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Concept

pH (total scale)

URI http://vocab.nerc.ac.uk/collection/S06/current/S0600277/2/
Within Vocab BODC parameter semantic model parameter entity names
Alternative Labels
Definition A measure of acidity based on the free proton (hydrogen ion) concentration plus hydrogen sulfate ion concentration.
Date 2021-11-01T11:53:
Identifier SDN:S06::S0600277
Note accepted
Is Version Of S0600277
Previous Version 1
version 2
Narrower
P01 BODC Parameter Usage Vocabulary - (18) [+]
P01:PHMASSSD pH (total scale) standard deviation of the water body
P01:PHSDECAL pH (total scale) standard deviation {pH[T]} of the experiment water sample by computation
P01:PHTLSDWC pH (total scale) standard deviation {pH[T]} of the water body by computation
P01:PHTLECAL pH (total scale) {pH[T]} of the experiment water sample by computation
P01:PHTLMP02 pH (total scale) {pH[T]} of the sediment pore water by model prediction
P01:PHMASSXX pH (total scale) {pH[T]} of the water body
P01:PHTLWCAL pH (total scale) {pH[T]} of the water body by computation
P01:PHTSFE03 pH (total scale) {pH[T]} of the water body by ion sensitive field-effect transistor (ISFET) sensor (external counter electrode) and manufacturer's calibration and correction against independent temperature and salinity measurements
P01:PHXXFE03 pH (total scale) {pH[T]} of the water body by ion sensitive field-effect transistor (ISFET) sensor (external counter electrode) and manufacturer's calibration applied
P01:PHTSFE02 pH (total scale) {pH[T]} of the water body by ion sensitive field-effect transistor (ISFET) sensor (internal counter electrode) and manufacturer's calibration and correction against independent temperature and salinity measurements
P01:PHXXFE02 pH (total scale) {pH[T]} of the water body by ion sensitive field-effect transistor (ISFET) sensor (internal counter electrode) and manufacturer's calibration applied
P01:PHTLMP01 pH (total scale) {pH[T]} of the water body by model prediction
P01:PHXXSP02 pH (total scale) {pH[T]} of the water body by spectrophotometry
P01:PHXXSP05 pH (total scale) {pH[T]} of the water body by spectrophotometry (external electrode) and manufacturer's calibration and correction against independent temperature and salinity measurements
P01:PHXXSP07 pH (total scale) {pH[T]} of the water body by spectrophotometry (external electrode) and manufacturer's calibration and laboratory calibration against TRIS-buffer applied
P01:PHXXSP04 pH (total scale) {pH[T]} of the water body by spectrophotometry (external electrode) and manufacturer's calibration applied
P01:PHXXSP06 pH (total scale) {pH[T]} of the water body by spectrophotometry (internal electrode) and manufacturer's calibration and correction against independent temperature and salinity measurements
P01:PHXXSP03 pH (total scale) {pH[T]} of the water body by spectrophotometry (internal electrode) and manufacturer's calibration applied

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