Hanna Instruments HI 83208 - Manual (Page 67)

67 Silver
• Add exactly 1.0 mL of HI 93737B-0 Buffer reagent to the second
beaker (the sample) and swirl gently to mix. Press Timer and the
display will show the countdown prior to adding reagent C or,
alternatively, wait for 2 minutes.
• Then add exactly 1.0 mL of HI 93737C-0 Indicator reagent
to each beaker and swirl. Press Timer or, alternatively, wait
for 2 minutes.
• Then add 1.0 mL of HI 93737D-0 Fixing reagent to each beaker
and swirl. Then press Timer or, alternatively, wait for 2 minutes to
allow reaction to complete.
• Fill one cuvette up to the mark with 10 mL of the blank.
• Add 3 drops of Dispersing Agent (HI 93703-51), replace the
cap and invert gently to mix for about 10 seconds.
• Place the cuvette into the holder and close the lid.
# 1
# 1
10 mL
# 2
# 2
# 2
# 1
# 1