Analytical methods and quality assurance

2000 ◽  
Vol 31 (11-14) ◽  
pp. 2007-2017 ◽  
Author(s):  
K. W. Perrott ◽  
M. J. Kear
Keyword(s):  
Quality Assurance ◽  
Analytical Methods

scholarly journals The Application of NMR Spectroscopy and Chemometrics in Authentication of Spices

Molecules ◽  
2021 ◽  
Vol 26 (2) ◽  
pp. 382
Author(s):  
Barbara Pacholczyk-Sienicka ◽  
Grzegorz Ciepielowski ◽  
Łukasz Albrecht
Keyword(s):  
Quality Assurance ◽  
Nmr Spectroscopy ◽  
Sample Preparation ◽  
Bioactive Compounds ◽  
Analytical Methods ◽  
Structural Information ◽  
Chemometric Analysis ◽  
Spectroscopic Methods ◽  
Regular Consumption ◽  
No Sample Preparation

Spices and herbs are among the most commonly adulterated food types. This is because spices are widely used to process food. Spices not only enhance the flavor and taste of food, but they are also sources of numerous bioactive compounds that are significantly beneficial for health. The healing effects of spices are connected with their antimicrobial, anti-inflammatory and carminative properties. However, regular consumption of adulterated spices may cause fatal damage to our system because adulterants in most cases are unhealthy. For that reason, the appropriate analytical methods are necessary for quality assurance and to ensure the authenticity of spices. Spectroscopic methods are gaining interest as they are fast, require little or no sample preparation, and provide rich structural information. This review provides an overview of the application of NMR spectroscopy combined with chemometric analysis to determine the quality and adulteration of spices.

Analytical methods and quality assurance

2000 ◽  
Vol 31 (11-14) ◽  
pp. 1965-1972
Author(s):  
Rodney Luciuk ◽  
Gary E. Winkleman ◽  
Mark Sluser ◽  
Patrick A. Taylor ◽  
Arnie M. Ens
Keyword(s):  
Quality Assurance ◽  
Analytical Methods

Analytical Techniques for Glass Contamination of Food: A Guide for Administrators and Analysts

1990 ◽  
Vol 53 (10) ◽  
pp. 895-899 ◽  
Author(s):  
JOHN S. GECAN ◽  
STANLEY M. CICHOWICZ ◽  
PARIS M. BRICKEY
Keyword(s):  
Quality Assurance ◽  
Analytical Methods ◽  
Analytical Techniques ◽  
Consumer Products ◽  
Analytical Scheme

An analytical scheme is presented to provide an overview of techniques applicable to glass contamination in a variety of consumer products. Procedures are referenced or presented in detail, with emphasis on quality assurance. References on forensic and analytical methods for the examination of glass are provided.

From Parochial to International

1989 ◽  
Vol 72 (1) ◽  
pp. 1-5
Author(s):  
Alex Williams
Keyword(s):  
Quality Assurance ◽  
Reference Materials ◽  
Analytical Methods ◽  
Certified Reference Materials ◽  
Analytical Measurement ◽  
Require Data

Abstract The customers for analytical measurement services have international requirements; they require data of proven validity that will be accepted internationally. This means that well researched and tested analytical methods must gain better international acceptance. The methods should be capable of producing results to the accuracy required by the customer. They need to be supported by the use of appropriate certified reference materials, and the analyst, in reporting results, should give an estimate of the accuracy obtained. In addition, an independent accreditation is needed of the quality assurance procedures of the laboratory to assure customers that the analytical methods have been used correctly.

Analytical Methods for Maintaining Quality Assurance of Recycled Fracturing Fluids

2003 ◽  
Author(s):  
R. Hanes ◽  
M. Parker ◽  
B. Slabaugh ◽  
J. Weaver ◽  
H.G. Walters
Keyword(s):  
Quality Assurance ◽  
Analytical Methods ◽  
Fracturing Fluids

Role of Collaborative and Cooperative Studies in Evaluation of Analytical Methods

1986 ◽  
Vol 69 (3) ◽  
pp. 398-400
Author(s):  
John K Taylor
Keyword(s):  
Quality Assurance ◽  
Analytical Methods ◽  
Regulatory Process ◽  
Measurement Process ◽  
Performance Characteristics ◽  
Collaborative Testing ◽  
Typical Performance

Abstract A method proposed as a standard or for use in a regulatory process must be reliable and its typical performance characteristics should be stated and verified. Collaborative testing is the most acceptable way to accomplish the latter but its function should not be misunderstood. Such testing can verify performance characteristics and experimentally demonstrate that the methodology can be used successfully by a representative group of laboratories. It does not necessarily support the validity of any data obtained using the method because this may depend on many other factors including the expertise of the laboratory and the quality assurance aspects of its measurement process.

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