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Katal  | Amantej Hundal ft. Deep Jandu | Latest Punjabi Song 2016
Katal | Amantej Hundal ft. Deep Jandu | Latest Punjabi Song 2016
Published: 2016/09/11
Channel: Nava Mp3 Audio
Live katal kand....
Live katal kand....
Published: 2017/08/14
Channel: 420 ਆਲੇ
Fatehgarh sahib, Nihag Singh da katal Nihag Singh ne kita...
Fatehgarh sahib, Nihag Singh da katal Nihag Singh ne kita...
Published: 2017/07/15
Channel: RK Fatehgarhia
KATAL DEFENSE SYSTEM Réaction en situation de rue
KATAL DEFENSE SYSTEM Réaction en situation de rue
Published: 2016/08/25
Channel: Katal Defense
sangroor/bhatije.ne chache da berehmi naal kita katal/must.watch and share video
sangroor/bhatije.ne chache da berehmi naal kita katal/must.watch and share video
Published: 2018/02/18
Channel: R TV
KATAL KARE [OFFICIAL VIDEO] JAY STATUS  & DJ SANJ
KATAL KARE [OFFICIAL VIDEO] JAY STATUS & DJ SANJ
Published: 2012/05/24
Channel: Moviebox Record Label
Ludhiyana katal kand
Ludhiyana katal kand
Published: 2017/07/25
Channel: kuldeep rai
New Punjabi Songs 2016 | Qatal | Suri Kamboj | Parmish Verma | Latest Punjabi Songs 2016
New Punjabi Songs 2016 | Qatal | Suri Kamboj | Parmish Verma | Latest Punjabi Songs 2016
Published: 2016/09/26
Channel: shemaroopunjabi
Zainab ka katil akhir pkra gya .........pori Pakistani kom iska katal chahti ha
Zainab ka katil akhir pkra gya .........pori Pakistani kom iska katal chahti ha
Published: 2018/01/15
Channel: Waheed Ansari
Zainab ka KATAL pakra gia... Zainab raep case Qatal
Zainab ka KATAL pakra gia... Zainab raep case Qatal
Published: 2018/01/12
Channel: Trending pranks
LUDHIANA father ne kita apni kudi te us de ashik da katal
LUDHIANA father ne kita apni kudi te us de ashik da katal
Published: 2018/02/21
Channel: Punjab da media
Live katal
Live katal
Published: 2017/10/31
Channel: Joban Sidhu
Katal [ Bass Boosted ] | Amantej Hundal ft. Deep Jandu | Latest Punjabi Song 2017
Katal [ Bass Boosted ] | Amantej Hundal ft. Deep Jandu | Latest Punjabi Song 2017
Published: 2017/01/11
Channel: DESI BASS NATION
Ningol Mawa Katal part 2
Ningol Mawa Katal part 2
Published: 2017/12/18
Channel: Pupu's Folk Tales
Canada
Canada 'ਚ Munde ਨੇ ਕੀਤਾ ਪਤਨੀ ਤੇ ਸੱਸ ਦਾ Katal
Published: 2018/01/14
Channel: channel punjab
Zainab ko katal karny waly mubaina shakhas ki nai video
Zainab ko katal karny waly mubaina shakhas ki nai video
Published: 2018/01/13
Channel: DawnNews
sukha Khalon in Katal video official
sukha Khalon in Katal video official
Published: 2017/08/20
Channel: Haryanvi Kartoos
Marathi Short film KATAL  trailer
Marathi Short film KATAL trailer
Published: 2017/04/28
Channel: kirtikumar magadum
Watch New CCTV Footage Of Zainab | Clear See Zainab murder Katal |
Watch New CCTV Footage Of Zainab | Clear See Zainab murder Katal |
Published: 2018/01/11
Channel: bollywood dishoom masala
samana punjab/ghar ch.loot karke kita katal/must watch.and share video
samana punjab/ghar ch.loot karke kita katal/must watch.and share video
Published: 2018/02/20
Channel: R TV
kila raipur ludhiana ch live ho ke kita katal
kila raipur ludhiana ch live ho ke kita katal
Published: 2017/05/29
Channel: Punjab da media
friendship ne lai jaan/kita paise pishe katal/punjab
friendship ne lai jaan/kita paise pishe katal/punjab
Published: 2017/09/05
Channel: R TV
Ningol Mawa Katal part 1
Ningol Mawa Katal part 1
Published: 2017/12/11
Channel: Pupu's Folk Tales
katal kanni
katal kanni
Published: 2012/09/28
Channel: Krishanthan Arudpragasam
gangster rupinder gandhi  de brother mindi da goliya mar ke kita katal/must watch and share
gangster rupinder gandhi de brother mindi da goliya mar ke kita katal/must watch and share
Published: 2017/08/20
Channel: R TV
Vicky gonder fir karega katal, eh banega nishana
Vicky gonder fir karega katal, eh banega nishana
Published: 2017/06/20
Channel: DAINIKMAIL PUNJABI TV
Fatehgarh sahib de bibaangarh gurudwara sahib vikhe hoyea katal
Fatehgarh sahib de bibaangarh gurudwara sahib vikhe hoyea katal
Published: 2017/07/15
Channel: Kabaddi 366
Zainab Kasur katal case CCTV video | Zainab Kasur | Zainab video | Kasur scandal | Kasur Zainab
Zainab Kasur katal case CCTV video | Zainab Kasur | Zainab video | Kasur scandal | Kasur Zainab
Published: 2018/01/10
Channel: Playful info
yelu katal thaandi...
yelu katal thaandi...
Published: 2017/06/05
Channel: Rocker Marudhu's
Katal - Minda Singh || Panj-aab Records || Latest Punjabi Song 2014 || Full HD
Katal - Minda Singh || Panj-aab Records || Latest Punjabi Song 2014 || Full HD
Published: 2014/11/16
Channel: Panj-aab Records
Vadimar katal besha 2017
Vadimar katal besha 2017
Published: 2017/11/19
Channel: allsong movie
Husband ne kita apne wife da berehmi.naal katal/must watch and share
Husband ne kita apne wife da berehmi.naal katal/must watch and share
Published: 2017/08/22
Channel: R TV
gasti ke ade pe katal hsoshiarpur
gasti ke ade pe katal hsoshiarpur
Published: 2015/11/24
Channel: Ashwanikumar Sharma
Husan Katal FULL SONG Amantej Hundal FT Elly Mangat Deep Jandu Brand New Punjabi Song 2016 Yo   YouT
Husan Katal FULL SONG Amantej Hundal FT Elly Mangat Deep Jandu Brand New Punjabi Song 2016 Yo YouT
Published: 2017/05/28
Channel: Veer Param
Sikh  ਨੌਜਵਾਨ ਧਰਮਪ੍ਰੀਤ ਦਾ  America
Sikh ਨੌਜਵਾਨ ਧਰਮਪ੍ਰੀਤ ਦਾ America 'ਚ ਬੇਰਿਹਮੀ ਨਾਲ ਹੋਇਆ Katal
Published: 2017/11/16
Channel: channel punjab
Ludhiana vich sahure parivar ne kita nuh da katal/must watch and share
Ludhiana vich sahure parivar ne kita nuh da katal/must watch and share
Published: 2017/10/03
Channel: R TV
Katal ( Harsh Dhola Majra) Full Audio/ KS / Aman Buhavi
Katal ( Harsh Dhola Majra) Full Audio/ KS / Aman Buhavi
Published: 2018/02/02
Channel: Royal Records
Talwandi Sabo
Talwandi Sabo's latest twist in the katal case
Published: 2017/06/11
Channel: channel punjab
hathan katal kand
hathan katal kand
Published: 2018/01/18
Channel: Amrinder Wraich
putar ne.kita ma ate bhara da.katal/must.watch.and share video
putar ne.kita ma ate bhara da.katal/must.watch.and share video
Published: 2018/02/16
Channel: R TV
amritsar ch ahate wale da goli mar k kita katal/must watch and share
amritsar ch ahate wale da goli mar k kita katal/must watch and share
Published: 2017/07/08
Channel: R TV
Amritsar ch munde da goliyan mar ke katal
Amritsar ch munde da goliyan mar ke katal
Published: 2018/02/22
Channel: Punjab da media
Bakhtiar Khattak And Hamayoon Khan New Song 2015   Ta Cha Ta Katal
Bakhtiar Khattak And Hamayoon Khan New Song 2015 Ta Cha Ta Katal
Published: 2016/06/11
Channel: AVT Khyber Official
MANILA gye punjabi munde da goli mar ke kita gya katal
MANILA gye punjabi munde da goli mar ke kita gya katal
Published: 2017/12/17
Channel: punjab viral news
AURAT nal munde da nazayaz smband ne karvaya munde da katal
AURAT nal munde da nazayaz smband ne karvaya munde da katal
Published: 2018/02/17
Channel: Punjab da media
chora ne berehmi.naal.kita katal
chora ne berehmi.naal.kita katal
Published: 2018/02/21
Channel: spark punjabi news
CS:GO ΑΠΟ ΤΑ ΚΑΛΥΤΕΡΑ ΜΟΥ GAMES ft Cpt.Katal
CS:GO ΑΠΟ ΤΑ ΚΑΛΥΤΕΡΑ ΜΟΥ GAMES ft Cpt.Katal
Published: 2017/06/20
Channel: KafroGamer
rupinder gandhi de brother manvinder mindi de katal mamle te sukhbir badal ba vada bayan
rupinder gandhi de brother manvinder mindi de katal mamle te sukhbir badal ba vada bayan
Published: 2017/08/21
Channel: Punjab da media
Jalandhar ch raat nu suti payi aurat da kita katal/must watch and share
Jalandhar ch raat nu suti payi aurat da kita katal/must watch and share
Published: 2017/11/25
Channel: R TV
KATAL KALAA LIVE #1
KATAL KALAA LIVE #1
Published: 2017/03/21
Channel: Bandish Projekt
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Katal
Unit system SI derived unit
Unit of catalysis
Symbol kat 
In SI base units: mol/s

The katal (symbol: kat) is the SI unit of catalytic activity.[1] It is a derived SI unit for quantifying the catalytic activity of enzymes (measuring the enzymatic activity level in enzyme catalysis) and other catalysts. Its use is recommended by the General Conference on Weights and Measures and other international organizations. It replaces the non-SI enzyme unit. Enzyme units are, however, still more commonly used than the katal in practice at present, especially in biochemistry.

The katal is not used to express the rate of a reaction; that is expressed in units of concentration per second (or moles per liter per second). Rather, it is used to express catalytic activity which is a property of the catalyst. The katal is invariant of the measurement procedure, but the numerical quantity value is not and depends on the experimental conditions. Therefore, in order to define the quantity of a catalyst, the rate of conversion of a defined chemical reaction is specified as mols reacted per second. One katal of trypsin, for example, is that amount of trypsin which breaks a mole of peptide bonds per second under specified conditions.

Definition[edit]

SI multiples[edit]

SI multiples for katal (kat)
Submultiples Multiples
Value SI symbol Name Value SI symbol Name
10−1 kat dkat decikatal 101 kat dakat decakatal
10−2 kat ckat centikatal 102 kat hkat hectokatal
10−3 kat mkat millikatal 103 kat kkat kilokatal
10−6 kat µkat microkatal 106 kat Mkat megakatal
10−9 kat nkat nanokatal 109 kat Gkat gigakatal
10−12 kat pkat picokatal 1012 kat Tkat terakatal
10−15 kat fkat femtokatal 1015 kat Pkat petakatal
10−18 kat akat attokatal 1018 kat Ekat exakatal
10−21 kat zkat zeptokatal 1021 kat Zkat zettakatal
10−24 kat ykat yoctokatal 1024 kat Ykat yottakatal

Origin[edit]

The name "katal" has been used for decades, and the unit became an official SI unit in 1999. The name comes from the Ancient Greek κατάλυσις (katalysis or katalusis), meaning "dissolution",[2] which is the same origin as the word "catalysis" itself comes from.[2]

References[edit]

  1. ^ Nomenclature Committee of the International Union of Biochemistry (NC-IUB) (1979). "Units of Enzyme Activity". Eur. J. Biochem. 97 (2): 319–20. doi:10.1111/j.1432-1033.1979.tb13116.x. 
  2. ^ a b Houghton Mifflin Harcourt, The American Heritage Dictionary of the English Language, Houghton Mifflin Harcourt. 

External links[edit]


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