Individual Test Kits:

Hydrogen Peroxide (Individual Test Kits)
Hydrogen Peroxide: Although peroxide may be tested colorimetrically with DPD, the most common method is iodometric titration using a standard thiosulfate solution. Both methods are offered.
Order Code/Model	Test System	Range/Sensitivity	# of Tests (# Reagents)	Shipping Code (Weight/lbs)
3188 HP-40	DPD Tablet Octet Comparator	Low: 0.1, 0.3, 0.5, 0.75, 1.0, 1.25, 1.5, 2.0 ppm H2O2 High: 2, 6, 10, 15, 20, 25, 30, 40 ppm H2O2	50 (2)	NH (1)
7138-DB	Iodometric Dropper Bottle	1 drop = 5 ppm H2O2	50 (4)	HA (2)
7150	Iodometric Dropper Bottle	1 drop = 0.5% H2O2	50 (4)	HA (2)

Shipping Codes:

• NH - Non Hazardous Material-No Fees
• N - Small Qty. Hazardous Material-No Fees
• HA - Hazardous Material-Air Fees Only
• B - Hazardous Material-Air & Ground Fees

*(NPDWR) EPA Accepted
?(NPDES) EPA Accepted

Direct Reading Titrators have a specific range, but may be refilled to test higher concentrations.