GSO ISO 19820:2021
ISO 19820:2016
Gulf Standard
Current Edition
·
Approved on
01 July 2021
Water quality — Determination of the acute toxicity to the marine rotifer Brachionus plicatilis
GSO ISO 19820:2021 Files
No files for this standard are available in the store currently.
GSO ISO 19820:2021 Scope
ISO 19820:2016 specifies a method for the determination of the lethal effects of toxicants to Brachionus plicatilis after 24 h or 48 h exposure.
The method is applicable to the following:
a) chemical substances which are soluble or which can be maintained as a stable suspension of dispersions under the conditions of the test;
b) industrial or sewage effluents, treated or untreated, if appropriate after decantation, filtration, or centrifugation;
c) marine or estuarine waters;
d) sediment elutriates/eluates.
Best Sellers From Chemical and Textile Sector
GSO 1943:2024
Gulf Technical Regulation
Cosmetic Products – Safety Requirements of Cosmetics and Personal Care Products
GSO 2528:2024
Gulf Technical Regulation
Cosmetic products – Technical Regulation of Cosmetic and Personal Care Products Claims
GSO 2555:2021
Gulf Technical Regulation
General Safety Requirements of Household Detergents
YSMO GSO 2555:2023
GSO 2555:2021
Yemeni Technical Regulation
General Safety Requirements of Household Detergents
Recently Published from Chemical and Textile Sector
GSO ASTM E2752:2026
ASTM E2752:25
Gulf Standard
Standard Guide for Evaluation of Residual Effectiveness of Antibacterial Personal Cleansing Products
GSO ASTM E1490:2026
ASTM E1490:19
Gulf Standard
Standard Guide for Two Sensory Descriptive Analysis Approaches for Skin Creams and Lotions
GSO ISO 24255:2026
ISO 24255:2025
Gulf Standard
Essential oil of clary sage (Salvia sclarea L.) "prewilted" French type and "chopped" French type
GSO ISO 16408:2026
ISO 16408:2025
Gulf Standard
Dentistry — Oral care products — Oral rinses