## Introduction

An Anhydrous Basis Calculator is a valuable tool for those involved in various chemical and industrial processes. It allows you to determine the assay on an as-is basis, which is essential when dealing with substances that contain water. By calculating the anhydrous basis, you can determine the actual percentage of the desired substance without the influence of water content.

In this article, we’ll provide a step-by-step guide on how to use the Anhydrous Basis Calculator effectively, along with the formula, an example, frequently asked questions, and a conclusion.

## How to Use

To use the Anhydrous Basis Calculator, follow these steps:

- Enter the assay on an as-is basis (AOB). This is the percentage of the desired substance in the sample that includes the water content.
- Enter the water percentage (PW), which represents the amount of water in the sample.
- Click the “Calculate” button to obtain the anhydrous basis (AB).

## Formula

The formula for calculating the Anhydrous Basis (AB) is as follows:

AB = (AOB * 100) / (100 – PW)

Where:

- AB = Anhydrous Basis
- AOB = Assay on an as-is basis
- PW = Water Percentage

## Example

Let’s say you have a sample with an assay on an as-is basis (AOB) of 85% and a water percentage (PW) of 10%. To find the anhydrous basis (AB), plug these values into the formula:

AB = (85 * 100) / (100 – 10) AB = (85 * 100) / 90 AB = 8500 / 90 AB = 94.44%

So, the anhydrous basis of the sample is 94.44%.

## FAQ’s

**Q1: Why is calculating the Anhydrous Basis important?**

A1: Calculating the Anhydrous Basis is crucial in various industries, especially when dealing with substances containing water. It helps determine the actual percentage of the desired substance, which is essential for accurate measurements and quality control.

**Q2: Can I use this calculator for any type of substance?**

A2: Yes, you can use the Anhydrous Basis Calculator for any substance, as long as you know the assay on an as-is basis and the water percentage.

**Q3: What is the significance of the water percentage in the formula?**

A3: The water percentage is essential because it allows you to account for the presence of water, which can dilute the concentration of the desired substance.

**Q4: Are there any specific units for AOB and PW in the formula?**

A4: The units for AOB and PW can vary, as long as they are consistent. If AOB is in percentage (%), then PW should also be in percentage (%).

## Conclusion

The Anhydrous Basis Calculator is a valuable tool for professionals in chemistry, manufacturing, and quality control. It provides an easy and accurate way to determine the anhydrous basis of a substance, allowing for precise measurements and quality assurance. By following the simple formula and steps outlined in this article, you can ensure that your calculations are accurate and reliable.