This standard specifies the establishment of standard samples, the review and replacement of standard samples, the sale of standard samples, the marking, packaging, and transportation of standard samples, the custody and storage of standard samples, the arbitration of standard samples, and the validity period of standard samples. This standard is applicable to the management of national dye standard samples and chemical industry standard samples.
HG/T 2687-1995 history
2021HG/T 2687-2021 Control requirements for reference materials for dye color and intensity determination
1995HG/T 2687-1995 Measures for the management of dye standard samples