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double harpoon arrow for type chemistry

asked 2018-07-11 19:52:17 +0100

dimzev gravatar image

updated 2018-07-12 03:15:19 +0100

LibreTraining gravatar image

How can set how long make the arrow for Chemical Equation ?

How can type "double arrows" (one right and one left over the right ,harpoon or any else style ) for type chemical balance?

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answered 2018-07-12 02:56:03 +0100

LibreTraining gravatar image

updated 2018-07-12 03:18:55 +0100

In your example PDF the arrows are actually images.

All the DejaVu fonts have these harpoon arrows.
You can use the Special Characters dialog to insert them.

Here is an example of DejaVu Serif:

image description

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Verajja Serif is a derivative of DejaVu Serif (BitStream Vera Serif).
Basically the same font, but it's arrows are slimmer.

image description

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Vollkorn also has them.

image description

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These are all free fonts. There may be others ...

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If this answered your question please check the checkmark at left.

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Thank you for your Help!

dimzev gravatar imagedimzev ( 2018-07-12 18:10:20 +0100 )edit
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answered 2018-07-11 20:40:48 +0100

kompilainenn gravatar image

you can use dlrarrow for it

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No i dont mean this ... look in this link what i mean , what i want ... link text

dimzev gravatar imagedimzev ( 2018-07-11 22:09:53 +0100 )edit
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answered 2018-07-11 22:54:26 +0100

RGB-es gravatar image

updated 2018-07-11 22:59:16 +0100

The best you can do in Math is to insert the double arrow as a symbol: ⇌ U+21CC

2 "H"_2 "O" oper ⇌ "H"_3 "O"^"+" + "OH"^"-"

I used oper to turn the double arrow into an operator.

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Thank you for your Answer!

dimzev gravatar imagedimzev ( 2018-07-12 18:09:56 +0100 )edit
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Asked: 2018-07-11 19:52:17 +0100

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Last updated: Jul 12