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Chemical oxygen demand — In environmental chemistry, the chemical oxygen demand (COD) test is commonly used to indirectly measure the amount of organic compounds in water. Most applications of COD determine the amount of organic pollutants found in surface water (e.g.… … Wikipedia
Potassium dichromate — Potassium dichromate … Wikipedia
Total organic carbon — (TOC) is the amount of carbon bound in an organic compound and is often used as a non specific indicator of water quality or cleanliness of pharmaceutical manufacturing equipment. A typical analysis for TOC measures both the total carbon present… … Wikipedia
Wikipedia:Manual of Style/Medicine-related articles — For advice on choosing and using reliable sources, see Wikipedia:Reliable sources (medicine related articles). This guideline is a part of the English Wikipedia s Manual of Style. Use common sense in applying it; it will have occasional… … Wikipedia

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