A Grade, 30-60 mesh for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 23 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Florisil is a hard, powdered gel of magnesium-silicate used in preparative and analytical chromatography. Typical chemical composition of Florisil: MgO - 15.5%, SiO2 - 84.0%, Na2SO4 - 0.5% Surface area:289 m2/g Grade information: A Grade:Standard activation grade, activated at 650 degrees C B Grade:Less active grade, activated at 260 degrees C PR Grade:Pesticide residue analysis grade, activated at 675 degrees C Florisil is a registered trademark of U.S. Silica Company
Florisil was used:
● as column packing material in column chromatography
● as an adsorbent in Gas chromatography with electron capture detector (GC/ECD), capillary column chromatography, adsorption column chromatography
● in clean-up procedures in gas chromatography-tandem mass spectrometry and GC-FID
| Molecular Weight | 100.39 |
|---|
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 L2103605 | Certificate of Analysis | Sep 09, 2025 | F196373 |
| L2103606 | Certificate of Analysis | Sep 09, 2025 | F196373 |
| L2103607 | Certificate of Analysis | Sep 09, 2025 | F196373 |
| L2103608 | Certificate of Analysis | Sep 09, 2025 | F196373 |
| B2528135 | Certificate of Analysis | Mar 04, 2025 | F196373 |
| B2527065 | Certificate of Analysis | Mar 03, 2025 | F196373 |
| B2527067 | Certificate of Analysis | Mar 03, 2025 | F196373 |
| L2327071 | Certificate of Analysis | Jan 03, 2024 | F196373 |
| L2320111 | Certificate of Analysis | Dec 27, 2023 | F196373 |
| G1919191 | Certificate of Analysis | May 09, 2023 | F196373 |
| L1824110 | Certificate of Analysis | Oct 18, 2022 | F196373 |
| B2528136 | Certificate of Analysis | Dec 10, 2021 | F196373 |
| L2320165 | Certificate of Analysis | Dec 10, 2021 | F196373 |
| Melt Point(°C) | ＞1500℃ |
|---|
| 1. Qingshan Feng, Lei Han, Qiong Wu, Xiaomao Wu. (2023) Dissipation, residue and dietary risk assessment of difenoconazole in Rosa roxburghii. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES, [PMID:37800694] [10.1080/03601234.2023.2263325] |
| 2. Zhixin Fei, Mingyue Sun, Qing Song, Chengxi Li, Yang Liu. (2023) Freezing-assisted sugaring-out liquid-liquid extraction coupled with LC-MS/MS for quantitative determination of perchlorate in honey. FOOD CHEMISTRY, [PMID:37783124] [10.1016/j.foodchem.2023.137604] |
| 3. Juan Wu, Yugang Lai, Haofeng Zhu, Xindong Yang, Xintao Ye, Anping Zhang, Jianqiang Sun. (2023) Phthalate esters and their metabolites in paired soil-crop systems from farmland in major provinces of eastern China: Pollution characteristics and implications for human exposure. SCIENCE OF THE TOTAL ENVIRONMENT, [PMID:37088394] [10.1016/j.scitotenv.2023.163645] |
| 4. Lei Han, Qiong Wu, Xiaomao Wu. (2022) Dissipation and Residues of Pyraclostrobin in Rosa roxburghii and Soil under Field Conditions. Foods, 11 (5): (669). [PMID:35267302] [10.3390/foods11050669] |
| 5. Yuanchen Chen, Chuan Yan, Zhe Sun, Yonghui Wang, Shu Tao, Guofeng Shen, Tongqin Xu, Peixue Zhou, Xiaoping Cao, Fusheng Wang, Shuqing Wang, Shoushen Hao, Hefang Yang, Hongjun Li, Quan Zhang, Weiping Liu, Meirong Zhao, Zhibin Zhang. (2021) Organochlorine Pesticide Ban Facilitated Reproductive Recovery of Chinese Striped Hamsters. ENVIRONMENTAL SCIENCE & TECHNOLOGY, [PMID:33797225] [10.1021/acs.est.1c00167] |
| 6. Junfan Niu, Jingyue Tang, Gang Tang, Zhiyuan Zhou, Rong Tang, Jiale Yang, Na Jiang, Jianqiang Li, Yongsong Cao. (2019) Enhanced Phototherapy Activity by Employing a Nanosilica-Coumarin–Acifluorfen Conjugate as the Supplementary Light Source Generator. ACS Sustainable Chemistry & Engineering, [PMID:] [10.1021/acssuschemeng.9b04010] |
| 7. Guilong Peng, Qiang He, Ying Lu, Daniel Mmereki, Zhihui Zhong, Kaiyong Jiang, Dingjun Chen. (2016) Dispersive solid phase extraction followed by low-toxicity vortex-assisted liquid–liquid microextraction for the determination of organophosphorus pesticides by high-performance liquid chromatography. Analytical Methods, 8 (12): (2684-2690). [PMID:] [10.1039/C5AY02877A] |
| 8. Guilong Peng, Qiang He, Daniel Mmereki, Ying Lu, Zhihui Zhong, Hanyang Liu, Weiliang Pan, Guangming Zhou, Junhua Chen. (2016) Dispersive solid-phase extraction followed by vortex-assisted dispersive liquid–liquid microextraction based on the solidification of a floating organic droplet for the determination of benzoylurea insecticides in soil and sewage sludge. JOURNAL OF SEPARATION SCIENCE, 39 (7): (1258-1265). [PMID:26888089] [10.1002/jssc.201501347] |
| 9. Jiao Zhe, Jiang Zhibin, Zhang Ni. (2015) Determination of Polychlorinated Biphenyls in Food Samples by Selective Pressurized Liquid Extraction Using Copper(II) Isonicotinate as Online Cleanup Adsorbent. Food Analytical Methods, 9 (1): (88-94). [PMID:] [10.1007/s12161-015-0179-6] |
| 10. Zhe Jiao, Suling Zhang, Hongwei Chen. (2014) Determination of tetracycline antibiotics in fatty food samples by selective pressurized liquid extraction coupled with high-performance liquid chromatography and tandem mass spectrometry. JOURNAL OF SEPARATION SCIENCE, 38 (1): (115-120). [PMID:25394992] [10.1002/jssc.201401032] |
| 11. Juan-ying Li, Yuxiao Tong, Qi Gong, Yaxiong Tian, Yanhao Yang, Luting Wen, Hongjie Chen, Qian Wang. (2024) Cultured shrimp Penaeus vanmamei from eastern China accumulates PAHs and PYRs through different pathways: Water and food sources matter. AQUACULTURE, [PMID:] [10.1016/j.aquaculture.2024.742060] |
| 12. Lan Wang, Mingxi Li, Yan Wang, Luyao Xu, Xicheng He, Haixiang Li, Xiaoxia Li. (2024) Harnessing two-dimensional magnetic Poly(deep eutectic solvents) for matrix solid-phase dispersion extraction of polyphenols from roselle: Promoting antiphotoaging strategy. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2024.154019] |
| 13. Guan Wenbi, Lian Hengrui, Cai Yunjin, Yao Su, Wang Hongwu. (2025) Multiresidue Pesticide Analysis in Cereal Grains Using Nanosized γ-Aluminum Oxide as Effective Purification Material. JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY, [PMID:] [10.21577/0103-5053.20250026] |
| 14. Zhixin Fei, Hang Zhang, Qing Song, Mingyue Sun, Chengxi Li, Min Liu. (2024) Rapid analysis and risk assessment of perchlorate in wild edible mushrooms from Yunnan, China. JOURNAL OF FOOD COMPOSITION AND ANALYSIS, [PMID:] [10.1016/j.jfca.2024.105979] |
| 15. Tong Chen, Yunxiao Zhao, Hanyang Sun, Xinyu Niu, Pei Li, Yan Xia, Xiaoqing Lin, Xiaodong Li, Ying Wang, Jianhua Yan, Chen Sun. (2025) Rapid electrothermal upcycling hexachlorobutadiene (HCBD) polluted distillation residue into turbostratic graphene for enhanced electromagnetic wave absorption. JOURNAL OF HAZARDOUS MATERIALS, [PMID:39798306] [10.1016/j.jhazmat.2025.137160] |
| 16. Wenqiang Li, Aimin Liu, Yanying Jiang, Chengdan He, Fengguo Liu, Yongjun Wang, Xianwei Hu, Jin Wang, Zhongning Shi. (2025) Silicon Production by Electrolysis in NaF-LiF-Mg2Si3O8 Molten Salt. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 172 (3): (032506). [PMID:] [10.1149/1945-7111/adbcde] |
| 17. HongXia Chen, Hao Zhou, Zhiwen Qi, Xingying Xue, ChengZhang Wang. (2024) Vortex-blending matrix solid-phase dispersion and UPLC-Q-TOF/MS were proposed to extract and examine the urushiols from Toxicodendron vernicifluum bark. JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS, [PMID:38417325] [10.1016/j.jpba.2024.116066] |
| 18. Lin Yang, Guoqing Zou, Fengfeng Xiu, Dandan Zhao, Jianliang Fei, Jun Xie. (2025) Improved Detection Limits for Polycyclic Aromatic Hydrocarbons (PAHs) in Soil and Sediments by Gas Chromatography-Mass Spectrometry (GC-MS) and Pseudo-Multiple Reaction Monitoring (PMRM). ANALYTICAL LETTERS, [PMID:] [10.1080/00032719.2025.2532162] |
| 19. Min Fu, Qin Geng, Jun Chen, Xiaohong He, Xuemei He, Ti Li, Chengmei Liu, Taotao Dai. (2023) Pea protein-quercetin glycoside complexes: Interaction, foaming and emulsifying properties. JOURNAL OF MOLECULAR LIQUIDS, [PMID:] [10.1016/j.molliq.2023.122487] |
| 20. Peng Guilong, He Qiang, Lu Ying, Mmereki Daniel, Zhong Zhihui. (2016) Determination of organophosphorus pesticides and their major degradation product residues in food samples by HPLC-UV. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 23 (19): (19409-19416). [PMID:27378220] [10.1007/s11356-016-7071-9] |
| 21. Wei Gong, Kaiyu Jiang, Ting-qi Yang, Yuxuan Liang, Juncai Tu, Jinjin Li, Fu Liu, Shiyi Ou, Beiwei Zhu. (2025) Lipid-Derived Electrophiles Modify Proteins and Alter Their Interfacial Behavior: The Distinct Mediating Role of the Interface. ACS Nano, [PMID:40238507] [10.1021/acsnano.4c17439] |
| 22. Lijuan Luo, Ping Li, Yuanyuan Deng, Guang Liu, Yan Zhang, Xiaojun Tang, Pengfei Zhou, Zhihao Zhao, Mingwei Zhang. (2025) Ultrastable high internal phase Pickering emulsions stabilized by deamidated pea protein: Formation mechanisms and applications in 3D printing. FOOD CHEMISTRY, [PMID:40318339] [10.1016/j.foodchem.2025.144541] |
| 23. Fan Zhang, Yingxin Wu, Quanyun Ye, Jinxi Wang, Qiong Wu, Lingli Zhou, Wencheng Wu, Shuting Xie. (2025) Mechanism of zerovalent iron-mediated homolog- and site-selective dechlorination of short-chain chlorinated paraffins. ENVIRONMENTAL RESEARCH, [PMID:40490205] [10.1016/j.envres.2025.122101] |
