the most trusted name in water testing

K-1541

Drop Test, Boron, Proprietary, 1 drop = 0.2 or 0.5 ppm

UPC Barcode:
840036025161

$277.61

Analyte System Method/Chemistry Standard/Equivalance or Description Comparator Cell
Boron Drop test Proprietary 1 drop = 0.2 or 0.5 ppm B NA 4040, 9187
Test Parameter Description
Calcium hardness above 1000 ppm may cause interference. To prevent, add additional drops R-0983 Boron Reagent #1 in Sample Preparation, Step 2. For 1000-1500 ppm calcium hardness, add 5 additional drops; for 1500-2000 ppm calcium hardness, add 10 additional drops. Boron
Zinc concentrations above 500 ppm may clog the filter. To remove a clogged filter, hold the syringe upright. Pull the plunger down approximately 1/4 inch and release to remove any positive pressure. Continue holding the syringe upright and carefully unscrew the clogged filter. Replace it with a new filter and continue filtering the sample. Boron

REAGENT SHELF LIFE

All reagents have a shelf life, whether they are liquids, powders, crystals, tablets, or test-strip pads. If kept dry, powders and crystals are very stable; acids are also long lived. Date of manufacture is not the controlling factor when it comes to shelf life—storage conditions are more important. As with all perishables, reagents are sensitive to environmental influences and will last longer under controlled conditions.

To this end, we recommend:

  • Storing reagents at a consistent temperature in the range if 36°–85°F (2°–29°C); extreme temperature fluctuation, say from a refrigerator to a hot car trunk, causes reagents to deteriorate.
  • Keeping them out of prolonged direct sunlight. (Note: their brown plastic bottles help protect very light-sensitive reagents.)
  • Segregating reagents from containers of treatment chemicals.
  • Replacing caps immediately and tightening them carefully so that exposure to air and humidity is limited.
  • Avoiding switching bottle caps, placing bottle caps on soiled surfaces, repouring reagents into contaminated containers, or touching test strip pads.

Taylor formulates its reagents to remain effective for at least one year, with only very few exceptions (molybdenum indicator in liquid form is one; after four months old it should be tested against a standard periodically). As a general precaution, replace all reagents more than one year old, or at the beginning of a new testing season.