Công nghệ hóa chất; Hóa chất vô cơ; Hóa chất hữu cơ; Hóa phân tích; Chemical products; Analytical chemistry; Organic chemicals; Inorganic chemicals; Carbon dioxide; Supercritical fluid; Cosmetics; Analytical methods; Method validation; Lithium compounds; Alcohols; Esters; Ketones; Aromatic hydrocarbons; Ethylbenzene; Styrene; Gas chromatography; Capillary gas chromatography; Liquid chromatography; Spectroscopy; Atomic absorption spectrometry; TXRF; Ion exchange; Ion exchange resins; Cation exchange; Anion exchange; Mixed bed cartridges; Impurity analysis; Organic fouling; Surface chemical analysis; Platinum-Cobalt Scale; Methyl n-Amyl Ketone; Dibutyl Phthalate; Electron-Capture Detectors; Flame Ionization Detectors; ASTM E1747-95(2026); ASTM E1747-95(2019); ISO/DIS 22176; ISO/TS 22176:2020; ISO/DIS 12467-3; ASTM D1007-11(2026); ASTM D1007-11(2019); ASTM D1078-11(2026); ASTM D1078-11(2019); ASTM D1686-25; ASTM D1686-19; ASTM D1719-11(2026); ASTM D1719-11(2019); ASTM D304-11(2026); ASTM D304-11(2019); ASTM D3130-11(2026); ASTM D3130-11(2019); ASTM D331-11(2026); ASTM D331-11(2019); ASTM D3622-11(2026); ASTM D3622-11(2019); ASTM D4360-11(2026); ASTM D4360-11(2019); ASTM D4614-11(2026); ASTM D4614-11(2019); ASTM D5060-25; ASTM D5060-12(2021)e1; ASTM D5135-25; ASTM D5135-21; ASTM D608-05(2026); ASTM D608-05(2019); ASTM D740-11(2026); ASTM D740-11(2019); ASTM D1782-26; ASTM D1782-17; ASTM D3087-26; ASTM D3087-17; ASTM D5042-26; ASTM D5042-90(2009); ASTM D5627-26; ASTM D5627-17; ASTM D7513-26; ASTM D7513-17; ASTM E1657-98(2026); ASTM E1657-98(2019); ASTM E1770-19(2025); ASTM E1770-19; ASTM E2106-00(2026); ASTM E2106-00(2019); ASTM E260-96(2026); ASTM E260-96(2019); ASTM E594-96(2026); ASTM E594-96(2019); ASTM E697-96(2026); ASTM E697-96(2019); JIS K 0148:2026; JIS K 0160:2026