Home Cart Quotation Policy About-Us
www.ChineseStandard.net
Database: 221887 (14 Apr 2026)
SEARCH
Path: Home > GB/T > Page658 > GB/T 21808-2008

GB/T 21808-2008 PDF English

Price & Delivery

US$394.00 · In stock · Download in 9 seconds
GB/T 21808-2008: Testing of chemicals -- Fish, prolonged toxicity: 14-day study test
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Obsolete
Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
GB/T 21808-2008English394 Add to Cart 3 days [Need to translate] Testing of chemicals -- Fish, prolonged toxicity: 14-day study test

Click to Preview a similar PDF

Basic data

Standard ID GB/T 21808-2008 (GB/T21808-2008)
Description (Translated English) Testing of chemicals -- Fish, prolonged toxicity: 14-day study test
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A80
Classification of International Standard 13.300; 13.020.40
Word Count Estimation 10,115
Date of Issue 2008-05-12
Date of Implementation 2008-09-01
Adopted Standard OECD No.204-1984, IDT
Regulation (derived from) Announcement of Newly Approved National Standards No. 7, 2008 (No. 120 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 chemical toxicity of fish 14 days trial extended overview of the methods, test preparation, test procedures, quality assurance and quality control, data and reports. This standard applies only to extend the chemicals on freshwater fish toxicity 14-day trial. Limited solubility in the experimental conditions, the chemical, may not necessarily want to be able to determine the standard value measured. If a longer period of observation is useful and appropriate and necessary to provide additional information that contains other test reports, you may be able to replace the standard fish acute toxicity test.

GB/T 21808-2008: Testing of chemicals -- Fish, prolonged toxicity: 14-day study test


---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.
Testing of chemicals Fish, prolonged toxicity. 14-day study test ICS 13.300; 13.020.40 A80 National Standards of People's Republic of China Fish chemicals Prolonged Toxicity Test 14 days Posted 2008-05-12 2008-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is identical with the Organisation for Economic Co-operation and Development (OECD) guidelines for testing of chemicals No. 204 (1984), "Fish prolonged toxicity 14 days test "(in English). This standard does the following editorial amendments. --- Recommended increased rare species The Standard Appendix A and Appendix B is an informative annex. This standard is managed by the National Standardization Technical Committee chemicals dangerous (SAC/TC251) and focal points. This standard is drafted by. Environmental Protection Department of Chemical Registration Center. Participated in the drafting of this standard. Shanghai Academy of Environmental Sciences, Ministry of Environmental Protection, Nanjing Institute of Environmental Sciences, Shenyang Chemical Research Institute Safety Evaluation Center. The main drafters of this standard. Zhou Hong, Guihua, baby Shen Ying, Hu Shuangqing, Liangdan Tao, Han Zhihua, Wu Yinghui. Fish chemicals Prolonged Toxicity Test 14 days

1 Scope

This standard specifies the chemical toxicity of fish extended 14 days test methods outlined, test preparation, test procedures, quality assurance and quality Control, data and reports. This standard applies only to the chemical toxicity of freshwater fish to extend the 14-day trial. Under the experimental conditions for the limited solubility of chemicals, it may not necessarily be able to determine the desired value of the standard assay. If a longer period of observation is useful and appropriate, and it is necessary to provide test reports contain much more information, then perhaps this standard To replace the fish acute toxicity test.

2 Terms and definitions

The following terms and definitions apply to this standard. 2.1 To be replaced periodically test medium mode (such as 12h or 24h) tests carried out. 2.2 In the test solution constant so that the test medium by test vessel is continuously updated manner tests. 2.3 The lowest concentration of the test substance to produce lethal effects. 2.4 The test solution was tested exhibited the lowest concentration tested other effects in addition to lethal effect outside. 2.5 Compared with the control of the test organisms did not produce the highest tested concentration of a significant effect.

3 test substance information

a) solubility in water; b) vapor pressure; c) structural formula; d) purity; e) an aqueous solution of quantitative analysis methods; f) stability in water and light in; g) octanol - water partition coefficient; h) biodegradation test results. ...

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 21808-2008_English be delivered?


Answer: Upon your order, we will start to translate GB/T 21808-2008_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 21808-2008_English with my colleagues?


Answer: Yes. The purchased PDF of GB/T 21808-2008_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
Refund Policy Privacy Policy Terms of Service