For Hardness, pk/100

(Drop Count Titration Method) Hardness Indicator/EDTA, 0-20 mg/L (0-20 gpg) as CaCO3 Contains: Buffer Solution (Hardness 1), Hardness 2 and 3 Test Solutions

For reduction of chelated copper to Cu+ 25-mL sample

Lachat prepared reagent for Ammonia analysis using FIA. 500 mL

0-2,500mg/L Total, Sequential, Buret Titration Method

Reagent set for the ManVer® 2 Buret Titration Method (Hach method 8226) to determine total hardness (0-2,500 mg/L as CaCO3). Contains: Buffer Solution (Hardness 1), ManVer® 2 Hardness Indicator Powder Pillows, TitraVer® (EDTA) Titrant.

EDTA, Disodium Salt, ACS Grade Bottle/500g

Reagent set for ultra low range hardness determination (0-1000 ug/L Ca & Mg as CaCO3) when used with Hach spectrophotometers Chlorophosphonazo reagent solution is packaged in unit-dose solution pillows (100 tests) Chlorophosphonazo Method Contains: Chlorophosphonazo Indicator…

Reagent set for ultra low range hardness determination (0-1000 ug/L Ca & Mg as CaCO3) when used with Hach spectrophotometers. Chlorophosphonazo reagent solution is packaged in a 500-mL bottle that is ideal for use with Hach's Pour-Thru Cell. 250 Tests per 500 mL bottle …

Method: p-Dimethylaminobenzaidehyde Range: up to 600 µg/L Sample: 10 mL

Ampules contain the precise amount of reagent for a single test Method: p-Dimethylaminobenzaldehyde Range: up to 600 µg/L

113g APHA Hardness Method

(Digital Titrator Method) EDTA Titration Method Contains: Buffer Solution (Hardness 1), CalVer® 2 Calcium Indicator Powder Pillows, ManVer® 2 Hardness Indicator Powder Pillows, Potassium Hydroxide Solution (8 N), Sulfuric Acid (5.25 N) and EDTA Titration Cartridge.

ACS Grade, CAS No. 5470-11-1 NH2OH.HCl, FW = 69.49 Assay ≥96.0%

(Digital Titrator Method) ManVer® 2 Indicator/EDTA Method Contains: Buffer Solution (Hardness 1), EDTA Titrant Cartridge, ManVer® 2 Hardness Indicator Powder Pillows

Hardness Buffer, Aminoethanol Type Suitable for use in APHA Hardness Test

Reagent set for the digital titrator with EDTA method (Hach method 8213) to determine total hardness. Contains: Buffer Solution (Hardness 1), EDTA Titrant Cartridge, ManVer® 2 Hardness Indicator Powder Pillows.

Hydrogen Sulfide Reagent Set for Test Kit Model HS-C 0-0.600 mg/L as S2 100 tests Methylene Blue Method (Colorimetric) Color Disc test: 0-2.25 mg/L

For use with Hach Digital Titrator Method 10100 - High Range Bleach (Hypochlorite) Approximately 100 tests/reagent set

For determination of volatile acids by the esterification method (Hach method 8196). 100 mL bottle

Digital Titrator Method/EDTA Titration Method Contains: Buffer Solution (Hardness 1), CalVer® 2 Calcium Indicator Powder Pillows, ManVer® 2 Hardness Indicator Powder Pillows, Potassium Hydroxide Solution (8 N), Sulfuric Acid (5.25 N) and EDTA Titration Cartridge. 100 tests

Weak HCl solution for soil analysis, 0.75 N

For determination of Hydrogen Peroxide by drop count titration. Replacement reagent set for HYP-1 Test Kit (2291700). Approximately 100 Tests.

Each package contains one unit of HNB powder and one unit of HNB dilution solvent. Used for the determination of calcium and magnesium in brine.

ACS Grade, CAS No. 10034-93-2. H2NNH2·...H2SO4, FW = 130.12. Assay: ≥99.0% Suitable for preparation of formazin turbidity standards