24.04.2013 Views

TEST INSTRUCTIONS - Geotech Environmental Equipment

TEST INSTRUCTIONS - Geotech Environmental Equipment

TEST INSTRUCTIONS - Geotech Environmental Equipment

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

INTERFERENCES: Sample color and turbidity interfere with the colorimetric<br />

pH measurement. Color interference may be removed<br />

bystandardizing the instrument with the original water<br />

sample. Two drops of 0.1N sodium thiosulfate per 100 mL of<br />

sample will eliminate chlorine interference.<br />

INDICATOR,<br />

RANGE,<br />

& <strong>TEST</strong> NAME:<br />

pH Indicator pH Smart2<br />

Test Name<br />

Chlorphenol Red 5.0-6.8 74 pH CPR<br />

Phenol Red 6.6-8.4 75 pH PR<br />

Thymol Blue 8.0-9.6 76 pH TB<br />

pH 2/3 Smart2 <strong>TEST</strong> PROCEDURES 2.04

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!