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管螺纹类型和名称 经 Colder Products Company 许可发布 综述 为了应用于紧固和液压系统，不同类型的螺纹相继问世。其中，液压回路中的塑料与金属、锥形/平行螺纹接头尤其引人关注。对此本文进行了讨论并给出了一些建议，以帮助了解不同类型的螺纹及其使用方式。 发展 19 世纪，液压和气动回路以及紧固部件需要各种各样的螺纹类型。因此，制造商开始自己设计紧固系统。这就导致了兼容性问题。英国机械工程师和发明家 Joseph Whitworth 爵士于 1841 年设计了一款统一的螺...

Masterflex® 蠕动泵系统 为自己选择合适的泵 Masterflex 泵选择工具 Masterflex 选择指南 Masterflex® 泵是全球首选解决方案。在蠕动泵管、软管泵、隔膜计量泵、真空/压力泵、流量计和混合器的设计、工程和制造方面，我们是行业领导者。只有 Masterflex® 才能为您提供无与伦比的多功能性以及标准设置的可靠性——超过 55 年制造高性能蠕动泵的经验。凭借丰富的专业知识和超过 10000 种泵配置选择，我们有能力帮助您选择满足您的特定应用需求的泵系统。...

泵管选型指南 下面的“泵管选型指南”可助您为您的应用选择合适的泵管。下表中的化学相容性指南和耐化学性总结仅作参考。耐化学性和泵管磨损可能因用途而异，请根据实际条件测试您选择的泵管。 耐化学性分类 A —持续暴露 30 天后无损坏。 B —持续暴露 30 天后几乎没有损坏。 C —持续暴露 7 天后会产生一些影响。影响可能包括开裂、龟裂、强度损失、变色、软化或膨胀。有时，软化和膨胀是可逆的。 D —不建议连续使用。可能会立即造成损坏。 “_” —测试数据不可用或不适用。 配方 工作 温度 树...

Kjeldahl tablets 20 different compositions for nitrogen determination A comprehensive range of ‘ready to use’ tablets to meet the optimal requirements for the sulphuric acid decomposition phase of the Kjeldahl method for nitrogen determination. Av...

PowerPoint Presentation ACE ® HPLC / UHPLC Columns PHASE USP LISTING FUNCTIONAL GROUP ENDCAPPED PARTICLE SIZE (µm)* PORE SIZE (Å) SURFACE AREA (m2/g) CARBON LOAD (%) PH RANGE 100% AQ compatible ACE® Traditional Chemistries C18 L1 Octadecyl Yes 1.7...

1 qPCR Mycoplasma Test Kit Real time/qPCR test kit for mycoplasma detection Product code A9019___________________________________________________________________________ j Description The Mycoplasma PCR Detection Kit is based on a 5-Nuclease probe...

Hichrom Catalogue 9 HICHROM Chromatography Columns and Supplies Hichrom Limited 1 The Markham Centre Station Road Theale Reading Berks RG7 4PE UK Tel: +44 (0)118 930 3660 Fax: +44 (0)118 932 3484 Email: sales@hichrom.co.uk www.hichrom.co.uk Catalo...

ANALYSIS APPLICATION NOTE INTRODUCTION A biosimilar is a biological medicine highly similar to an approved biological medicine (originator) in terms of structure biological activity and efficacy safety and immu- nogenicity profile. In order to dem...

General Description of an Application Application Date: 15.04.2013 Page 1 of 7 Determination of chloride/sodium chloride (salt) in food samples Application Date: 15.04.2013 Page 2 of 7 Use Potentiometric determination of chloride/sodium chloride (...

Trusted by scientists worldwide the Thermo Scientific™ NanoDrop™ instruments set the standard for microvolume analysis delivering accurate nucleic acid and protein sample concentration as well as sample purity information. Quantify and qualify DNA...

CASE STUDY Vegetables FDA validated molecular method to detect C. cayetanensis in food samples Keyword: Cyclospora cayetanensis Fresh produce Prepared dish qPCR Aim of the study: Evaluate the performance of the FDA method for detection of C. Cayet...

Gehaltsbestimmung von Ca und Mg in Mineralwässern Application date: 20.06.2013 page 1 from 10 Determination of isocyanate (NCO-) content Application date: 20.06.2013 page 2 from 10 Use This method is applicable for material containing reactive iso...

33 LC Colum n Selection – C18 Reversed-Phase M aterials www.hichrom.co.uk • sales@hichrom.co.uk • Tel: +44 (0) 118 930 3660 Hichrom Lim ited C18 Reversed-Phase Materials SPECIFICATIONS OF C18 BONDED RP MATERIALS Octadecyl (ODS) or C18 bonded phase...

Thermo Scientific NanoDrop One Microvolume UV-Vis Spectrophotometers Intelligent microvolume analysis Pipette. Measure. Know. • Employs spectral analysis algorithms to identify contaminants in the sample and report a corrected concentration. • Ens...

Microsoft Word - CONSUMABLES_and_ACCESSORIES-Fittings_and_Connectors_p330-333b.docx HICHROM Chromatography Columns and Supplies LC CONSUMABLES AND ACCESSORIES Fittings and Connectors Catalogue 9 Hichrom Limited 1 The Markham Centre Station Road Th...

CHEM_PRELIMS_GB_2008_H.qxp C h e m i c a l s r e a g e n t s s t a n d a r d s & m i c r o b i o l o g y m e d i a 2 0 0 8 xv PA C K A G IN G FR O M V W R A wide offer of all sizes all types of packaging Our packaging are submitted to rigorous p...