Reagents And Apparatus - Hach POCKET COLORIMETER II Instruction Manual

Digestion for Total Phosphorus,
continued

Reagents and Apparatus

Required Reagents
Description Unit Cat. No.
Potassium Persulfate
Powder Pillows .......................................................................... 100/pkg ....... 2451-99
Sodium Hydroxide Solution, 5.0 N...................................100 mL* MDB .......2450-32
Sulfuric Acid Solution, 5.25 N ..........................................100 mL* MDB .......2449-32
Required Apparatus
Cylinder, graduated, 25-mL ............................................................... each ......... 508-40
Flask, Erlenmeyer, 50-mL .................................................................. each ......... 505-41
Optional Reagents
Hydrochloric Acid, 6 N.................................................................. 500 mL ......... 884-49
Sodium Hydroxide Solution, 5.0 N......................................................1 L .......2450-53
Water, deionized.....................................................................................4 L ......... 272-56
* Contact the manufacturer for larger sizes.
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