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N-(2-Carboxyphenyl)glycine, 97% 1GR
1,5-Dimethyl-1H-pyrazole-3-carbonyl chloride, 97%
三氟甲磺酸甲酯, ≥98.0%
5-[4-(二乙基氨基)苯亚甲基]绕丹宁, ≥98.0%
1,2-辛二醇, 98%
5,10,15,20-Tetraphenyl-21H,23H-porphine vanadium(IV)oxide 500MG
2,3,4,5,6-五氟苯甲酰氯, 99%
十甲基四硅氧烷, ≥97.0%
COD Cell Test (Hg-free) Method: photometric 10 - 150 mg/l Spectroquant
亚硫酸盐测试条