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# 10X TBE buffer

7 replies to this topic

### #1 noufy O noufy

noufy O noufy

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Posted 24 February 2010 - 05:32 AM

hello everybody,

i'm a new member here in the forum, its really useful and very interesting forum. i have a question about TBE buffer, may anybody help me what is the meaning of 10X??? what is the meneaing of this X, is it concentration or strength or what? and if it is concentation how is it calaulated, is there any laws to calculate it ? i've searth may times and didn't finde any answes ????

i appreciate any help

### #2 T C

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Posted 24 February 2010 - 05:44 AM

Hey,

X refers to the concentration. It is a 10 times concentrated stock. You generally use reagents at 1X.

Use 10X * Volume of 10X stock to be used= 1X * Final volume.

Hope this helps.

Best Wishes,
TC

hello everybody,

i'm a new member here in the forum, its really useful and very interesting forum. i have a question about TBE buffer, may anybody help me what is the meaning of 10X??? what is the meneaing of this X, is it concentration or strength or what? and if it is concentation how is it calaulated, is there any laws to calculate it ? i've searth may times and didn't finde any answes ????

i appreciate any help

### #3 noufy O noufy

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Posted 24 February 2010 - 09:24 AM

Hey,

X refers to the concentration. It is a 10 times concentrated stock. You generally use reagents at 1X.

Use 10X * Volume of 10X stock to be used= 1X * Final volume.

Hope this helps.

Best Wishes,
TC

hello everybody,

i'm a new member here in the forum, its really useful and very interesting forum. i have a question about TBE buffer, may anybody help me what is the meaning of 10X??? what is the meneaing of this X, is it concentration or strength or what? and if it is concentation how is it calaulated, is there any laws to calculate it ? i've searth may times and didn't finde any answes ????

i appreciate any help

thanks TC,
but excuse me what do you mean by reagents, if i understand you correctly you mean tris base, EDTA and boric acid. and the law that you worte is for 10X or 1X prepartion .

### #4 scolix

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Posted 24 February 2010 - 10:37 AM

Hey,

X refers to the concentration. It is a 10 times concentrated stock. You generally use reagents at 1X.

Use 10X * Volume of 10X stock to be used= 1X * Final volume.

Hope this helps.

Best Wishes,
TC

hello everybody,

i'm a new member here in the forum, its really useful and very interesting forum. i have a question about TBE buffer, may anybody help me what is the meaning of 10X??? what is the meneaing of this X, is it concentration or strength or what? and if it is concentation how is it calaulated, is there any laws to calculate it ? i've searth may times and didn't finde any answes ????

i appreciate any help

thanks TC,
but excuse me what do you mean by reagents, if i understand you correctly you mean tris base, EDTA and boric acid. and the law that you worte is for 10X or 1X prepartion .

Here, reagent is the TBE buffer. the formula is to make a 1x from a 10x.

Assume you have 10x buffer. to make a 100ml final solution of 1x, use 10ml of 10x and add it to 90ml of water and you have your 100ml of 1x buffer

Hopefully this explains

### #5 leelee

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Posted 24 February 2010 - 08:04 PM

10X means 10 times more concentrated than working concentration

### #6 T C

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Posted 25 February 2010 - 01:18 AM

Hey,

http://abacus.bates..../dilutions.html

Best,
TC

Hey,

X refers to the concentration. It is a 10 times concentrated stock. You generally use reagents at 1X.

Use 10X * Volume of 10X stock to be used= 1X * Final volume.

Hope this helps.

Best Wishes,
TC

hello everybody,

i'm a new member here in the forum, its really useful and very interesting forum. i have a question about TBE buffer, may anybody help me what is the meaning of 10X??? what is the meneaing of this X, is it concentration or strength or what? and if it is concentation how is it calaulated, is there any laws to calculate it ? i've searth may times and didn't finde any answes ????

i appreciate any help

### #7 bob1

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Posted 25 February 2010 - 03:11 PM

10X, 20X solutions are used in labs as these usually contain more than one component, each with a different concentration, so rather than writing

TBE
890 mM Tris-Base
890 mM Boric acid
20 mM Na2EDTA

And then having another solution:

TBE
89 mM Tris
89 mM Boric acid
02 mM Na2EDTA

just use 10X and 1X respectively, much less chance of confusion and much simpler to write.

### #8 noufy O noufy

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Posted 06 March 2010 - 11:10 AM