Harold Egan Books

Environmental Carcinogens. Selected Methods of Analysis. Volume 6: 006

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Pearson's chemical analysis of foods

By Harold Egan

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Methods for the measurement of vinyl chloride in poly vinyl chloride air water and foodstuffs

By D. C. M. Squirrell, W. Thain, Harold Egan

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Some aromatic amines and azo dyes in the general and industrial environment

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Environmental Carcinogens Methods of Analysis and Exposure Measurement Volume 8. Some Metals

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Pearson'S Composition And Analysis Of Foods

By Harold Egan, Ronald S. Kirk, Ronald Sawyer, Kirk, Ronald S, Sawyer, Ronald, Egan, Harold, 1922- Pearson'S Chemical Analysis Of Foods

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In the US, co-published by John Wiley. This new edition of a classic reference in food science (the 8th edition was first published by Churchill Livingston in 1981 under the title Pearson's chemica...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.