For Model OX-DT Test Kit

For standardization and accuracy checks in conductivity measurements Conductivity standard solution,1000 µS/cm ±10 µS/cm at 25°C, 491 mg/L ±2.5 mg/L as Sodium Chloride (NaCl), (1 µS/cm ~ 0.5 mg/L TDS), 50 mL pour-top bottle. Traceable to NIST standard…

Standard for calibrating and checking accuracy of ORP/Redox electrodes. The ZoBell's ORP/Redox Standard Solution exhibits temperature correlation between 0 - 30°C. The standard value is dependent on the reference electrode type.

If you have ever questioned the result of an analytical test, you'll immediately appreciate the value of using standard solutions. These solutions contain a defined concentration of analyte, allowing you to quickly verify that instrument operation, reagent performance, and variations in operator…

Thomas No. C791Z40 and C753U42 For alkalinity determination by drop-count titration. 100 mL bottle Thomas No. C753V69 For formaldehyde determination by drop-count titration. 100 mL bottle Thomas No. C753V59 Multi-purpose sulfuric acid standard…

For sample dechlorination prior to analysis.

For chloride determination by argentometric buret titration.

If you have ever questioned the result of an analytical test, you'll immediately appreciate the value of using standard solutions. These solutions contain a defined concentration of analyte, allowing you to quickly verify that instrument operation, reagent performance, and variations in operator…

If you have ever questioned the result of an analytical test, you'll immediately appreciate the value of using standard solutions. These solutions contain a defined concentration of analyte, allowing you to quickly verify that instrument operation, reagent performance, and variations in operator…

For carbon dioxide determination by drop-count titration

For total exchangeable acidity determination in soils. Used in test kit 2496000.

StablCal® Turbidity Standards for all Turbidimeters. USEPA accepted for calibration purposes StablCal® Stabilized Formazin Turbidity Standards are true Formazin dilutions developed for use in any turbidimeter Precise, Pre-mixed Formazin Solutions Based on Formazin Primary…

Sodium Thiosulfate Standard Solution, 0.025 N, 1 L

500 platinum-cobalt units

Total and/or Free Chlorine (Colorimetric or Titrimetric Method) and Fluoride (SPADNS Method)

For determination of Tannin and Lignin by the Tyrosine method. Hach method 8193.

Standard Cell Solution for Hach pHD Differential pH and ORP Sensors, packaged in resealable 500 mL bottle. Used to replenish standard cell chamber while replacing salt bridge.

Sodium Hydroxide 1.00N, 1L pk/4

If you have ever questioned the result of an analytical test, you'll immediately appreciate the value of using standard solutions. These solutions contain a defined concentration of analyte, allowing you to quickly verify that instrument operation, reagent performance, and variations in operator…

10 mg/L NH4-N Standard Solution, 2000mL

For accuracy checks in conductivity measurements. 49 mg/L as NaCl. 100 µS/cm @ 25°C. 100 mL.

For chloride determination by Digital Titrator argentometric titration. Hach method 8207. Digits x 0.1 = mg/L Cl- in 100 mL sample. Approximately 40-100 tests Accurate results - when and where you need them Fast and Flexible Versatile Economical

Digital Titrator Cartridge 8 N as NaOH Parameter: Acid Base Method: Phenolphthalein End Point

If you have ever questioned the result of an analytical test, you'll immediately appreciate the value of using standard solutions. These solutions contain a defined concentration of analyte, allowing you to quickly verify that instrument operation, reagent performance, and variations in operator…

For removal of sulfide interference prior to analyses

If you have ever questioned the result of an analytical test, you'll immediately appreciate the value of using standard solutions. These solutions contain a defined concentration of analyte, allowing you to quickly verify that instrument operation, reagent performance, and variations in operator…

For carbon dioxide determination by buret titration. Hach method 8233.

S5000 Silica Standard Solution, Silica, 0.5mg/L, 2.9L

For low range silica determination in visual test kits. Pack of 100 powder pillows