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水中钾离子成分分析标准物质,7447-40-7,1000μg/ml ±1% (20℃)
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DWK Life Sciences (Wheaton) 986730 Scintillation Vials, PET W/Attached PE-Lined Caps, 20 mL; 500/Cs
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DWK Life Sciences (Wheaton) 986731 Scintillation Vials, PET W/Attached Foil-Lined Caps, 20 mL; 500/Cs
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过氧乙酸测试盒 Method: colorimetric with test strips 500 - 1000 - 1500 - 2000 mg/l Merckoquant®
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First Standard® 甲醇/水中褪黑素溶液,1000μg/mL
Melatonine Solution in Methanol/Water, 1000μg/mLFirst Standard®天津
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First Standard® 水中杀虫双溶液,1000μg/mL
Thiosultap disodium Solution in Water, 1000μg/mLFirst Standard®天津
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First Standard® 水中新红溶液, 1000μg/mL
-
First Standard® 水中甜蜜素溶液,1000μg/mL
Sodium cyclamate Solution in Water, 1000μg/mLFirst Standard®天津
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First Standard® 水中诱惑红溶液,1000μg/mL
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飞诺美FilterSys流动相过滤系统1000mL Funnel w/ 4L Flask, 47mm Base
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