Starch exists as a carbohydrate in nature, derived from fruits, grain, and vegetables. It is utilized by the body once it has been broken down to glucose, a sugar which is consumed by cell metabolism. The biggest source of starch is corn, followed by potatoes, tapioca and wheat. Starch recently has also been used to …

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ISO 17034 Accreditation

The ISO 17034 Standard replaced Guide 34 in 2016. It specifies requirements for Certified Reference Material producers (CRM’s). One of these strict requirements is the measurement and tabulation of uncertainty guidelines for a chemical standard/reference material. These uncertainties (all possible sources of error) must be stated on certificates to the end user. A manufacturer which …

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ISO/IEC 17025 Accreditation

The ISO 17025 Standard is a requirement for competence of laboratories to perform testing of their products as well as calibration of their equipment. It is accepted and recognized as one of the highest standards in testing chemicals/standardized solutions manufacturing. For some aqueous solutions (pH buffers and conductivity standards) the additional compliance to ISO 17034 …

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