Specification Brand : LaMotte BulletPoint1 : DPD chlorine tablets employ DPD indicator (diethyl-p-phenylenediamine) to distinguish levels of free, combined, and total chlorine in a simple test sample BulletPoint2 : DPD chlorine tablets designated “Instrument Grade” are suitable for use with colorimeters and spectrophotometers BulletPoint3 : DPD No. 1 Tablet is used to measure free available chlorine in water. Range: 0 to 10 ppm for approximately 10 mL sample size BulletPoint4 : Shelf life: approx. three years. Instrument Grade Directions : 1. Prepare a water sample of approximately 10 mL. 2. Add one DPD #1 tablet to the sample. 3. Wait for the tablet to dissolve completely. 4. Observe the color change in the sample. The color will indicate the level of free chlorine in the water. 5. Compare the color to the provided color chart for an approximate reading of free chlorine concentration (0 to 10 ppm). ExternallyAssignedProductIdentifier1 : 637395446849 ExternallyAssignedProductIdentifier2 : 0637395446849 IncludedComponents : single ItemName : LaMotte 6903A Instrument Grade TesTabs for ColorQ, DPD #1, 100 ct. ItemPackageDimensions_Height : 10.6934 centimeters ItemPackageDimensions_Length : 4.3942 centimeters ItemPackageDimensions_Width : 6.5024 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : swimming-pool-liquid-test-kits Manufacturer : Lamotte Material : DPD NumberOfItems : 100 PackageLevel : unit PartNumber : 6903A-J ProductSiteLaunchDate : 2010-05-25T05:04:46.000-00:00 RecommendedUsesForProduct : Water Test, Nitrite Test, Nitrate Test, Ammonia Test SupplierDeclaredDgHzRegulation : unknown UnitCount : 1 UnspscCode : 41113000