Definition : Chromatography columns fabricated by coating their inner walls with a thin film of liquid as the stationary phase. Most capillary columns use fused-silica, stainless steel, or glass tubes of 0.2 to 0.6 mm in inner diameter and 10 to 150 m in length. Capillary columns are very efficient but have a relatively low sample capacity. These columns are used in systems that use gas as the mobile phase (gas chromatography systems).
Avantor Performance Materials is a global leader in performance materials and chemistries -- sophisticated products engineered to help you tackle your new-technology challenges and enable you to support and amplify your performance, increase your speed to market and lower the cost of ownership.
Bio-Rad Laboratories continues to play a leading role in the advancement of scientific discovery by offering a broad range of innovative tools and services to the life science research and clinical diagnostics markets. Founded in 1952, Bio-Rad has a global team of more than 7,000 employees and serves more than 100,000 research and industry customers worldwide through the company's global network of operations.
Comar, Inc. is a privately held company headquartered in Buena, New Jersey. Since 1949, Comar has been a market leading designer and manufacturer of innovative plastic packaging solutions, liquid dispensing products and a variety of tubular glass vials, serving the pharmaceutical, diagnostic, health and personal care markets
As a global technology leader, PerkinElmer is taking action to harness the power of insights and transform them into knowledge to deliver innovative, differentiated solutions for our customers. From critical therapeutic and disease research and prenatal screening, to environmental testing and industrial monitoring, we are actively engaged in improving health and advancing quality and longevity of life all around the world.
PID Analyzers develops sensors and systems for air, water and process monitoring using technologies such as : photoionization, flame ionization, thermal conductivity, flame photometry, infrared & UV absorption, electrochemistry, capacitance, gas chromatography
Waters Corporation has been in the business of making innovative analytical instruments that assist scientists in reaching their scientific goals, increase productivity, and earn laboratory-based organizations a higher return on their investments in research, development, and quality control.
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Advanced Search
There are 3 types of search. Please only use one option at a time.
1) Build a boolean search string.
Ensure that document matches include...
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Information on how to use Search
There are 2 types of basic queries: Terms and Phrases.
A Term is a single word search.
A Phrase would wrap a string of words in quotes and find matches on the extact string.
Boolean Operators You can combine basic queries with Boolean operators to form a more complex query. Boolean operators define the relationships between Terms or Phrases. Our search supports the following Boolean operators: AND, "+", OR, NOT and "-". Please note that Boolean operators must be all uppercase.
AND example search: default AND document
This is the default operator. It will be used if there is no Boolean operator between two terms. For example:
default document is the same as default AND document. In this case both terms need to exist within a listing to find a match on that listing.The + character is synonymous with using AND.
OR example search: default OR document
In this case just one of the terms needs to exist within a listing to find a match on that listing.
NOT example search: default NOT "document type"
The NOT operator excludes documents that contain the term (or phrase) after NOT. So a listing match would have to include the word default but not the phrase "document type". The - character is synonymous with using NOT.
Wildcard/Prefix queries You can perform "wildcard" or "prefix" queries using the '*' operator. Whereas all of the previous search found exact matches on the whole term or phrase, a wildcard search will find partial matches.
example search: ehr*
This query will match all documents containing words beginning with the prefix 'ehr' like the word Ehrlichia.
