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authorRanke Johannes <johannes.ranke@agroscope.admin.ch>2026-06-22 18:01:11 +0200
committerRanke Johannes <johannes.ranke@agroscope.admin.ch>2026-06-22 18:01:11 +0200
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treef5c188285ee3abd9edda16a6bb96b6142c80afba /docs/reference/chent_focus_sw.md
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+# Create a chemical compound object for FOCUS Step 1 calculations
+
+Create a chemical compound object for FOCUS Step 1 calculations
+
+## Usage
+
+``` r
+chent_focus_sw(
+ name,
+ Koc,
+ DT50_ws = NA,
+ DT50_soil = NA,
+ DT50_water = NA,
+ DT50_sediment = NA,
+ cwsat = 1000,
+ mw = NA,
+ max_soil = 1,
+ max_ws = 1
+)
+```
+
+## Arguments
+
+- name:
+
+ Length one character vector containing the name
+
+- Koc:
+
+ Partition coefficient between organic carbon and water in L/kg.
+
+- DT50_ws:
+
+ Half-life in water/sediment systems in days
+
+- DT50_soil:
+
+ Half-life in soil in days
+
+- DT50_water:
+
+ Half-life in water in days (Step 2)
+
+- DT50_sediment:
+
+ Half-life in sediment in days (Step 2)
+
+- cwsat:
+
+ Water solubility in mg/L
+
+- mw:
+
+ Molar weight in g/mol.
+
+- max_soil:
+
+ Maximum observed fraction (dimensionless) in soil
+
+- max_ws:
+
+ Maximum observed fraction (dimensionless) in water/sediment systems
+
+## Value
+
+A list with the substance specific properties

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