Hach DR/850 Procedures Manual page 138

CHLORINE, FREE
continued
REQUIRED REAGENTS
Quantity Required
Description Per Test Unit Cat. No.
Test 'N Tube DPD Free Chlorine Reagent ................1 vial ................... 50/pkg.......... 21055-45
Test 'N Tube Vials .....................................................1 vial ..................... 6/pkg.......... 22758-06
REQUIRED APPARATUS
Caps, white................................................................. 1 cap...................... 6/pkg.......... 22411-06
COD/TNT Adapter ....................................................... 1........................... each.......... 48464-00
OPTIONAL REAGENTS
Chlorine Standard Solution, PourRite ampule, 50-75 mg/L, 2 mL ....... 20/pkg.......... 14268-20
*
Potassium Iodide Solution, 30 g/L ............................................ 100 mL MDB.............. 343-32
Sodium Arsenite, 5 g/L .............................................................100 mL* MDB ............ 1047-32
Sodium Hydroxide Standard Solution, 1.000 N .......................100 mL* MDB............ 1045-32
Sulfuric Acid Standard Solution, 1.000 N .................................100 mL* MDB............ 1270-32
OPTIONAL APPARATUS
Beaker, 50 mL............................................................................................. each........... 500-41H
ion
pH Meter, sens 1, portable, with electrode .......................................... each .......... 51700-10
™
pH Paper, pH 1 to 11 pH................................................................... 5 rolls/pkg.............. 391-33
Pipet, TenSette, 0.1 to 1.0 mL .................................................................... each .......... 19700-01
Pipet Tips, for 19700-01 TenSette Pipet ................................................ 50/pkg.......... 21856-96
Pipet Tips, for 19700-01 TenSette Pipet ............................................ 1000/pkg.......... 21856-28
PourRite Ampule Breaker........................................................................... each......... 24846-00
Test Tube Rack ........................................................................................... each.......... 18641-00
* Marked Dropper Bottle - contact Hach for larger sizes.
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