вҖңW/VвҖқд»ЈиЎЁиҙЁйҮҸжө“еәҰгҖӮиҙЁйҮҸжө“еәҰдёҖиҲ¬з”ЁвҖңW/VвҖқжҲ–вҖңm/VвҖқиЎЁзӨәжҜҸеҚ•дҪҚдҪ“з§ҜдёӯиҙЁйҮҸжҳҜеӨҡе°‘пјҢеҚ•дҪҚдёәвҖңkg/LвҖқжҲ–вҖңkg/m3вҖқгҖӮеҰӮвҖң20%(W/V)зҡ„з”ІйҶӣвҖқеә”иҜҙжҲҗвҖңиҙЁйҮҸжө“еәҰдёә200g/Lзҡ„з”ІйҶӣвҖқгҖӮ вҖңV/VвҖқд»ЈиЎЁзү©иҙЁжө“еәҰпјҢеҰӮвҖң20%(V/V)зҡ„дәҢж°§еҢ–зЎ«вҖқеә”иҜҙжҲҗвҖңдҪ“з§ҜеҲҶж•°дёә0.2(жҲ–20%)зҡ„дәҢж°§еҢ–зЎ«вҖқгҖӮ вҖңW/WвҖқд»ЈиЎЁиҙЁйҮҸеҲҶж•°пјҢеҰӮвҖң15%(W/W)зҡ„зЎ«й…ёвҖқеә”иҜҙжҲҗвҖңиҙЁйҮҸеҲҶж•°дёә0.15(жҲ–15%)зҡ„зЎ«й…ёвҖқгҖӮ жӢ“еұ•иө„ж–ҷпјҡ жө“еәҰеҚ•дҪҚзҡ„жҚўз®—е…¬ејҸпјҡ 1пјүгҖҒеҪ“йҮҸжө“еәҰ=1000.d.иҙЁйҮҸзҷҫеҲҶжө“еәҰ/E 2пјүгҖҒиҙЁйҮҸзҷҫеҲҶжө“еәҰ=еҪ“йҮҸжө“еәҰE/1000.d 3пјүгҖҒж‘©е°”жө“еәҰ=1000.dиҙЁйҮҸзҷҫеҲҶжө“еәҰ/M 4пјүгҖҒиҙЁйҮҸзҷҫеҲҶжө“еәҰ=иҙЁйҮҸ-дҪ“з§Ҝжө“еәҰпјҲжҜ«е…Ӣ/еҚҮпјү/104.d 5пјүгҖҒиҙЁйҮҸ-дҪ“з§Ҝжө“еәҰпјҲmg/Lпјү=104иҙЁйҮҸзҷҫеҲҶжө“еәҰ 6пјүгҖҒppmжҳҜйҮҚйҮҸзҡ„зҷҫеҲҶзҺҮпјҢppm=mg/kg=mg/L еҚі:1ppm=1ppm=1000ug/L 1ppb=1ug/L=0.001mg ејҸдёӯпјҡEвҖ”жә¶иҙЁзҡ„е…ӢеҪ“йҮҸпјӣ dвҖ”жә¶ж¶Ізҡ„жҜ”йҮҚпјӣ MвҖ”жә¶иҙЁзҡ„ж‘©е°”иҙЁйҮҸгҖӮ еҸӮиҖғиө„ж–ҷпјҡ зҷҫеәҰзҷҫ科вҖ”вҖ”иҙЁйҮҸжө“еәҰ иҝҷжҳҜеӣҪеӨ–зҡ„дёҖдёӘеёёз”ЁиЎЁзӨәжө“еәҰзҡ„ж–№жі•пјҢвҖңw/vвҖқеҚ•дҪҚжҳҜg/mLжҲ–иҖ…kg/LпјҢ1%w/vиЎЁзӨә100mLдҪ“з§Ҝжә¶ж¶Ідёӯеҗ«жңү1gиҜҘзү©иҙЁгҖӮиҜҰз»ҶиҜ·еҸӮиҖғ Chemistry LibreTexts д»ҘеҸҠ Wikipedia е…¶д»–зұ»дјјй—®йўҳ 2022-04-12 w/vеҚ•дҪҚжҳҜд»Җд№Ҳ? 1 2021-10-22 w/vеҚ•дҪҚжҳҜд»Җд№Ҳпјҹ 5 2022-04-08 1%(v/v)жҳҜд»Җд№ҲеҚ•дҪҚ 3 2022-03-29 жғізҹҘйҒ“w/vеҚ•дҪҚжҳҜд»Җд№Ҳпјҹ 1 2022-09-13 вҖңW/VвҖқеҚ•дҪҚиЎЁзӨәд»Җд№Ҳж„ҸжҖқпјҹ 2022-12-19 зңӢеҲ°дёҖдёӘеҚ•дҪҚ 1%w/v иҜ·й—®W/V жҳҜд»Җд№ҲеҚ•дҪҚпјҹ 1 2023-06-26 w/ vжҳҜд»Җд№ҲеҚ•дҪҚпјҹ 2023-07-18 W/ VжҳҜд»Җд№ҲеҚ•дҪҚпјҹ дёәдҪ жҺЁиҚҗпјҡ дёӘдәәгҖҒдјҒдёҡзұ» дҫөжқғжҠ•иҜү

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