Concept

pH units

URI	http://vocab.nerc.ac.uk/collection/P06/current/UUPH/
Within Vocab	BODC-approved data storage units
Alternative Labels	pH units
Definition	Unavailable
Date	1994-09-16T00:00:
Identifier	SDN:P06::UUPH
Note	accepted
Has Current Version	1
version	1
Broader	`P24:DIMLESS`	[dimensionless]
Related	`A05:EV_CO2`	Carbonate system
	`P01:PHXXPR01`	pH (unspecified scale) of the water body by pH electrode
	`P35:EPC00168`	Water body pH
	`P01:NEWCXX07`	pH (NBS scale) of the wet sediment
	`P35:EPC00136`	pH in the sediment
	`P01:PHNBSSPW`	pH (NBS scale) of the sediment pore water [dissolved plus reactive particulate phase]
	`P01:PHTLSDWC`	pH (total scale) standard deviation {pH[T]} of the water body by computation
	`P01:PHSWWCAL`	pH (seawater scale) {pH[SWS]} of the water body by computation
	`P01:PHTLWCAL`	pH (total scale) {pH[T]} of the water body by computation
	`P01:PHNBECAL`	pH (NBS scale) {pH[NBS]} of the experiment water sample by computation
	`P01:PHFRSXXX`	pH (free scale) {pH[F]} of the water body
	`P01:PHXXSP01`	pH (unspecified scale) of the water body by spectrophotometry
	`P01:PHFRSDWC`	pH (free scale) standard deviation {pH[F]} of the water body by computation
	`P01:PHXXZZXX`	pH (unspecified scale) of the water body
	`P01:PHXXSP02`	pH (total scale) {pH[T]} of the water body by spectrophotometry
	`P01:PHSWSXXX`	pH (seawater scale) {pH[SWS]} of the water body
	`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:PHXXSP03`	pH (total scale) {pH[T]} of the water body by spectrophotometry (internal electrode) and manufacturer's calibration applied
	`P01:PHTLMP01`	pH (total scale) {pH[T]} of the water body by model prediction
	`P01:PHXXZZYY`	pH (NBS scale) of the water body by Gran titration and Mackereth et al. (1978) freshwater analysis method and standardisation to NBS scale
	`P01:PHTLSX25`	pH (total scale at zero pressure and 25 degrees Celsius) {pH[T]} per unit mass of the water body
	`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: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:PHNSECAL`	pH (NBS scale) standard deviation {pH[NBS]} of the experiment water sample by computation
	`P01:PHSPWX01`	pH (unspecified scale) of the groundwater [dissolved plus reactive particulate phase] by pH electrode
	`P01:PHMASSXX`	pH (total scale) {pH[T]} of the water body
	`P01:PHSWECAL`	pH (seawater scale) {pH[SWS]} of the experiment water sample by computation
	`P01:PHFRWCAL`	pH (free scale) {pH[F]} of the water body by computation
	`P01:PHMASSSD`	pH (total scale) standard deviation of the water body
	`P01:PHXXSP04`	pH (total scale) {pH[T]} of the water body by spectrophotometry (external electrode) and manufacturer's calibration applied
	`P01:PHTLMP02`	pH (total scale) {pH[T]} of the sediment pore water by model prediction
	`P01:PHFSECAL`	pH (free scale) standard deviation {pH[F]} of the experiment water sample by computation
	`P01:PHNBWCAL`	pH (NBS scale) {pH[NBS]} of the water body by computation
	`P01:PHNBSDWC`	pH (NBS scale) standard deviation {pH[NBS]} of the water body by computation
	`P09:PHPH`	PH
	`P01:PHSSECAL`	pH (seawater scale) standard deviation {pH[SWS]} of the experiment water sample by computation
	`P01:PHFRECAL`	pH (free scale) {pH[F]} of the experiment water sample by computation
	`P01:PHSWSDWC`	pH (seawater scale) standard deviation {pH[SWS]} of the water body by computation
	`P01:PHRNWA01`	pH (unspecified scale) of rainwater [dissolved plus reactive particulate phase] by pH electrode
	`P01:PHSDWA01`	pH (unspecified scale) standard deviation of rainwater [dissolved plus reactive particulate phase] by pH electrode
	`P01:PHWSED01`	pH (unspecified scale) of the wet sediment
	`P01:PHSEDXXX`	pH (free scale) of the wet sediment by pH electrode
	`R03:PH_IN_SITU_TOTAL`	pH (total scale)
	`P01:PHSDECAL`	pH (total scale) standard deviation {pH[T]} of the experiment water sample by computation
	`P01:PHTLECAL`	pH (total scale) {pH[T]} of the experiment water sample by computation
	`R03:PH_IN_SITU_SEAWATER`	pH (seawater scale)
	http://dbpedia.org/resource/PH
	`R03:PH_IN_SITU_FREE`	pH (free scale)

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