Nitrite standards

The LabChem nitrite nitrogen standard is completely non-flammable and dissolves easily in water. It is mainly used in laboratory and manufacturing factories. Application: For Laboratory and Manufacturing Use Only

The LabChem 125 mL nitrogen nitrate standard is non-flammable and is mainly used in laboratory and manufacturing factories. Application: For Laboratory and Manufacturing Use Only

Method: photometric 0.03 - 2.

Analysis Note Concentration&#8199&#8199&#8199&#8199&#8199&#946 (NO&#8322&#8315): 990 - 1010 mg/l Determination method: Cerimetric titration. The content of this solution was determined by back-titration with Ammonium(II) ferrous sulfate

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034 . This CRM is traceable to SI unit kg and measured against primary material from an NMI, e.

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034 . This CRM is traceable to SI unit kg and measured against primary material from an NMI, e.

Method: photometric 0.002 - 1.

Low Cost, Easy to use kits for testing a wide range of water quality Parameters Continuous gradient color disks provide accurate measurements—no need to “extrapolate” between discrete color blocks Rotate the color wheel to obtain a color match with t

Method: colorimetric with color card and comparator block with long test tubes 0.005-0.

This refill pack contains all the reagents for the MQuant &#174 test kits 1.14774, 1.

Lovibond water testing products include reagents for water analysis and standard solutions for calibration purposes.

Concentration (as nitrite) 1,000 +/- 10 ug/mL Matrix: sodium nitrite, water Refrigerate to maximize shelf life