Merck
CN
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文件

28463-U

Supelco

VOCOL® 毛细管GC色谱柱

L × I.D. 20 m × 0.18 mm, df 1.00 μm

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eCl@ss:
32119290
NACRES:
SB.54

物料

fused silica

质量水平

100

Agency

EPA TO-17,502.2,624,8015,8260,OLM04.2 VOA,524.2
NIOSH 1003
suitable for EPA 601

参数

≤25-250 °C temperature (isothermal or programmed)

β值

45

df

1.00 μm

技术

gas chromatography (GC): suitable (fast GC)

长度 × 内径

20 m × 0.18 mm

应用

environmental
food and beverages
forensics and toxicology
industrial hygiene

色谱柱类型

capillary intermediate polar

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相关类别

一般描述

应用：这种被设计用于挥发性有机化合物（VOC）分析的中间极性色谱柱可为高挥发性化合物提供较高的保留时间和分辨率。可直接通过进样端口或偶联至吹扫捕集系统而使用该色谱柱。
USP代码：非
相：
  • 结合
  • 永久
温度。限制：
  • ≤0.32 mm I.D., <2 μm: 亚常温至250 °C (等温或程序性的)
  • ≤0.32 mm I.D., ≥2 μm: 亚常温至230 °C (等温或程序性的)
  • ≥0.53 mm I.D., <2 μm: 亚常温至250 °C (等温或程序性的)
  • ≥0.53 mm I.D., ≥2 μm: 亚常温至230 °C (等温或程序性的)

其他说明

We offer a variety of chromatography accessories including analytical syringes

法律信息

VOCOL is a registered trademark of Merck KGaA, Darmstadt, Germany

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Katherine Sanchez et al.
Logopedics, phoniatrics, vocology, 39(2), 62-71 (2013-04-18)
Automatic recordings were made of speech and voice range profiles for 63 vocally healthy Australian men and women without voice training (30 males and 33 females aged 21 to 65 years). Test-retest reliability, evaluated for a subgroup, was high. Speech
Nathalie Henrich et al.
Logopedics, phoniatrics, vocology, 32(4), 171-177 (2007-11-09)
Are the characteristic timbre and loudness of Bulgarian women's singing related to tuning of resonances of the vocal tract? We studied an Australian female singer, who practises and teaches Bulgarian singing technique. Two different vocal qualities of this style were
Carmelle Moore
Logopedics, phoniatrics, vocology, 37(4), 144-150 (2012-11-10)
This paper explores the application of modified yoga techniques, as an adjunct to voice therapy, by a speech pathologist who is also a yoga teacher. Yoga practices, with effects that may be short-term, are not considered a substitute for comprehensive
Irena Vincent et al.
Logopedics, phoniatrics, vocology, 37(1), 22-32 (2011-12-14)
To investigate voice changes as they develop over time due to cigarette smoking, women who never smoked (NS), women who smoked less than 10 years (S1), and women who smoked 10 or more years (S2) were compared. Acoustic (fundamental frequency
Eric Manders et al.
Logopedics, phoniatrics, vocology, 36(4), 139-144 (2011-03-10)
In this study we investigated how important significant others find it to be informed, supported, and trained by speech-language pathologists (SLPs) and to what extent they perceive their expectations and needs as to these aspects to be fulfilled. Furthermore SLPs
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