# ``density_salinity_practical_salinity``
## Properties
:dimensions: N_PROF, N_LEVELS
:dtype: float64
## Default Attributes
| Attribute | Value |
|-----|-----|
|``whp_name`` | ``SALNTY_DNSSAL`` |
|``whp_unit`` | ``PSS-78`` |
|``standard_name`` | ``sea_water_practical_salinity`` |
|``units`` | ``1`` |
|``reference_scale`` | ``PSS-78`` |
|``C_format`` | ``%9.4f`` |
|``C_format_source`` | ``database`` |
## Description
A practical salinity measurement in the lab of the same water sample as DNSSAL, used in TEOS-10 verification work