UserName

Viewing profile as user:

Search

Order Status
Quick Order
Support
Offers
Featured
- Stellar Savings
- Spotlight Offers
Offers
Sign In

Welcome to fishersci.com

Choose the brand aligned with your industry so we can best serve your needs.

For researchers, scientists, and technical professionals: Your one-stop shop for the complete range of laboratory, production, and safety products and services.

Explore Now

For healthcare professionals: Your proven destination for comprehensive diagnostic and clinical laboratory products and services.

Explore Now

Fisher Scientific
Products
Buffers and Standards
Electrochemistry Standards

Electrochemistry Standards

Electrochemistry Standards

Calibration and reference materials designed to support conductivity-based measurements and evaluations.

Conductivity and TDS Standards

Conductivity and TDS Standards (1,053)

Ion Selective Electrode Standards

Ion Selective Electrode Standards (130)

ORP Standards (62)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

category

Buffers and Standards
Electrochemistry Standards
Conductivity and TDS Standards (1,053)
Ion Selective Electrode Standards (130)
ORP Standards (62)

brands

special interests

Available on GSA/VA Contract (28)
SureTRACE (4)
Fast Shipping (64)
Greener Choice (2)
Science Education (19)
Small and Specialty Supplier (211)

Molecular Weight (g/mol)

101.10 (2)
102.89 (1)
18.02 (15)
204.222 (1)
214 (1)
39.997 (1)
392.13 (5)

Technique

Calibration of Conductivity Instrument (169)
Calibration of Conductivity Meter (13)
Qualitative Analysis of Cations and Anions (1)
Redox (16)

Grade

Analytical Standard (15)
Assurance (3)
Certified (41)
Certified Reference Material (9)
Laboratory (46)
Reagent (26)
USP (1)

Concentration

≈0.000027 M (3)
≈0.0035 M (3)
≤2.5% KCl (T) (8)
0.00017 M (3)
0.005 M (3)
0.0145 M (3)
0.0375 M (3)

Solvent or Matrix

5% HNO₃/Tr HF,5% HNO₃,5% HNO₃/tr HF (1)
Nitric Acid/Trace Hydrogen Fluoride (2)
Water (42)

Certifications/Compliance

ISO 17025 (18)
ISO 17034 (29)

Industry Type

Calibration of Conductivity Meter (6)
Field (1)
Laboratory Use (10)
Redox (1)
Verification (2)
Water Analysis (1)

Element

Al (2)
Brackish Water Conductivity Calibrator (1)
Conductivity (1)
Confidence Solution (1)
Cu (1)
KCL (1)
KCl (3)

Percent Purity

0.005 (1)
0.05 (1)
99.995% trace metals basis (1)
Unknown (6)

Quantity

10 g (1)
25 g (1)
5 g (1)

Search Within Results

Keyword Search:

Clear All

511 – 525 of 871 results

511

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000564076 STANDARD/ CONDUCTIVITY/ TRACEA

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

512

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000564201 TRACEABLER CONDUCTIVITY STANDA

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

513

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000564321 CONDUCTIVITY STANDARD/ 10 S

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

514

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000565280 TRACEABLE CONDUCTIVITY CALIBRA

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

515

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000565329 CONDUCTIVITY STANDARD/ 1413 S

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

516

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000565336 TRACEABLER CONDUCTIVITY STANDA

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

517

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000565338 TRACEABLER CONDUCTIVITY STANDA

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

518

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000565339 TRACEABLER CONDUCTIVITY STANDA

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

519

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000565473 TRACEABLER CONDUCTIVITY STANDA

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

520

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000565477 TRACEABLER CONDUCTIVITY STANDA

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

521

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000565498 TRACEABLER CONDUCTIVITY STANDA

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

522

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000566258 CONDUCTIVITY STANDARD/ 100 S

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

523

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000566524 TRACEABLER CONDUCTIVITY STANDA

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

524

Thomas Scientific THOMAS SCIENTIFIC

Thomas Scientific THOMAS SCIENTIFIC

5000566527 TRACEABLER CONDUCTIVITY STANDA

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

525

Waters Corp 650 mg/L Phosphate Calibration Standard

Waters Corp 650 mg/L Phosphate Calibration Standard

650 mg/L Phosphate Calibration Standard

ENCOMPASS_PREFERRED

Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More

Pricing & Availability

Prev
1
...
33
34
35
36
...
59
Next

About Us

Fisher Scientific

All Brands

Quality Management

Thermo Fisher Scientific

Policies and Notices

Programs and Services

Encompass Procurement Services

eProcurement Integration Solutions

Government Contract Resource Center

Small and Specialty Supplier Program

Sustainability Program

Thermo Fisher Financial Services

Unity Lab Services

Customer Support

Help & Support Center

Account Dashboard

Create an Account

Order Status

Quick Order

Report a Site Issue

Contact Us

Connect with Us

Lab Reporter

Sign Up for Emails

We keep science moving forward by offering over 2.5 million products and extensive support services to the research, production, healthcare, and science education markets. Count on us for an unrivaled selection of lab, life sciences, safety, and facility management supplies—including chemicals, equipment, instruments, diagnostics, and much more—along with exceptional customer care from an industry-leading team that’s proud to be part of Thermo Fisher Scientific.

© 2026 Thermo Fisher Scientific Inc. All rights reserved.
All trademarks are the property of Thermo Fisher Scientific and its subsidiaries unless otherwise specified.

Trademarks

Privacy Notice

Terms & Conditions

Return Policy

© 2026 Thermo Fisher Scientific Inc. All rights reserved.
All trademarks are the property of Thermo Fisher Scientific and its subsidiaries unless otherwise specified.