适用于疾控系统国家食品污染物和有害因素风险监测工作手册动物组织及鸡蛋中五氯酚钠测定的标准操作程序 气相色谱质谱法、食品用纸制品、竹木砧板及筷子中五氯酚测定的标准操作程序
- 产品介绍
- 使用说明书
- 产品文献
- 产品应用
- 商品评价
-
适用于疾控系统国家食品污染物和有害因素风险监测工作手册动物组织及鸡蛋中五氯酚钠测定的标准操作程序 气相色谱质谱法、食品用纸制品、竹木砧板及筷子中五氯酚测定的标准操作程序
ProElut SLC 500mg/6mL（氧化铝+SCX ）
-
-
标题 SPE柱 色谱柱 时间
分类目录归档：迪马科技
离子色谱前处理小柱
- 产品介绍
- 使用说明书
- 产品文献
- 产品应用
- 商品评价
-
CAT NO: 65566Description: ProElut IC-RP 1cc 50/pk填料：ProElut IC-RP 填料是具有大孔结构的聚二乙烯基苯聚合物反相填料。对疏水性化合物尤其是不饱和化合物和芳香化合物具有高的选择性，并可与高效液相色谱的有机溶剂相匹配，可在整个pH 范围即0-14 范围保持稳定。应用：ProElut IC-RP 柱主要用于从样品基体中去除芳香染料、碳氢化合物、表面活性剂及一些有机羧酸，也可用于某些微量组分的富集。适用标准：适用于GB 5009.33-2010 食品安全国家标准 食品中亚硝酸盐与硝酸盐的测定 第一法 离子色谱法
CAT NO: 65921Description: ProElut IC-H 1cc 50/pk填料：ProElut IC-H 填料为聚苯乙烯基强酸树脂，该树脂对于多价阳离子如钙离子和过渡金属离子具有很好的选择性，可在pH 0-14 范围保持稳定。应用：ProElut IC-H 主要用于去除样品基体中的碱土金属离子、过渡金属离子和碳酸根离子，也可用来中和样品溶液的强碱性。 -
-
标题 SPE柱 色谱柱 时间
食品添加剂检测专用小柱
ProElut FA—食品中添加剂检测专用小柱
ProElut AOD—油中抗氧化剂检测专用小柱
- 产品介绍
- 使用说明书
- 产品文献
- 产品应用
- 商品评价
-
ProElut FA—食品中添加剂检测专用小柱产品描述：ProElut FA 300mg / 6ml 30/pkg货号：65364用于食品中添加剂的检测。
ProElut AOD—油中抗氧化剂检测专用小柱
产品描述：ProElut AOD 12mL 20/pkg货号：65927
用于油中抗氧化剂的检测。
-
-
标题 SPE柱 色谱柱 时间
草甘膦检测专用小柱
兽药残留检测SPE专用柱
ProElut DPC—乳品中农、兽药检测
ProElut DPC-2—食品中兽药检测专用柱
- 柱体积： 12mL
| 商品描述 | 货号 | 库存 | |||||
| ProElut DPC-2 12 mL 20/pkg | 65940 | 订货 | 2467.50 | ||||
| ProElut DPC 3g / 12mL 20/pkg | 65353 | 13 | 2614.50 |
- 产品介绍
- 使用说明书
- 产品文献
- 产品应用
- 商品评价
-
ProElut DPC—乳品中农、兽药检测专用小柱
商品描述：ProElut DPC 3g / 12mL 20/pkg
货号：65353
用于奶粉中氯霉素检测。————————————————————————————————————————————————————————————————-
ProElut DPC-2–食品中兽药检测专用柱
产品描述：ProElut DPC-2 12mL 20/pkg
货号：65940 -
-
标题 SPE柱 色谱柱 时间 2014-07-08 2013-09-02 2012-05-11 2012-04-06
食品中多环芳烃
2022国抽新增食品安全项目：蔬菜水果中霜霉威的测定
蔬菜水果中霜霉威的测定
霜霉威是一种具有局部内吸作用的低毒杀菌剂，属氨基甲酸酯类农药。其杀菌机制主要是抑制病菌细胞膜成分的磷脂和脂肪酸的生物合成，进而抑制菌丝生长、孢子囊的形成和萌发，广泛用于茄子、马铃薯、葡萄、草莓等蔬菜水果中绵疫病、霜霉病、猝倒病、晚疫病、黑胫病等病害防治。但霜霉威农药的过量喷洒可能会造成食品安全隐患，对人体健康造成危害。
2022年《国家食品安全监督抽检实施细则》(简称国抽)与2021年相比，水果类项下葡萄的霜霉威和霜霉威盐酸盐检验项目中新增《NY/T 1379-2007 蔬菜中334种农药多残留的测定 气相色谱质谱法和液相色谱质谱法》。
迪马科技参考《NY/T 1379-2007 蔬菜中334种农药多残留的测定 气相色谱质谱法和液相色谱质谱法》，建立了SPE-GC-MS法测定蔬菜水果中霜霉威，利用乙腈提取，ProElut Carb/NH2复合柱净化；检出限与标准方法一致，为7.0μg/kg，回收率符合标准要求。本方案具有提取方法简单、回收率高、净化效果优异、方法稳定性好等优点，可供大家参考。
.jpg)
1、适用范围
本方案适用于茄子、葡萄中霜霉威的检测，检出限为7.0μg/kg。
2、标准品配制
(1) 霜霉威标准储备液1000μg/mL：准确称取10mg标准品于10mL容量瓶中，用丙酮溶解并稀释至刻度，配制成1000μg/mL的霜霉威标准储备液；
(2) 霜霉威标准工作液5.0μg/mL、1.0μg/mL：准确移取霜霉威标准储备液，用丙酮稀释为浓度5.0μg/mL、1.0μg/mL的霜霉威标准工作液。
3、提取
(1) 取15g样品于50mL塑料离心管中，准确加入30mL乙腈，涡旋振荡5min，加入萃取盐包(Cat.#: 64521s)，振荡1min，6000 rpm离心2min，准确收集10mL上清液；
(2) 将上清液在45℃水浴下减压蒸至约1mL，加入10mL乙腈，再蒸至约1 mL，待净化。
4、净化
ProElut CARB/NH2 1000mg/6mL (Cat.#: 64105)
(1)活化：加入5mL乙腈-甲苯(3-1)，弃去流出液；
(2)上样：将待净化液加入柱中，收集流出液；
(3)淋洗：加入10mL乙腈-甲苯(3-1)分次淋洗，收集流出液；
(4)洗脱：加入25mL乙腈-甲苯(3-1)，合并(2)、(3)、(4)流出液；
(5)重新溶解：将洗脱液在45℃水浴下蒸至近干，用丙酮定容至2.5mL，供GC-MS分析。
5、分析条件
色谱柱：DM-5MS,30mx0.25mmx0.25μm(Cat.#: 8221)
进样口温度：280℃
升温程序：初始温度70℃，保持5min，以25℃/min升温至150℃，再以3℃/min升温至160℃，再以20℃/min升温至280℃，保持10min。
载气：氦气
流速：1.00mL/min
进样方式：不分流进样
进样量：1.0μL
离子源温度：230℃
接口温度：280℃
溶剂延迟：8min
电子轰击电离源(EI)：选择离子监测模式(SIM)，分组监测见表1
6、添加回收结果及谱图
相关产品信息：
利巴韦林
USP 色谱柱参照表
USP 提供了多种用于分析药品试剂的色谱柱填料指标说明，没有那一家公司能有如此多种类产品。我们能够提供大部分类型的成品柱，完全符合USP23-NF18 的指标描述。不同的HPLC 填料在疏水性、表面覆盖率、比表面积以及孔径和粒径等各种物化指标上差异很大，仅凭单一种类的填料不可能满足各种各样的分离要求。下表是我们在长期工作中的积累和总结，请根据它来选择最合适的色谱柱以节约您宝贵的时间。
| USP | Description | Column |
| L1 | Octadecyl silane chemically bonded to porous silica or ceramic micro-particles, 3 to 10 µm in diameter. | Endeavorsil C18 Leapsil C18 Spursil C18 Inspire C18 Bio-Bond C18 Diamonsil C18 |
| L2 | Octadecyl silane chemically bonded to silica gel of a controlled surface porosity that has been bonded to a solid spherical core, 30 to 50 µm in diameter. | EconoSep C18 |
| L3 | Porous silica particles, 5 to 10 µm in diameter. | Platisil SIlica |
| L4 | Silica gel of controlled surface porosity bonded to a solid spherical core, 30 to 50 µm in diameter. | Porasil Prep Silica |
| L5 | Alumina of controlled surface porosity bonded to a solid spherical core, 30 to 50 µm in diameter. | Inquire |
| L6 | Strong cation–exchange packing sulfonated fluorocarbon polymer coated on a solid spherical core, 30 to 50 µm in diameter. | Inquire |
| L7 | Octylsilane chemically bonded to totally porous silica particles, 5 to 10 µm in diameter. | Bio-Bond C8 Inspire C8 Diamonsil C8 |
| L8 | An essentially monomolecular layer of aminopropylsilane chemically bonded to totally porous silica gel support, 10 µm in diameter. | Platisil NH2 |
| L9 | 10–um irregular, totally porous silica gel having a chemically bonded, strongly acidic cation–exchange coating. | Inertsil CX |
| L10 | Nitrile groups chemically bonded to porous silica particles, 5 to 10 µm in diameter. | Platisil CN |
| L11 | Phenyl groups chemically bonded to porous silica particles, 5 to 10 µm in diameter. | Platisil PH Inspire DP Inspire Phenyl Inspire Phenyl-hexyl |
| L12 | A strong anion-exchange packing made by chemically bonding a quaternary amine to a solid silica spherical core, 30 to 50 µm in diameter. | Inquire |
| L13 | Trimethylsilane chemically bonded to porous silica particles, 5 to 10 µm in diameter. | Hypersil SAS |
| L14 | Silica gel 10 µm in diameter having a chemically bonded, strongly basic quaternary ammonium anion–exchange coating. | Inertsil CX |
| L15 | Hexylsilane chemically bonded to totally porous silica particles, 3 to 10 µm in diameter. | Waters Spherisorb C6 |
| L16 | Dimethylsilane chemically bonded to porous silica particles, 5 to 10 µm in diameter. | Nucleosil C2 |
| L17 | Strong cation-exchange resin consisting of sulfonated cross-linked styrene-divinylbenzene copolymer in the hydrogen form, 7 to 11um in diameter. | Shodex SUGAR SH 1011/1821 RSpak KC-811 IC Y-521 |
| L18 | Amino and cyano groups chemically bonded to porous silica particles, 5 to 10 µm in diameter. | Partisil / PartiSphere PAC |
| L19 | Strong cation–exchange resin consisting of sulfonated cross–linked styrene divinylbenzene copolymer in the calcium form, about 9 µm in diameter. | Shodex SUGAR SC1011 |
| L20 | Dihydroxypropane groups chemically bonded to porous silica particles, 5 to 10 µm in diameter. | Inspire Diol |
| L21 | A rigid, spherical styrene–divinylbenzene copolymer, 5 to 10 µm in diameter. | Shodex RSpak 613 |
| L22 | A cation–exchange resin made of porous polystyrene gel with sulfonic acid groups, about 10 µm in size. | Hamilton PRP-X200 |
| L23 | An anion-exchange resin made of porous polymethacrylate or polyacrylate gel with quaternary ammonium groups, about 10 µm in size. | IC-Pak Anion |
| L24 | A semi-rigid hydrophilic gel consisting of vinyl polymers with numerous hydroxyl groups on the matrix surface, 32 to 63um in diameter. | Inquire |
| L25 | Capacity to separate compounds with a molecular weight range from 100->5000 (as determined by polyethylene oxide), applied to neutral,anionic, and cationic water-soluble polymers. A polymethacrylate resin base, cross-linked with polyhydroxylated ether (surfacecontained some residual carboxyl functional groups) was found suitable. | Shodex OHpak SB-802.5 |
| L26 | Butyl silane chemically bonded to totally porous silica particles, 5 to 10 µm in diameter. | Bio-Bond C4 |
| L27 | Porous silica particles, 30 to 50 µm in diameter. | EconoSep Silica |
| L28 | A multifunctional support, which consists of a high purity, 100 angstrom, spherical silica substrate that has been bonded with anionic (amine) functionality in addition to a conventional reversed phase C8 funtionality. | Inquire |
| L29 | Gamma alumina, reversed–phase, low carbon percentage by weight, alumina–based polybutadiene spherical particles, 5 µm in diameter with a pore diameter of 80A. | GammaBond RP1 |
| L30 | Ethyl silane chemically bonded to totally porous silica particles 3 to 10 μm in diameter. | Maxsil RP2 60Å |
| L31 | A strong anion exchange resin – quaternary amine bonded on latex particles attached to a core of 8.5 μm macroporous particles having a pore size of 2,000 Å and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene. | Inquire |
| L32 | A chiral ligand-exchange packing – L-proline copper complex covalently bonded to irregularly shaped silica particles, 5 to 10 μm in diameter. | Nucleosil Chiral-1 |
| L33 | Packing having the capacity to separate proteins by molecular size over a range of 4,000 to 400,000 daltons. It’ s spherical, silica based, and processed to provide pH stability | TSK-GEL G3000SW |
| L34 | Strong cation exchange resin consisting of sulphonated cross-linked styrene-divinylbenzene copolymer in the lead form, about 9 μm in diameter. | Shodex SP0810/ Pb Plus |
| L35 | A zirconium-stabilised spherical silica packing with a hydrophilic (diol-type) molecular monolayer bonded phase having a pore size of 150 Å. | TSK-GEL G2000SW |
| L36 | A 3,5-dinitrobenzoyl derivative of L-phenylglycine covalently bonded to 5 μm aminopropyl silica. | Nucleosil Chiral-3 |
| L37 | Polymethacrylate gel packing having the capacity to separate proteins by molecular size over a range of 2,000 to 40,000 daltons. | Shodex OHpak SB-803HQ |
| L38 | A methacrylate-based size-exclusion packing for water-soluble samples. | Shodex ESpak DE-613 Shodex OHpak SB-802HQ |
| L39 | A hydrophilic polyhydroxymethacrylate gel of totally porous spherical resin. | Shodex OHpak SB-800 series |
| L40 | Cellulose tris-3,5-dimethylphenylcarbamate coated porous silica particles, 5 to 20 μm in diameter. | CHIRALCEL OD-H |
| L41 | Immobilized a1-acid glycoprotein on spherical silica particles, 5 μm in diameter. | Chiral-AGP |
| L42 | Octylsilane and octadecylsilane groups chemically bonded to porous silica particles, 5 μm in diameter. | TSKgel OCTYL-80TS |
| L43 | Pentafluorophenyl groups chemically bonded to silica particles, 5 to 10 μm in diameter. | Inspire PFP |
| L44 | A multifunctional support, which consists of a high purity, 60 Å, spherical silica, substrate that has been bonded with a cationic exchanger, sulfonic acid functionality in addition to a conventional reversed phase C8 functionality. | Inquire |
| L45 | Beta cyclodextrin bonded to porous silica particles, 5 to 10 μm in diameter. | Cyclobond I 2000 |
| L46 | Polystyrene/divinylbenzene substrate agglomerated with quaternary amine functionalised latex beads, 10 μm in diameter. | Inquire |
| L47 | High capacity anion-exchange microporous substrate, fully funtionalised with a trimethylamine group, 8 μm. | Inquire |
| L48 | Sulphonated, cross-linked polystyrene with an outer layer of submicron, porous, anion-exchange microbeads, 15 μm. | Inquire |
| L49 | A reverse-phase packing made by coating a thin layer of polybutadiene on to a spherical porous zirconia particles, 3 to 10 μm. | Inquire |
| L50 | Multifunctional resin with reversed-phase retention and strong anion-exchange functionalities. The resin consists of ethylvinylbenzene, 55% cross-linked with divinylbenzene copolymer, 3 to 15 μm in diameter, and surface area not less than 350 m2 per g. Substrate is coated with quaternary ammonium functionalised latex particles consisting of styrene cross-linked with divinylbenzene. | TSK IC SW |
| L51 | Amylose tris-3,5-dimethylphenylcarbamate coated, porous, spherical, silica, 5 to 10 μm. | Chiralpak AD |
| L52 | Strong cation exchange resin made of porous silica with sulphopropyl groups, 5 to 10 μm. | TSK-GEL SP-2SW |
| L53 |
Weak cation-exchange resin consisting of ethyvinylbenzene, 55% cross linked with divinylbenzene copolymer, 3 to 15 μm. Substrate is surface grafted with carboxylic acid and/or phosphoric acid functionalised monomers. Capacity not less than 500 μEq/ column. |
Inquire |
| L54 | A size exclusion medium made of covalent bonding of dextran to highly cross-linked porous agarose beads, about 13 μm. | Inquire |
| L55 | Strong cation-exchange resin made of porous silica coated with polybutadiene-maleic acid copolymer, about 5 μm. | Inquire |
| L56 | Isopropyl silane chemically bonded to totally porous silica particles, 3 to 10 μm. | Zorbax SB-C3 |
| L57 | Chiral recognition protein, ovomucoid, chemically bonded to silica particles, about 5 μm, with a pore size of 120 Å. | Ultron ES-OVM |
| L58 | Strong cation exchange resin consisting of sulphonated cross-linked styrene-divinylbenzene copolymer in the sodium form, about 7 to 11 μm. | TSK-GEL SCX(Na+) |
| L59 | Packing having the capacity to separate proteins by molecular weight over the range of 10 to 500 kDa. It is spherical (10 μm), silica based, and processed to provide hydrophilic characteristics and pH stability. | TSK-GEL G2000SW |
| L60 | Spherical, porous silica gel, 3, 5, 10 μm, the surface of which has been covalently modified with alkyl amide groups and endcapped with acetamidopropyl groups to a ligand density of about 6 umoles per m2. | Spursil C18-EP |
| L61 | A hydroxide-selective, strong anion-exchange resin consisting of a highly cross-linked core of 13 μm microporous particles having a pore size less than 10 angstrom and consisting of ethylvinylbenzene cross-linked with 55% divinylbenzene with a latex coating composed of 85nm diameter microbeads bonded with alkanol quaternary ammonium ions(6%). | Inquire |
| L62 | C30 silane bonded phase on a fully porous spherical silica, 3 to 15 μm in diameter. | YMC C30 |
ProElut BaP—苯并芘检测专用SPE柱
适用于《GB/T 22509-2008 动植物油脂 苯并(a) 芘的测定 反相高效液相色谱法》。
- 填料质量： 500mg
- 柱体积： 6mL
- 包装量： 30/pkg
| 商品描述 | 货号 | 库存 | |||||
| ProElut BAP-MIP 500mg / 6mL 30/pk | 65939 | 39 | 1354.50 | ||||
| SS Needle for Bap 针头，50/pk | 1095 | 9 | 299.00 | ||||
| SS Rack 6-Ports 支架,1/pk | 4802 | 6 | 990.00 | ||||
| ProElut BaP 22g / 60mL 10/pk | 65351 | 34 | 617.40 |
- 产品介绍
- 使用说明书
- 产品文献
- 产品应用
- 商品评价
-
适用于《GB/T 22509-2008 动植物油脂 苯并(a) 芘的测定 反相高效液相色谱法》。
订货信息
Mass Volume Qty Cat.No. 22 g 60 mL 10 65351 配套配件 SS Rack 6-Ports for BaP 支架 1 4802 SS Needle for Bap针头 50 1095 -
-
标题 SPE柱 色谱柱 时间 2015-07-23 2013-08-13 2013-01-31 2013-01-30 2013-01-30 2012-03-27