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WebIn general, technical grade or laboratory grade are the lowest purity. ACS Reagent grade means that the chemical conforms to specifications defined by the Committee on Analytical Reagents of the American Chemical Society (but Aldrich "ReagentPlus" means >95% pure). So, "ACS Reagent grade" chemicals should be comparable from different suppliers. WebEnglish Name : SIGMA - ALDRICH ISRAEL LTD : Hebrew Name : סיגמה - אולדריץ ישראל בע"מ : Incorporation Date : 1969-06-16 : Company Type : Private Company : Phone Number : City … fisher tools repairs

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