Ion Selective Electrode Standards
Cole-Parmer ISE Standard solution, ammonia/ammonium, 0.1 M
Keep your ammonia ISE operating at its best with these parts and accessories.
Ace Glass, Inc. Vacuum manifold with four variable opening, 0-10mm high vacuum threaded stopcock ports. 320mm overall length with right side hose connection. PTFE plugs with UHDPE handles.
All-glass-and-PTFE vacuum manifold with four right side stopcock ports. Each port is a variable opening, 0-10mm, high vacuum threaded stopcock. Plugs are PTFE with Nylon or PTFE handles and FETFE O-Rings. Ultimate vacuum of 10-7 can be realized with O-Rings as supplied.
HANNA INSTRUMENTS INC Free and Total Chlorine CAL Check™ Standards
The HI93414-11 Free and Total Chlorine CAL Check™ Standards provide a simple solution to calibrating and validating compatible benchtop and portable photometers. This high quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a certificate of analysis. The certificate of analysis provides the lot number, reference values, and expiration date for traceability when certifying compatible free and total chlorine photometers.Supplied with certificate of analysisStandard value of 1.00 ± 0.03 mg/L chlorine @ 25°CReusable with long shelf life stability
Cole-Parmer Oakton Solution ISA 4M KCL Pint (Accessories for Ion Selective Electrodes)
Solutions and kits for Oakton ISEs. Ensure accurate readings with well maintained and properly calibrated electrodes.
Cole-Parmer Oakton Ionic Strength Adjuster (ISA) Solution, 5M, NANO3, 1 pint
Solutions and kits for Oakton ISEs. Ensure accurate readings with well maintained and properly calibrated electrodes.
Cole-Parmer Fluoride (F-) ISE Double junction solution kits
These kits contain a 60 mL bottle of fill solution, 475 mL bottle of standard solution and 475 mL bottle of ISA.
Hach Company Hach 0.5 mg/L NH4-N Standard Solution for Amtax sc, 2000 mL
Ready-to-use 0.5 mg/L NH4-N calibration standard supplied in a 2,000 mL bottle for calibration and verification of online ammonia analyzers such as the Amtax sc. Formulated to provide a nominal ammonium-nitrogen concentration for routine instrument checks and quality control.
- Ready-to-use calibration standard.
- Nominal concentration of 0.5 mg/L NH4-N.
- Supplied in a 2,000 mL bottle for multiple calibrations.
- Suitable for routine calibration and accuracy verification of online ammonia analyzers.
- Store and handle according to the product safety data sheet.
Sigma Aldrich Fine Chemicals Biosciences Tartrazine | 1934-21-0 | MFCD00148908 | 500g
Tartrazine | Purity: 85% | MW: 534.36 | 1934-21-0 | MFCD00148908 | 500g
Hach Company 2.5 mg/L NH4-N Standard Solution for Amtax sc (2000 mL)
This ready-to-use standard solution contains 2.5 mg/L ammonium (NH4-N) in a 2,000 mL bottle and is intended for calibration and quality control of ammonia/ammonium analyzers.
- Ready-to-use 2,000 mL calibration standard.
- Concentration of 2.5 mg/L NH4-N.
- Supplied in a sealed bottle for stability and handling.
- Intended for calibration and routine quality control of analyzers measuring ammonium/ammonia.
- Available for recurring orders to support regular maintenance schedules.
Hach Company Nitrate Ionic Strength Adjustor (ISA) Buffer Solution, 500 mL
For sample treatment in nitrate determination by ion selective electrode. 500 mL bottle.
LaMarKa Chemical Company Anion Check Standard Bromide 1ppm/Sodium Chlorate 0.5ppm/Sulfate 10ppm
Anion Check Standard-Bottle Liter Plastic
Hach Company Chloride Standard Solution, 1000 mg/L, 500 mL
ISE Standard Solution. Chloride, 1000 mg/L ±10 mg/L as Cl- (NIST). 500 mL bottle