Abstract: A dynamic quality control method for a chemical manufacturing process to maintain one or more products within quality and/or technical specification(s) can include measuring properties of feed-stock, intermediates, and the products to yield respective quality vectors; assigning a node specification to each of the feed-stocks, the intermediates, and the products, wherein the node specifications for the feed-stocks and the intermediates are dynamic node specifications; calculating conversion tensors to correlate any pairs of node specifications; comparing the quality vectors to the corresponding dynamic node specification(s); identifying a quality deficit and/or a quality surplus associated with each of the quality vectors based on the comparison to the corresponding dynamic node specification(s); and compensating for the quality deficit and/or the quality surplus by (A) adjusting conditions of the manufacturing process and/or (B) compensating the quality deficits with the quality surpluses via material transfe

Abstract: A test method for the determination of methanol in crude oils to levels as low as 0.5 ppm is disclosed. The method includes extracting methanol into a water phase from a test sample of the crude oil forming a test sample extract. The method further includes extracting methanol into a water phase from a reference sample of the crude oil forming a reference sample extract, wherein the reference sample having a predetermined amount of methanol added thereto. The method further includes measuring the methanol content in the test sample extract and the methanol content in the reference sample extract. The method also includes determining the methanol content of the crude oil based upon the methanol content in the test sample extract and the methanol content in the reference sample extract.

Abstract: A test method for the determination of methanol in crude oils to levels as low as 0.5 ppm is disclosed. The method includes extracting methanol into a water phase from a test sample of the crude oil forming a test sample extract. The method further includes extracting methanol into a water phase from a reference sample of the crude oil forming a reference sample extract, wherein the reference sample having a predetermined amount of methanol added thereto. The method further includes measuring the methanol content in the test sample extract and the methanol content in the reference sample extract. The method also includes determining the methanol content of the crude oil based upon the methanol content in the test sample extract and the methanol content in the reference sample extract.