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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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