CATEGORIES

    GB/T 21877-2015
    Dyestuffs and intermediate of dyes—Determination of tapping density

    GB/T 21877-2015 "Dyes and dye intermediates—Determination of bulk density" is applicable to the determination of the bulk density of powdered or granular dyes and dye intermediates. Using a bulk density tester with a specific volume, the sample is allowed to flow naturally into the measuring cylinder up to the specified graduation. The mass of the sample corresponding to the volume is weighed using an analytical balance, and the bulk density is calculated. The standard specifies instrument calibration, sample pretreatment, and operational procedures to ensure the consistency and accuracy of the measurement results.

    This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
    Status Active
    CCS G55 ICS 87.060.10;71.100.01
    Release Date 2015-05-15 00:00:00 Implementation Date 2015-12-01 00:00:00

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