Multiresidue methodology by definition requires determinative steps capable of separating analytes from one another so each can be detected and measured individually. Both gas-liquid chromatography (GLC) and high performance liquid

商务部出口商品技术指南：食品污染物、农残限量

Use of any multiresidue method (MRM) is supported by available information about how potential residues behave through the steps of the method. To provide that support for PAM I MRMs, additional chemicals are continually tested through the method steps and the resulting data compiled in a single database. All PAM

Pesticide multiresidue methods (MRMs) are capable of simultaneously determin￾ing more than one residue in a single analysis; this multiresidue capability is provided by a GLC or HPLC determinative step that separates residues from one another before detection. The MRM concept is raised to a higher dimension when a single extract is examined with more than one chromatographic determinative

Transmittal No. 96-E1 (9/96) Form FDA 2905a (6/92) INDEX: METHODS–1 Pesticide Analytical Manual Vol. I INDEX: METHODS Index to PAM I Methods, by Chemicals Tested for Recovery Codes: C: complete (recovery); P: partial; S: small; V: variable; R: recovered; NR: not recovered

一、各论的学习方法 *DNA分子鉴定新方法 二、根与根茎类药材的质量控制 原植物形态 Plant Morphology 性状特征 Description *DNA特征 DNA molecular characters 显微特征 Microscopical characters 定性分析 Qualitatively analysis 优劣 定量分析 Quantitatively analysis 有害物质限量（重金属、农残、毒性成分）