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HJ491
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为贯彻《中华人民共和国环境保护法》和《中华人民共和国土壤污染防治法》，保护生态环境，保障人体健康，规范土壤和沉积物中铜、锌、铅、镍和铬的测定方法，制定本标准。
本标准规定了测定土壤和沉积物中铜、锌、铅、镍和铬的火焰原子吸收分光光度法。本标准适用于土壤和沉积物中铜、锌、铅、镍和铬的测定，方法检出限和测定下限分别为1mg/kg、1mg/kg、10mg/kg、3mg/kg和4mgkg，测定下限分别为4mg/kg、4mg/kg、 40mg/kg、12mg/kg和16mg/kg。
HJ360, HJ451, HJ491. CLOSE. Bottles and Containers (Blow Molding) NOVATECTM HD is used for various bottles and containers such as cooking oil bottles, detergent bottles and industrial chemical cans and drums. Why Use NOVATEC™ HD？ ...
HJ 491-2019: PDF in English HJ 491-2019 HJ NATIONAL ENVIRONMENTAL PROTECTION STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA Replacing HJ 491-2009 Soil and sediment - Determination of copper, zinc, lead, nickel and chromium - Flame atomic absorption spectrophotometry ISSUED ON: MAY 12, 2019 IMPLEMENTED ON: SEPTEMBER 01, 2019 Issued by: Ministry of Ecology and Environment Soil and sediment ...
本标准规定了测定土壤和沉积物中铜、锌、铅、镍和铬的火焰原子吸收分光光度法。本标准适用于土壤和沉积物中铜、锌、铅、镍和铬的测定，并提供了相关的标准物质资源。
HJ 491-2019: Soil and sediment - Determination of copper, zinc, lead, nickel and chromium - Flame atomic absorption spectrophotometry HJ 491-2019 HJ NATIONAL ENVIRONMENTAL PROTECT
Novatec® HD HJ491. Generic Family: Polyethylene, High Density • Supplied by: Japan Polychem Corporation. Properties. Processing. Where To Buy. General Properties. Access the complete datasheet details for Novatec® HD HJ491 when you create your free account with Prospector. You'll find complete information on physical, mechanical and ...
NOVATEC™ HD HJ491 by Japan Polyethylene is a high-density polyethylene (HDPE) grade produced by combining unique polymerization and catalyst technology. It is suitable for processing by injection molding. It is JPN-approved for food applications. NOVATEC™ HD HJ491 is used in PET bottle caps and food containers.
( hj491-2019 2019-09-01实施) 为贯彻《中华人民共和国环境保护法》和《中华人民共和国土壤污染防治法》，保护生态环境，保障人体健康，规范土壤和沉积物中铜、锌、铅、镍和铬的测定方法，制定本标准。本标准规定了测定土壤和沉积物中铜、锌、铅、镍和铬的 ...
HJ491-2019-土壤和沉积物 铜、锌、铅、镍、铬的测定 火焰原子吸收分光光度法.pdf,中华人民共和国国家环境保护标准 HJ 491-2019 代替 HJ 491-2009 土壤和沉积物 铜、锌、铅、镍、铬的测定火 焰原子吸收分光光度法 Soil and sediment—Determination of cop.