T/NTZX 001-2017 Active Group standards

T/NTZX 001-2017 Rudeis Seaweed

T/NTZX 001-2017

Publish Date: 2017-12-12 Implement Date: 2017-12-12 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/NTZX 001-2017

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Marine aquaculture and its products

ICS Name: Fishing and aquaculture

Publish Date: 2017-12-12

Implement Date: 2017-12-12

Scope

Scope: This standard specifies the protection scope of geographical indication products for Rongdong speckled seaweed, terms and definitions, requirements, inspection rules, marking, packaging, transportation, storage, and shelf life. Main technical contents: 4.1.1 Sea area: The cultivation sea area should be selected within 10 nautical miles to 40 nautical miles off the coast of Rongdong, with a tidal exposure time of 2.5 hours to 5.5 hours per day. 4.1.2 Substrate: The beach surface should be flat, with a substrate of sand or silt. 4.1.3 Water quality: The water should be clear and free from pollution, meeting the requirements of GB 3097. The water flow should be unobstructed, with a salinity of 25‰ to 30‰, a pH value of 7.8 to 8.5, a water velocity of 0.2 m/s to 0.3 m/s, and a water transparency of 1.0 m to 1.5 m. The total nitrogen content in the seawater should be 200 mg/m3 to 500 mg/m3. 4.2.1 Algal species: They should comply with the provisions of GB/T 32712. 4.2.2 Cultivation: It shall be carried out in accordance with the provisions of DB32/T 169, DB32/T 170, and DB32/T 887. 4.3 Processing requirements 4.3.1 Raw and auxiliary materials requirements: The fresh seaweed should be fresh, free from impurities, and free from visible impurities to the naked eye.