Water Analysis Methods & Report
Water Treatment: Chemical Analysis of Water
Water treatment analysis is basically performed to determine the physical parameters such as pH, turbidity and conductance of water sample. Water analysis determines the quality and purity of water. Water analysis report in turn will help you choose the right kind of water treatment process to make the water drinkable. Say a water source is causing illness, stains on plumbing, scaly deposits, bad taste or odor. A water analysis identifies the problem and enables you to make suitable decisions about the water treatment needed.
If you are looking for these services, then you have come to the right place as we at IDS Water have it all. We are committed to connecting our clients to many vendors and suppliers of various water treatment and technology related equipments and components. They are dedicated in offering you with exceptional and professional solutions for all your water treatment problems, needs and requirements.
This is possible due to our extensive network of trained experts, independent and authorized dealer’s network in the country and worldwide. But before you get started, we are sure that you would want better clarity on various facets of water treatment analysis.
Water is often referred to as the 'Elixir of Life'. It is essential for sustenance of all living organisms on our planet. Water plays an undisputedly important role in all spheres of our life. We need water for drinking, industries, irrigation and various other activities. Thus having access to quality water is of utmost importance and water analysis will help you do this.
Why is Water Quality Analysis Done?
The composition and purity requirement of water differs for different purposes. All water resources needs to be analyzed and tested on a regular basis to confirm its suitability. The types of water analysis could vary. From simple field testing for a single analytic to water analysis that is laboratory based multi-component instrumental. Water quality analysis is a very time consuming process. And a large number of quantitative water analysis methods are used for this purpose.
Wondering what all is tested on a water quality analysis? Well the list of potential water contaminants is quite extensive and impractical to test for in its entirety. Such water analysis would get very expensive and unnecessary. To make testing meaningful and cost effective, relatively few contaminants have established testing standards or recommended levels. These standards and levels are established for contaminants that are most likely to be a problem. Therefore a water analysis will allow you to evaluate how serious these contaminants may be in the water sample.
Several basic tests will not only reveal the severity of specific impurities, but will also indicate the likelihood of other contaminants that are present. For example, low pH, which is a measure of acidity of water, may cause corrosion of copper or lead plumbing materials. These metals may dissolve and reach unhealthy levels in drinking water. Also, high nitrate levels are an indicator of contamination by surface water or seepage. These may transmit other harmful contaminants like pesticides into drinking water supplies. Due to these aforementioned reasons it is a good idea to conduct routine water quality analysis annually to check levels of the following:
- Total dissolved solids (TDS)
- Organic Carbon Contaminants (Pesticides, Industrial Pollution etc.)
Chemical Analysis of Water & Water Analysis Method
Chemical analysis of water is the simplest method to measure the chemical elements in water without respect to their form. For e.g. elemental analysis for dissolved oxygen would indicate a concentration of 890,000 milligrams per liter (mg/L) of water sample because water is made of oxygen. The measure chosen to measure dissolved oxygen in water should also differentiate between diatomic oxygen and oxygen combined with other elements.
Chemical analysis of water has produced large amounts of sample data and water quality analysis criteria for elements identified as heavy metals. Soil particles suspended in water samples must be considered while conducting a water analysis for heavy metal. This is because these suspended soil particles may contain measurable amounts of metal. Though these particles are not dissolved in water, people drinking the water may consume them. Adding acid to water samples to avoid loss of dissolved metals onto the sample container may dissolve more metals from suspended soil particles. Filtration of soil particles from the water sample before acid addition, however, may cause loss of dissolved metals onto the filter.
Thus making these complex measurements of water quality can be expensive. Thus many ongoing monitoring programs are usually conducted by various government agencies. However, we at IDS Water do have consultants who have resources available for some general water chemical analysis and assessments. Tools available to the public at large include onsite test kits, which is commonly used for home fish tanks and biological assessment procedures.
Further, remember that water treatment systems must use EPA approved water analysis methods when testing water samples. This is crucial in order to meet federal monitoring requirements or to demonstrate compliance with drinking water regulations. For approved methods refer to the list in the Code of Federal Regulations after publication in a final rule or as part of an expedited approval. These approved water quality analysis methods are researched and developed by EPA, various government agencies, universities, water laboratories and various other authorized institutions.
Interpreting a Water Analysis Report
Upon completion of water quality analysis, you will receive a water analysis report that will contain a list of contaminants tested and its concentrations. In some cases if any contaminants are above the standard recommended level the same will be highlighted in the water analysis report.
But the big question we are sure you are facing is how to interpret the water analysis report accurately. An important feature of the water analysis report is the units used to measure the contaminant level in your water. Milligrams per liter (mg/1) of water are used for substances like metals and nitrates. A milligram per liter is also equal to one part per million (ppm)-that is one part contaminant to one million parts water. An approximation of one ppm would be dissolved in about 0.03 of a teaspoon of sugar in a bathtub of water.
However, for toxic substances or other concentrations, the units used to measure are even smaller and parts per billion (ppb) are used. Another unit detected on some water analysis report is that it is used to measure radon-picocuries per liter. Some values like pH, hardness, conductance, and turbidity are reported in units specific to the water test.
In addition to the water test results, the lab may make notes on any contaminants that exceed the PA DEP drinking water standards. Further it is important that you retain your copy of the water analysis report in a safe place as a record of the quality of your water supply. If any polluting activities like mining or development of certain industries in your area occurs, a record of past water quality would come in handy to prove that your water supply has been damaged.
Water Analysis Instruments
Various instruments are required to conduct water quality analysis. We have classified water analysis instruments under the following 5 categories, which include pH/ORP, Conductivity, Dissolved Oxygen, Ion Analysis, and Turbidity. The instruments under these include:
- Bench-top pH Meters
- Electrodes pH / ORP
- pH / ORP Calibration, Buffer & Cleaning Solutions
- Portable pH Meter
- Testers, pH and TDS
- Conductivity / TDS Meters, Testers
- Dissolved Oxygen Meter
- Ion Analysis
- Turbidity Meters
Water quality analysis is important as it will help you determine the right water treatment solution. Thus if you are looking for water analysis instruments or an agency that will perform the water analysis on your behalf, we at IDS Water have it all and much more. So what are you waiting for just browse through our directory as it will provide you with the details of numerous prospective vendors and suppliers to meet all your water quality analysis needs.
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