GB/T 21673-2008 English PDF

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GB/T 21673-2008: Water quality requirement for marine shrimp breeding
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21673-2008	149	Add to Cart	2 days	Water quality requirement for marine shrimp breeding	Valid

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Basic data

Standard ID: GB/T 21673-2008 (GB/T21673-2008)
Description (Translated English): Water quality requirement for marine shrimp breeding
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Z51
Classification of International Standard: 13.060
Word Count Estimation: 5,521
Date of Issue: 2008-04-09
Date of Implementation: 2008-06-01
Quoted Standard: GB 11607
Regulation (derived from): Announcement of Newly Approved National Standards No. 6, 2008 (No. 119 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the saltwater shrimp nursery water main water quality indicators and test methods. This standard applies to artificial breeding of sea water for shrimp, also applies to other artificial breeding of sea water shrimp.

GB/T 21673-2008: Water quality requirement for marine shrimp breeding

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Water quality requirement for marine shrimp breeding ICS 13.060 Z51 National Standards of People's Republic of China Sea shrimp nursery water quality requirements Posted 2008-04-09 2008-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by the People's Republic of China Ministry of Agriculture. This standard by the National Standardization Technical Committee on Fisheries mariculture sub-technical committee. This standard was drafted. Chinese Academy of Fishery Sciences Yellow Sea Fisheries Research Institute, Shandong Province Fisheries Technology Extension Station. The main drafters of this standard. the East Cheung, Chen Si Qing, Zhang Yan, Ma times loose, Lilu Jing, Wang Chunsheng. This standard was first published. Sea shrimp nursery water quality requirements

1 Scope

This standard specifies the main water quality indicators and testing methods seawater shrimp nursery water. This standard applies to water quality shrimp artificial breeding, but also for other marine shrimp artificial breeding water quality.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 11607 Fisheries water quality standards

3 Water Quality Technical Requirements

Shrimp nursery water quality shall comply with the provisions of GB 11607, the following indicators should also meet the requirements of Table 1. Table 1 shrimp nursery water quality requirements No. Item Requirements 1 color, smell and taste normal color, not red, white, blue, the same odor, water and other impurities may not appear Film 2 pH (pH) 7.8 ~ 8.5 3 salinity 23-35 4 Mercury/(mg/L) ≤0.00005 5 Cd/(mg/L) ≤0.001 6 Lead/(mg/L) ≤0.005 7 Copper/(mg/L) ≤0.005 8 Zn/(mg/L) ≤0.005 9 Se/(mg/L) ≤0.01 10 arsenic/(mg/L) ≤0.02 11 Malathion/(mg/L) ≤0.0005 12 BHC/(mg/L) ≤0.0004 13 petroleum/(mg/L) ≤0.005 14 Cyanide/(mg/L) ≤0.002

4 test methods

4.1 shrimp nursery water quality testing executed by the method specified in GB 11607. 4.2 Determination of the final outcome of the salinity according to formula (1), (2) is calculated. When the water temperature is higher than 17.5 ℃. S = 1305 × (R-1) + (T-17.5) × 0.3 (1) ......

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