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In experimental methodology, a round-robin test is an interlaboratory test (measurement, analysis, or experiment) performed independently several times. [1] This can involve multiple independent scientists performing the test with the use of the same method in different equipment, or a variety of methods and equipment.
A number of states in the United States have adopted their own test methods but they are based on ASTM methods. [3] Although there are similarities with the method it is not the same as an acid value. ASTM D2073 - This is a potentiometric method. [4] ASTM D2074-07; ASTM D2896 - potentiometric method with perchloric acid. [5] ASTM D6979-03
HGI is named after Ralph M. Hardgrove (born 1891 in Massillon, Ohio, died October 29, 1978, in Jacksonville, Florida [1]), who developed this procedure in the 1930s [2] for the company Babcock & Wilcox [3] in the USA. The procedure is generally accepted and standardized by ASTM-Standard D 409, DIN 51742 and ISO 5074.
1,4-Diamino-2,3-dihydroanthraquinone is an anthraquinone dye used with Disperse Red 9 in colored smoke to introduce a violet color. It is also used in dyes and marine flares . Synthesis
For a 3-point test of a rectangular beam behaving as an isotropic linear material, where w and h are the width and height of the beam, I is the second moment of area of the beam's cross-section, L is the distance between the two outer supports, and d is the deflection due to the load F applied at the middle of the beam, the flexural modulus: [1]
This method is an improvised version of ASTM D 3612A to do multiple extraction instead of single extraction and based on Toepler principle. In this apparatus a fixed volume of sample oil is directly drawn from a sample tube into a degassing vessel under vacuum, where the gases are released.
For example, ASTM D1000 has test methods for electrical tapes. There are ASTM specifications for many tapes including D2301 for vinyl electrical tape, D5486 for box-sealing tape, etc. Several of the ASTM test methods are coordinated with PSTC, other trade associations, and other international organizations.
Gas expansion pycnometer is also known as constant volume gas pycnometer. The simplest type of gas pycnometer (due to its relative lack of moving parts) consists of two chambers, one (with a removable gas-tight lid) to hold the sample and a second chamber of fixed, known (via calibration) internal volume – referred to as the reference volume or added volume.
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