Fertilizers mineral

Express methods for determining moisture
control and preliminary control of the finished product in the production of mineral fertilizers.
1
FERTILIZERS MINERAL
The method of infrared spectroscopy is intended only for technological testing.
Date of introduction - 2015-01-01
State system for ensuring the uniformity of measurements.
Official edition
mineral fertilizers. Express methods of moisture content determination
1) Replaced by GOST 1.2-2015.
2) In the Russian Federation, GOST R 8.563-2009 “State system for ensuring the uniformity of measurements. Techniques
(methods) of measurements”.
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1> See also [3].
Note - When using this standard, it is advisable to check the validity of reference standards in the public information system
- on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet or according to the annual
information index "National Standards", which was published as of January 1 of the current year, and according to the issues of
the monthly information index "National Standards" for the current year. If the reference standard is replaced (modified), then the
use of this standard should be guided by the replacing (modified) standard. If the referenced standard is canceled without
replacement, the provision in which the reference to it is given applies to the extent that this reference is not affected.
4 General provisions
3 Terms, definitions and abbreviations
2
verification scheme for measuring instruments for moisture content in solids and materials
4.1.1 IR TG method for determining the mass fraction of moisture is to measure the mass of the sample
GOST 8.630-2013 State system for ensuring the uniformity of measurements. State
4.1 Infrared thermogravimetric method
roving moisture meters of any type that implement not only the method of NIR spectroscopy.
GOST 8.613-2012
reflections of NIR radiation absorbed by water molecules at selected wavelengths.
4.2.1 The method of NIR spectroscopy is based on the dependence of the mass fraction of moisture and intensity
3.1 This standard uses the terms according to GOST 8.681, GOST 20432, GOST 29027, [1], [2]1). 3.2 The
following abbreviations are used in this standard: NIR, near infrared; GC -
calibration characteristic; IR -
infrared; TG - thermogravimetric; RE -
operation manual.