# 2.10.4 plot_durov

## Contents

Plot: Specialized: Durov

## Brief Information

Create Durov plot

## Command Line Usage

 plot_durov -r 2 irng:=[Book1]Sheet1!1:6 id:=[Book1]Sheet1!7 tds:=[Book1]Sheet1!8 pH:=[Book1]Sheet1!9; 

## Variables

Display
Name
Variable
Name
I/O
and
Type
Default
Value
Description
Input irng

Input

Range

<active>

Specify the input data range (6 columns). Column order Need to range as Ca, Mg, Na+K, Cl, SO4, CO3+HCO3.

Sample ID id

Input

Range

<optional>

Specify the column used for the sample ID. This column will be used as the symbol color and shape indexing column in the durov plot, and this column will supply labels in the point by point legend.

Total Dissolved Solids id

Input

Range

<optional>

Specify the data range for the amount of total dissolved solid. This column will be used to plot against Mg ion.

pH pH

Input

Range

<optional>

Specify the column which stores the pH values of water samples.

## Description

This X-Function creates a Durov Diagram. Durov Diagram is an alternative to the Piper Diagram, which is also a specialized graph type for charting the chemistry of a water samples. Please refer to Durov Diagram for more details.