邻羟基苯酮检测标准

Ultraviolet absorber-2-Hydroxy-4-n-octoxybenzophenone(UV-531)

Forensic sciences—Examination methods for chloracetophenone and o-chlorobenzalmalononitrile in tear agent samples—GC-MS

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

Food contact materials - Polymer materials - Determination of 2,4-dihydroxybenzophenone in food simulants - High performance liquid chromatography

Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography

Food contact materials - Polymer - Determination of 2-hydroxy-4-methoxy-benzophenon in food simulants - High performance liquid chromatography

Cosmetic raw materials. Sunscreens. 2-Hidroxy-4-methoxy fenone (oxibenzone).

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

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

Non-ionic surface active agents-Polyalkoxylated derivatives －Determination of hydroxyl value-Phthalic anhydride method

Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method

SURFACE ACTIVE AGENTS. POLYGLYCOLS. DETERMINATION OF HYDROXYL NUMBER. PHTHALIC ANHYDRIDE ESTERIFICATION METHOD

Test Method for Hydroxyl Groups by Phthalic Anhydride Esterification (Withdrawn 2001)

Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method