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Best analytical reagents - June 2026

Last Updated - June 16, 2026

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

HACH

Hach DPD Free Chlorine Reagent Powder Pillows, 10 mL, Pack of 100, Range from 0.02-2.00 mg/L Cl₂, USEPA Accepted Method 8021, Drinking Water and Wastewater Analysis, for Use with Colorimeter, 2105569

HACH

$31.93

More Details
Main highlights
- VERSATILE APPLICATIONS – Ideal for testing groundwater, municipal water, and surface water quality.
- USEPA CERTIFIED QUALITY – Trusted for drinking water and wastewater chlorine analysis using Hach Method 8021.
- CONVENIENT 100-PACK – Pre-measured powder pillows designed for smaller-scale or routine testing applications.
- COMPATIBILITY YOU CAN RELY ON – Intended for seamless use with Hach colorimeters and spectrophotometers for effective results.
- ACCURATE CHLORINE MEASUREMENTS – Covers a 0.02-2.00 mg/L Cl₂ testing range to support reliable water monitoring.
$31.93
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ChemCenter

Polyvinlypyrrolidone, Povidone, (PVP-40),k-30, Ultra Pure, 100 Grams

ChemCenter

$21.95

More Details
Main highlights
- Product has an Indefinite Shelf Life
$21.95
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ALDON

Potassium Permanganate, 100g - Reagent Grade - The Curated Chemical Collection by Innovating Science

ALDON

$21.59

More Details
Main highlights
- SAFETY & STORAGE || Includes GHS-compliant label printed with safety and storage information
- REAGENT GRADE || High purity suitable for use in many laboratory and analytical applications
- MADE IN THE USA || The Curated Chemical Collection by Innovating Science is comprised of high quality chemicals manufactured in the United States
- COLOR-CODED CAPS || Bottle cap color matches the storage requirements for convenient visual reference
- APPLICATIONS || Used as an oxidant in organic synthesis
$21.59
4
Best Value
15% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Taylor
15% Off

TAYLOR TECHNOLOGIES INC R-0012-A REAGENT HARDNESS 3/4 OZ

Taylor

$8.49

$9.99
(15% Off)

More Details
Main highlights
- Keep your pool water chemistry properly balanced
- It is recommended that you replace your reagents every year
- Get the most accurate results possible
$8.49
$9.99 (15% Off)
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

LD Carlson

LD Carlson 6106B Calcium Sulphate (Gypsum) - 1 lb.

LD Carlson

$9.00

More Details
Main highlights
- Product Type: Mechanical Components
- Package Quantity: 1
- Package Dimensions: 3.0 cms (L) x 14.2 cms (W) x 3.0 cms (H)
- Country Of Origin: United States
$9.00

Best analytical reagents - June 2026

Hach DPD Free Chlorine Reagent Powder Pillows, 10 mL, Pack of 100, Range from 0.02-2.00 mg/L Cl₂, USEPA Accepted Method 8021, Drinking Water and Wastewater Analysis, for Use with Colorimeter, 2105569

Polyvinlypyrrolidone, Povidone, (PVP-40),k-30, Ultra Pure, 100 Grams

Potassium Permanganate, 100g - Reagent Grade - The Curated Chemical Collection by Innovating Science

TAYLOR TECHNOLOGIES INC R-0012-A REAGENT HARDNESS 3/4 OZ

LD Carlson 6106B Calcium Sulphate (Gypsum) - 1 lb.

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