New on CTAN: phtitration

Khaldi Mohammed Elhadi submitted the

                phtitration

package.

Version:  1.0.0 2026-08-16
License:  mit

Summary description:  Draw highly accurate pH titration curves using TikZ and pgfplots

Announcement text:
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 I am pleased to announce the initial release (v1.0.0) of
 the phtitration package.

 This package provides LaTeX macros to render highly accurate
 pH-metric titration curves using TikZ and pgfplots.
 By employing exact mass and charge balance parametric equations,
 it ensures smooth, continuous curves without the visual breaks
 typical of piecewise approximations.

 Key features:
 - Supports 8 standard acid-base titration types (including polyprotic).
 - Automatically draws the tangent method (méthode des tangentes) at
   equivalence points.
 - Highly customizable styles, coordinate labels, and units.

 Thank you!

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The package’s Catalogue entry can be viewed at
   https://ctan.org/pkg/phtitration

The package’s files themselves can be inspected at
   https://mirrors.ctan.org/graphics/pgf/contrib/phtitration/

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   Thanks for the upload.

     For the CTAN Team
    Petra Rübe-Pugliese

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