Hach DR/700 - Page 188

45-16
CHLORIDE, continued
The amount of this complex is proportional to the chloride
concentration. Chloride at these levels also can be determined directly
using the Chloride Ion Selective Electrode (Cat. No. 50255-00)
REQUIRED REAGENTS
Cat. No.
Chloride Reagent Set (50 Tests*) . . . . . . . . . . . . . . . . . . . . . . . 23198-00
Includes: (1) 22122-42, (1) 22121-31
Quantity
Description Per Test Unit Cat. No.
Ferric Ion Solution . . . . . . . . . 2 mL . . . . . .100 mL . . . . . . . 22122-42
Mercuric Thiocyanate
Solution . . . . . . . . . . . . . . . 4 mL . . . . . .236 mL . . . . . . . 22121-31
Water, demineralized. . . . . . . . 25 mL . . . . .4 L . . . . . . . . . . . . . 272-56
REQUIRED APPARATUS
DR/700 Filter Module
Number 45.01. . . . . . . . . . . 1 . . . . . . . . . each . . . . . . . . . . 46245-00
Pipet, volumetric, 1.0 mL . . . . 1 . . . . . . . . .each . . . . . . . . . . . . 515-35
Pipet, volumetric, 2.0 mL . . . . 1 . . . . . . . . .each . . . . . . . . . . . . 515-36
Pipet Filler, safety bulb . . . . . . 1 . . . . . . . . .each . . . . . . . . . . 14651-00
OR
Pipet, TenSette, 0.1 to 1.0 mL . . 1 . . . . . . . . . each . . . . . . . . . . 19700-01
Pipet Tips, for 19700-01
TenSette pipet. . . . . . . . . . . 1 . . . . . . . . . 50/pkg . . . . . . . . 21856-96
OPTIONAL REAGENTS
Chloride Standard Solution,
1000 mg/L as Cl. . . . . . . . . . . . . . . . . . . .500 mL . . . . . . . . . 183-49
Perchloric Acid, ACS, 70%. . . . . . . . . . . . . .680 g . . . . . . . . . . . 757-65
Sodium Hydroxide
Standard Solution, 5.0 N . . . . . . . . . . . . . .59 mL SCDB . . . . 2450-26
OPTIONAL APPARATUS
Cap for 10- and 25-mL sample cells. . . . . . .12/pkg . . . . . . . . 24018-12
Filter Paper, folded, mod. rapid, 12.5 cm . . .100/box . . . . . . . . . 692-57
Flask, erlenmeyer, 125 mL . . . . . . . . . . . . . .each . . . . . . . . . . . . 505-43
Flask, volumetric, 500 mL . . . . . . . . . . . . . .each . . . . . . . . . . . . 547-49
Funnel, filtering, polypropylene, 75 mm. . . .each . . . . . . . . . . . 1083-68