{"title":"Ultisil XB Normal Phase","description":"\u003cspan data-mce-fragment=\"1\"\u003eBare silica, Diol, and NH\u003c\/span\u003e\u003csub data-mce-fragment=\"1\"\u003e2\u003c\/sub\u003e\u003cspan data-mce-fragment=\"1\"\u003e (Amine) are used for normal phase separations; with Diol and NH\u003c\/span\u003e\u003csub data-mce-fragment=\"1\"\u003e2\u003c\/sub\u003e\u003cspan data-mce-fragment=\"1\"\u003e often able to deliver more stable results. Diol and NH\u003c\/span\u003e\u003csub data-mce-fragment=\"1\"\u003e2\u003c\/sub\u003e\u003cspan data-mce-fragment=\"1\"\u003e have the added benefit of reduced sensitivity to the presence of water. Diol and NH\u003c\/span\u003e\u003csub data-mce-fragment=\"1\"\u003e2\u003c\/sub\u003e\u003cspan data-mce-fragment=\"1\"\u003e can also be used in reversed-phase.\u003c\/span\u003e","products":[{"product_id":"ultisil-xb-nh2-5mm-10x100mm-120a","title":"Ultisil XB-NH2, 5µm, 10×100mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344883171645,"sku":"H02630-21100","price":1330.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-10_addc6e23-e7f8-4768-936d-b46cdff683ff.webp?v=1758872918"},{"product_id":"ultisil-xb-nh2-5mm-10x150mm-120a","title":"Ultisil XB-NH2, 5µm, 10×150mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344883204413,"sku":"H02630-21101","price":1470.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-10_a6c005ad-e3be-437d-9683-4c2d96881caa.webp?v=1758872921"},{"product_id":"ultisil-xb-nh2-5mm-10x250mm-120a","title":"Ultisil XB-NH2, 5µm, 10×250mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344883237181,"sku":"H02630-21102","price":1780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-10_d0fd12ca-965e-4150-ab12-fbf725d3ef80.webp?v=1758872924"},{"product_id":"ultisil-xb-nh2-5mm-10x300mm-120a","title":"Ultisil XB-NH2, 5µm, 10×300mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344883269949,"sku":"H02630-21103","price":1950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-10_480fa465-5ad0-4efc-a829-bcdd71cb26ee.webp?v=1758872926"},{"product_id":"ultisil-xb-nh2-5mm-21-2x50mm-120a","title":"Ultisil XB-NH2, 5µm, 21.2×50mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344883302717,"sku":"H02630-21104","price":1990.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-21.2_8b784cef-488f-411b-8a9a-e9bd2f0cf2c8.webp?v=1758872929"},{"product_id":"ultisil-xb-nh2-5mm-21-2x150mm-120a","title":"Ultisil XB-NH2, 5µm, 21.2×150mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344883335485,"sku":"H02630-21105","price":2870.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-21.2_6c8c9c0c-0c4b-4f58-93c7-9b71b858b287.webp?v=1758872932"},{"product_id":"ultisil-xb-nh2-5mm-21-2x250mm-120a","title":"Ultisil XB-NH2, 5µm, 21.2×250mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344883794237,"sku":"H02630-21106","price":4130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-21.2_1ce45934-2197-4473-a26d-8e321424135a.webp?v=1758872935"},{"product_id":"ultisil-xb-nh2-5mm-30x150mm-120a","title":"Ultisil XB-NH2, 5µm, 30×150mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344883925309,"sku":"H02630-21107","price":6070.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-30_75d977de-4129-46b5-89a9-1a3d08d92cb9.webp?v=1758872937"},{"product_id":"ultisil-xb-nh2-5mm-30x250mm-120a","title":"Ultisil XB-NH2, 5µm, 30×250mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344883958077,"sku":"H02630-21108","price":9490.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-30_f6cd8f58-f0b1-4d21-871e-4e46b2a47e74.webp?v=1758872940"},{"product_id":"ultisil-xb-nh2-5mm-50x150mm-120a","title":"Ultisil XB-NH2, 5µm, 50×150mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344883990845,"sku":"H02630-21209","price":12750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-50_47e5aec7-4e33-4768-9c5c-0c419ba0fb21.webp?v=1758872943"},{"product_id":"ultisil-xb-nh2-5mm-50x250mm-120a","title":"Ultisil XB-NH2, 5µm, 50×250mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344884023613,"sku":"H02630-21210","price":19920.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-50_b897d743-31dd-4476-91b5-67fad899c2f4.webp?v=1758872945"},{"product_id":"ultisil-xb-nh2-10mm-10x100mm-120a","title":"Ultisil XB-NH2, 10µm, 10×100mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344884056381,"sku":"H02630-31100","price":1070.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-10_445d3560-f2f4-45ef-9562-2e8a92569789.webp?v=1758872948"},{"product_id":"ultisil-xb-nh2-10mm-10x150mm-120a","title":"Ultisil XB-NH2, 10µm, 10×150mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344884089149,"sku":"H02630-31101","price":1180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-10_7e7aad5b-7a57-496e-9d7f-6b7b03d83cb6.webp?v=1758872951"},{"product_id":"ultisil-xb-nh2-10mm-10x250mm-120a","title":"Ultisil XB-NH2, 10µm, 10×250mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344884121917,"sku":"H02630-31102","price":1420.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-10_3b5fc945-85a5-4926-9cee-7ffaa33dd498.webp?v=1758872954"},{"product_id":"ultisil-xb-nh2-10mm-10x300mm-120a","title":"Ultisil XB-NH2, 10µm, 10×300mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. However, it is not recommended for analyzing compounds containing aldehyde or carbonyl groups, as well as reducing sugars.\u003c\/p\u003e\u003cp\u003eUnder normal-phase elution conditions, it is suitable for analyzing polar compounds, tocopherols, and certain organic compounds soluble in alkanes, alkenes, and aromatic hydrocarbons.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuantity: 1 pcs\/pk\u003c\/strong\u003e\u003c\/p\u003e","brand":"Welch Materials, Inc.","offers":[{"title":"Default Title","offer_id":47344884154685,"sku":"H02630-31103","price":1560.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/4351\/4685\/files\/Prep-10_d672f022-ac98-4bd6-a2c1-194a292096fb.webp?v=1758872956"},{"product_id":"ultisil-xb-nh2-10mm-21-2x50mm-120a","title":"Ultisil XB-NH2, 10µm, 21.2×50mm, 120Å (1pcs\/pk)","description":"\u003cp\u003eWelch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless modular column tube ensure the stability of column bed. The theoretical plate number for 10 μm column is greater than 35000\/m; for 5 μm column, it is greater than 75000\/m, and the peak symmetry is around 0.95~1.20.\u003c\/p\u003e\u003cp\u003eUltisil XB-NH2 column is typically used for the separation of various monosaccharides under reversed-phase conditions. 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