check sample


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check sample

[′chek ‚sam·pəl]
(analytical chemistry)
References in periodicals archive ?
The initial lithium concentration at a depth of 236 m averaged 635 mg/l Li and 4,772 mg/l K, with a Mg/Li ratio of 2:1 from three samples (a primary sample, a check sample and a field duplicate taken at this depth using a bailer).
The Live Stress Check sample, with cavities that were formed under production conditions, is inspected with a camera system and special software to determine these distortions.
The Live Stress Check sample, with cavities formed under production conditions, is inspected with a camera system and special software to determine these distortions.
Ingredion controls the consistency of the product from farm through to final extract, using one patented high RebA variety grown and harvested with consistency, ensuring steviol glycoside distribution through consistent testing methodology verified through check sample testing and the use of verified standards.
Olewnik has been a professional member of AACC International since 1981 serving on numerous committees including: associate editor for Cereal Chemistry; secretary/chair/board of the AACC International Milling and Baking Division; Check Sample Committee chair; secretary/treasurer, program chair, and section chair in the AACC International Manhattan Section.
The data collection effort was commissioned by the Reserve Banks and consisted of three main studies--the Depository Financial Institution (DFI) Check Study, the Check Sample Study, and the Electronic Payment Instruments Study.
The research project conducted in 2001 consisted of three initiatives: the Depository Financial Institution (DFI) Check Study, the Check Sample Study and the Electronic Payment Instruments Study.
These checks might focus on changes in precision, or shifts, or even on a specific subcomponent by use of a representative check sample, rather than a specimen, but these quality-monitoring systems are not likely to detect blunders.
It was decided to record the compactibility of the production sand check sample taken at the muller deck and also tested in the lab for perceived differences between the two locations.
Laboratory Testing Inc's full-service Chemistry Lab also offers a range of services including ICP analysis, AES and wet chemistry to identify and quantify major and minor elements for customers wanting to check sample purity.
Traditionally, scientists have spent many hours poring over Excel spreadsheets to check sample preparation and run assignments.
It utilizes an onboard digital imaging system to check sample volume -- aliquotting is prioritized when there is an insufficient amount of sample in the primary tube -- as well as to identify tube size, cap type, and color.