Individual Test Kits:

Tannin/Lignin (Individual Test Kits)
Tannin/Lignin: Tungstophosphoric and molybdophosphoric acids are reduced by tannins and lignins to form a blue color.
Order Code/Model	Test System	Range/Sensitivity	# of Tests (# Reagents)	Shipping Code (Weight/lbs)
7831 TL	Octet Comparator	1, 2, 3, 4, 5, 6, 8, 10 ppm Tannin or lignin like substances	50 (2)	N (1)

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.