1. Grade classification, mainly based on sensory appearance, purity ratio (by particle number), empty shell ratio (by weight), impurity ratio (by weight), other shell ratio (by particle number), size uniformity, etc. Indicators are classified. 2. River clam specifications are mainly distinguished by the number of particles per kilogram, shell width, etc. 3. Inspection rules, mainly including the determination of the same inspection batch, sampling methods, and inspection classification. 4. Packaging, transportation and storage of river clams.
T/HZH 01-2019 history
2019T/HZH 01-2019 Quality standard of Hongze Lake Asian Clam
2017T/HZH 01-2017 Technical specification for Hongze Lake net culture crab