Fertilizers mineral
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GOST 8.613-2012
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- 5.4 Preparing to take measurements
fraction of moisture
then yes. 5.1.3 As the results are accumulated during internal control and interlaboratory experiments, the quality indicators of the results of measurements of the IC TG by the method according to this standard when it is implemented in a particular laboratory can be refined taking into account the values actually provided by the laboratory. - the price of the smallest category in units of mass fraction of moisture - 0.01%; - the maximum weight limit - not less than 30 g; - the price of the smallest category in units of mass - no more than 0.001 g; - limit of absolute weighing error - no more than 0.005 g; - range of preset drying temperatures - not less than 50 °C - 180 °C; - discreteness of the set drying temperatures - 1 °C. 5.1.2 In this section, the maximum characteristics of the TG IR error me specified in Table 1 is provided by the IK TG moisture meter of an approved type with the following main characteristics: industrial fertilizers and middlings for measuring instruments of a particular type are carried out in accordance with the requirements of GOST 8.010, GOST 1.2, GOST 1.5 and this standard. Machine Translated by Google where f(n) is the critical range factor equal to 3.3 for n = 3. 5.4 Preparing to take measurements weight readings on the electronic panel of the moisture meter. If the absolute discrepancy exceeds the repeatability limit r, another result is obtained. include the following basic operations: (1) routine analyses. When carrying out control measurements as a result of measurements of the mass fraction of moisture 4 niya are selected taking into account the requirements of 4.1.2-4.1.3. 5.6 Processing measurement results drive in the following order. (2) 5.5.1 Conditions for performing measurements - according to 5.2. 5.5.2 When determining the mass fraction of moisture in mineral fertilizers and middlings, perform 5.4.2 IK TG moisture meter is prepared for operation in accordance with the OM. Measurement Mode Options capacity parameters of the measurement mode set in accordance with the OM on the IK TG moisture meter. CR&(n) = 5.4.1 Sampling and preparation of samples - according to GOST 21560.0 or according to regulatory documents for the mineral - a cuvette with a sample is placed in the working chamber of the IR TG moisture meter and dried at Download 5.52 Mb. Do'stlaringiz bilan baham: |
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