HG/T 6250-2023
HG/T 6250-2023
Ultraviolet absorber-2-Hydroxy-4-n-octoxybenzophenone(UV-531)
HG/T 6250-2023
Food contact materials - Polymer - Determination of 2-hydroxy-4-methoxy-benzophenon in food simulants - High performance liquid chromatography
HG/T 6250-2023
Determination of benzophenone and methyl p-hydroxybenzoate in aquatic products for export - LC-MS/MS method
HG/T 6250-2023
HG/T 6250-2023
Food contact materials - Polymer materials - Determination of 2,4-dihydroxybenzophenone in food simulants - High performance liquid chromatography
HG/T 6250-2023
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
HG/T 6250-2023
HG/T 6250-2023
HG/T 6250-2023
HG/T 6250-2023
Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Part 18: Determination of 1,2-dihydroxybenzene, 1,3-dihydroxybenzene, 1,4-dihydroxybenzene, 4,4-dihydroxybenzophenone and 4,4dihydroxybiphenyl in food simulants
HG/T 6250-2023
Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Part 18: Determination of 1.2-dihydroxybenzene, 1.3-dihydroxybenzene, 1.4-dihydroxybenzene, 4.4'-dihydroxybenzophenone and 4.4'-dihydroxybiphenyl in food simulants; German version CEN/TS 13130-18:2005
HG/T 6250-2023
HG/T 6250-2023
Water quality-Determination of selected phenoxyalkanoic herbicides,including bentazones and hydroxybenzonitriles by gas chromatographyand mass spectrometry after solid phase extraction and derivatization
HG/T 6250-2023
Water quality — Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization
HG/T 6250-2023
Cosmetic raw materials. Sunscreens. 2-Hidroxy-4-methoxy fenone (oxibenzone).
HG/T 6250-2023
Water quality. Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization
HG/T 6250-2023
Water quality - Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization (ISO 15913:2000)
HG/T 6250-2023
Water quality — Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization
HG/T 6250-2023
Water quality - Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization (ISO 15913:2000)