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The ALS Environmental hub laboratories in Australia will be open during the Christmas/New Year period, except for the mandated public holidays and weekends. Any adjusted trading hours and sample deadline variations are listed here. Read More

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Selenium (Se) is an essential nutrient for humans and many microorganisms, as a component of selenoproteins such as selenocysteine (the 21st amino acid) and selenomethionine. The recommended dietary allowance for selenium is 55 μg/day, but excessive levels can cause human health problems (selenosis). Read More

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Biobased lubricants are defined as those that are biodegradable and derived from renewable raw materials, generally a plant based source. These oils are frequently made from a variety of vegetable oils, such as rapeseed, canola, sunflower, soybean, palm, and coconut oils.  Read More

Grease compatibility depends mostly on the compatibility of the thickener or soap base used by different products. Base oil compatibility and additives can also be a consideration. Even grease with similar thickener types can sometimes lead to lubrication problem when mixing different products, resulting in damage of the lubricated parts. Read More

Located in Mexico City, ARJ is the leading pharmaceutical analysis laboratory in Latin America. Founded in 1967 and employing over 500 employees, ARJ specializes in providing quality control services for medicines, medical equipment, healing material, food, beverages, cosmetics and chemicals to major pharmaceutical companies globally. Read More