Water Quality Testing Kits
Hach Company Iron Color Disc Test Kit, Model IR-18B
Using the simple color disc method, this kit measures Iron (medium range - 0.2-7 mg/L) and contains reagent for 100 tests.
Electron Microscopy Sciences NBS 5 Bar Test Ref 1963A BS 4657
This consists of elements of 5 bars ranging from 1 line per mm to 18 lines per mm, with adjacent numbers indicating the number of lines per mm. Produced as a vacuum deposited chrome image on B270 75 mm x 75 mm glass.
Sigma Aldrich Fine Chemicals Biosciences Sodium metaborate hydrate | 15293-77-3 | MFCD00149204 | 500g
Sodium metaborate hydrate | MW:65.80 (anhydrous basis) | 15293-77-3 | MFCD00149204 | 500g
SMITH ECOLOGICAL SYSTEMS Buffer Solution pH 4
Buffer Solution pH 4 for analytical/laboratory reagent use.
Taylor Chemical Drop Test, Alkalinity (P/T, for laundry), Phenolphthalein/Blended Indicator, 1 drop = 10 or 50 ppm
Alkalinity, P/T drop test using Phenolphthalein/blended indicator (laundry). 1 drop = 10 or 50 ppm P/T alkalinity as CaCO₃
Aqua Solutions Ethylene glycol/H2O 50:50 | 107-21-1 | MFCD00002885 | 4 L
Ethylene glycol/H2O 50:50 | Mol Wt: 62.07 | 107-21-1 | MFCD00002885 | 4 L
Aqua Solutions Ethylene glycol/H2O 50:50 | 107-21-1 | MFCD00002885 | 4 L
Ethylene glycol/H2O 50:50 | Mol Wt: 62.07 | 107-21-1 | MFCD00002885 | 4 L
SPEX CERTIPREP LLC 3P Chlorine Check Snip- Amperometric/Iodometric Titration 0.100ppm, 25/pk
(NSI by Zeptometrix) Designed for use with amperometric and/or colorimetric analytical techniques. Easier than glass ampule reference materials. To use, snip open the tube and quantitatively transfer the tube contents to a flask and bring to 200mL with reagent water. Yields a 0.100ppm working standard. No pipets needed. 25 tubes per pack.
IDEXX REFERENCE LABORATORIES 290 ML VESSEL W/N/100CS
This supplier will only sell to Pharmaceutical and Manufacturing companies. They will not ship to Universities or Hospitals. High clarity and nonfluorescing polystyrene make it easy to see color and fluorescent end points ; Gamma sterilization eliminates false positives due to contamination (certificate of sterility can be kept for audit purposes) ; 100 mL line around entire perimeter eliminates need for sterile graduated cylinder (meets U.S. EPA guidelines for +/- 2.5% accuracy) ; Recyclable Type 6 polystyrene minimizes environmental impact ; Sodium thiosulfate option neutralizes at least 15 mg/Liter of chlorine (applies to 120ml and 150ml vessels only) ; Multiple sizes of 120-, 150- and 290-mL vessels provide greater or added flexib
Aqua Solutions Hardness Standard Solution 0 Mg/l Standard 1 (1l)
Hardness Standard Solution 0 Mg/l Standard 1 (1l)