although the Total Kjeldahl Nitrogen (TKN) method is the current standard method for organic nitrogen analysis, it is acknowledged as being extremely tedious, time consuming and detrimental to the environment

Kjeldahl nitrogen determinations are performed on a variety of substances such as meat, feed, grain, waste water, soil, and many other samples. Various scientific associations approve and have refined the Kjeldahl metho While the key methodologies of the Kjeldahl and Dumas methods are quite distinct from one another, they share the same end goal of calculating the total nitrogen content of the sample. For food samples, a linear relationshi 3 Nitrogen (Total/Kjeldahl) where W S = Weight of sample (g) C D = Concentration in the digest (mg N/I) 10. Quality Control 10.1 Laboratory Reagent Blank (LRB) - At least one LRB must be analyzed with each batch o Traduction anglaise : Total Kjeldahl nitrogen / TKN Dernière mise à jour : 8/7/2020 L'azote total Kjeldahl, noté NTK, représente l'ensemble des formes réduites de l'azote contenues dans les eaux, c'est-à-dire la somme de l'azote organique et de l' azote ammoniacal (ce qui exclut les nitrites et les nitrates )

mation to nitrate (Zhang and Gao 2000). Total Kjeldahl Nitrogen (TKN) is a chemical analysis to ascertain both the organic and the ammonia nitrogen. The TKN value cor-responds to a total nitrogen concentration, which is the Total Inorganic Nitrogen (TIN) Ammonia (NH3) Ammonium (NH4) Nitrate (NO3) Nitrite (NO2) Total Kjeldahl Nitrogen (TKN) Total Nitrogen (TN) Related Answers What is the difference between a reagent blank and a sample.

what is Total Kjeldahl Nitrogen? Yahoo Answer

  1. Total Kjeldahl nitrogen, reagents for digestion Overview Details Downloads Gallery Product #: LCW909 GBP Price: Contact Us Ships within 1 week Shipping Policy and Rates Terms and Conditions DOCUMENTS & CATALOGUES.
  2. ed directly by removal of ammonia befor
  3. ary Distillation/Digestion ------- Method 1687 Acknowledgments This method was prepared under the direction of William A. Telliard of the U.S. Environmental Protection Agency's (EPA's) Office of Water

Total Kjeldahl Nitrogen (TKN) Analysis is the standard method for determining protein in milk. Find out how one dairy factory automated the titration portion of their analysis and improved accuracy and saved time Nevertheless the following environmental guidelines have been set for total nitrogen (ANZECC, 1992). Rivers and steams: 100-750 micrograms/L (0.0001 to 0.00075 g/L) (as total-nitrogen) Lakes and reservoirs: 100-500 microgram

What is the procedure for determination of total nitrogen and

Comparison with Smalley total Kjeldahl nitrogen and combustion results. J. Am. Oil Chem. Soc. 1994, 71, p. 1291-1293 [21] B icsak, R.C. Comparison of Kjeldahl method for determination of crude protein in cereal grains and 7 翻訳 API MyMemory について ログイ TOTAL KJELDAHL NITROGEN (TKN) HISTORY • TKN Method first presented on 7-March-1883 by Johan Kjeldahl (1849-1900) as a novel method for analyzing protein • Numerous Applications: -Wastewater Treatment for nitrogen Total nitrogen is the sum of total kjeldahl nitrogen (organic and reduced nitrogen), ammonia, and nitrate-nitrite. It can be derived by monitoring for total kjeldahl nitrogen (TKN), ammonia and nitrate-nitrite individually and adding th

Kjeldahl Nitrogen Analyzer KNA 8, Distillation UnitTotal Nitrogen Determination - Traditional and Modern MethodsVAPODEST® (Chinese) - Premium solution for Kjeldahl - YouTubeestimation of total protein, albuminProcedure on Kjeldahl method :) - YouTubeA New Method for Determination of Total Nitrogen in
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