Table T11. Interstitial water analyses instruments and methods.
Instrumentation
Analytical result
Code
Atomic absorption spectrophotometer B, Ca, Fe, H4SiO4, K, Li, Mg, Mn, Na, Rb, Sr AAS
Atomic emission spectrometer Fe, K, Li, Mn, Na, Rb, Sr AES
Coulometer DIC C
Charge balance Na CB
Ion exchange pH E
Gas chromatography H2, H2S GC4
Ion chromatography Ca, Cl, H4SiO4, K, Li, Mg, Na, SO4 I
ICP-AES Al, B, Ba, Ca, Fe, H4SiO4, K, Li, Mg, Mn, Na, SO4, Sr, Zn ICP
Ion exchange chromatography Acetate, formate IEC
Ion specific electrode F, pH ISE
Ion specific electrode punch ppH ISEP
Refractometry Salinity R
Spectrophotometry B, Br, Ca, Cl, F, H2S, H4SiO4, HPO4, JWBL, K, Li, Mg, Mn, NH4, NO2, NO3, Na, Rb, SO4 S
Titration Alkalinity, Ca, Cl, H4SiO4, HPO4, K, Mg, NH4, Na, SO4, pH T
Total organic carbon DIC, DOC TOC

Note: ICP-AES = inductively coupled plasma–atomic emission spectrometry, JWBL = internal standard, DIC = dissolved inorganic carbon, DOC = dissolved organic carbon.