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. Author manuscript; available in PMC: 2010 Jan 22.
Published in final edited form as: J Appl Microbiol. 2009 Jun 5;107(5):1740–1750. doi: 10.1111/j.1365-2672.2009.04440.x

Table 2.

Eluant pH and salinity. pH and salinity were measured by an Orion portable pH meter model 290A and an Orion conductivity meter model 125 (Orion Research Inc., Boston, MA, USA), respectively, according to manufacturer’s protocols. Salinity is reported on a practical salinity scale

Eluant pH Salinity
PBS* 6·8 0·1
PBS + 0·1% Tween 80 (A)† 6·8 0·1
PBS + 0·1% Tween 80 (B)‡ 7·4 0·3
Filtered seawater (Doheny) 8·3 33·8
Filtered seawater (Hobie Cat) 8·6 36·8
Filtered take Michigan water 8·3 0·2
DI water 7·0 0
DI ± 1% (NaPO3)6 6·6 2·8

PBS, phosphate buffered saline; DI, deionized.

*

PBS-PML.

†

Used for sands 1 and 2.

‡

Used for sand 3.