Products BE EN Applications Products Services Support Account Quick Order Cart 0 HomeSupportCalculators & Apps Calculators & Apps This Toolbox features science tools and resources for chemistry, life science, materials science and more. FEATURED RESOURCES Buffers and Western Blotting Solutions Recipe Calculators Unit Converters Pressure Temperature Nomograph Normality Molarity Calculator LIFE SCIENCE PCR Master Mix Calculator Buffer Calculator Transmittance to Absorbance Table Western Blotting Buffers & Solutions Recipe Calculators G Force Calculator CHEMISTRY / CHROMATOGRAPHY / MATERIALS SCIENCE Normality & Molarity Calculator for Acids & Bases Pressure-Temperature Nomograph Mass Molarity Calculator Solution Dilution Calculator HPLC Method Transfer Calculator Particle Size Conversion Table RECIPE CALCULATORS FOR BUFFERS AND WESTERN BLOTTING SOLUTIONS Buffer Calculator Non-Fat Dry Milk (NFDM) Blocking Buffer Detergent-based Western Blot Stripping Buffer 1X Tris-buffered Saline (TBS) Bovine Serum Albumin (BSA) Blocking Buffer Acidic Western Blot Stripping Solution 1X Tris-buffered Saline, 0.1% Tween® 20 Detergent (TBST) 4X SDS Sample Loading Buffer Stock Components for Western Blot Stripping Solutions 1X Phosphate-buffered Saline (PBS) 10X Tris-buffered Saline (TBS) 1X Phosphate-buffered Saline, 0.1% Tween® 20 Detergent (PBST) 10X Phosphate-buffered Saline (PBS) UNIT CONVERTERS Absorbance/Transmittance Length Temperature Density Mass/Weight Torque Flow Rate Pressure Volume Support Customer Support Contact Us FAQ Safety Data Sheets (SDS) Certificates (COA/COO) Quality & Regulatory Calculators & Apps Webinars Orders Quick Order Custom Products Commerce Solutions Company About Us Responsibility Events Press Releases Programs Careers Offices Social Media Merck Research. Development. Production. We are a leading supplier to the global Life Science industry with solutions and services for research, biotechnology development and production, and pharmaceutical drug therapy development and production. Sigma-Aldrich® Solutions BioReliance® Solutions Millipore® Solutions SAFC® Solutions Milli-Q® Solutions Supelco® Solutions © 2021 Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved. Reproduction of any materials from the site is strictly forbidden without permission. Site Use Terms|Privacy Policy|General Terms and Conditions of Sale|Copyright Consent