共找到 1500 条与 香精油 相关的标准,共 100 页
Oil of bergamot petitgrain[Citrus bergamia (Risso et Poit.)]
Essential oils — General rules for packaging, conditioning and storage
Essential oils — Determination of ester value of oils containing difficult-to-saponify esters
Essential oils — Determination of relative density at 20 degrees C — Reference method
Essential oils — Determination of carbonyl value — Free hydroxylamine method
Essential oils — Determination of ester values, before and after acetylation, and evaluation of the contents of free and total alcohols
Essential oil — Quantitative evaluation of residue on evaporation
Oils of bergamot, lemon, citron and lime, fully or partially reduced in bergapten — Determination of bergapten content by highpressure liquid chromatography(HPLC)
Essential oils — Analysis by high performance liquid chromatography — General method
Essential oils — Determination of freezing point
Essential oils — Determination of optical rotation
Oil of Spanish wild marjoram (Thymus mastichina L.)
本标准规定了重瓣红玫瑰精油的要求、试验方法、检验规则和标志、包装、运输、贮存。 本标准适用于水中蒸馏法和亚临界萃取法从重瓣红玫瑰鲜花中提取得到的精油。
Oil of rose, Multilayered petals red type
本标准规定了甲基柏木酮的基本要求、技术要求、试验方法、检验规则、标志、包装、运输、贮存和质量承诺。 本标准适用于以柏木油和(或)杉木油为原料经化学反应制得的甲基柏木酮。
Methyl cedryl ketone
What is ISO 3140 about? ISO 3140 specifies certain characteristics of the essential oil of sweet orange expressed [ Citrus sinensis (L.)] with a view to facilitating the assessment of its quality. Who is ISO 3140 for? ISO 3140 on essential oil of sweet orange expressed applies for:
Essential oil of sweet orange expressed [<i>Citrus sinensis</i> (L.)]
This document specifies certain characteristics of the essential oil of sweet orange expressed [Citrus sinensis (L.)] with a view to facilitating the assessment of its quality.
Essential oil of sweet orange expressed [Citrus sinensis (L.)]
Technical specification for extracting essential oil of Korean pine needles by steam distillation
Essential oil of Melaleuca, terpinen-4-ol type (Tea Tree oil) — Amendment 1: Enantiomeric distribution
标准的术语和定义主要参考了GB/T 12653《中国薰衣草(精)油》、GB /T 14455.1 《精油命名原则》确定的。 标准的要求依据GB/T 12653《中国薰衣草(精)油》、IS0 3515《薰衣草油国际标准》、DB65/T 3833-2015《地理标志产品 伊犁薰衣草精油》的要求,通过近几年对新疆区域内醒目薰衣草油的检测数据分析,对国家标准中规定的特征组分含量进行了科学性的调整。 通过近5年对醒目薰衣草油监测数据采集分析,新疆伊犁霍城地区的醒目薰衣草油的相对密度在0.891~0.899之间,折光指数在1.4650~1.4680之间,旋光度在-3°~2.5°之间,特征组分樟脑最高达12.7%,芳樟醇含量为26.9%~39.9%,乙酸芳樟酯含量为14.2%~20.5%,乙酸薰衣草酯含量为0~1.32%。根据以上检测数据,在制定本次醒目薰衣草油地方标准时,对醒目薰衣草油的相对密度、折光指数、旋光度及特征组分含量要求进行适当调整,相对密度调整为0.885~0.905,折光指数调整为1.4630~1.4700,旋光度调整为-6°~5°,樟脑调整限值为14%,乙酸芳樟酯调整为5%—30%,芳樟醇、乙酸薰衣草酯含量不做调整。
striking lavender
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