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美国凯能Cannon CCS标油Table 6 CCS Viscosity Standard Dynamic Viscosity in mPa.s(Centipoise) Catalog Number Viscosity Standard   -5℃   -10℃   -15℃   -20℃   -25℃   -30℃   -35℃ 9727-N02 CL080 800 9727-N04 CL090 1200 9727-N06 CL100(CL10) 900 1700 9727-N07 CL110 1400 2500 9727-N08 CL120(CL12) 800 1600 3200 9727-N09 CL130 1500 2700 4800 9727-N10 CL140(CL14) 800 1600 3300 7000 9727-N11 CL150 1200 2500 4500 8000 9727-N12 CL160(CL16) 1200 2500 5500 11000 9727-N13 CL170 1100 1800 3500 6200 11000 9727-N14 CL190(CL19) 900 1800 3500 7400 17200 9727-N16 CL200 1200 2400 4300 7400 13000 9727-N18 CL220(CL22) 1300 2500 5000 11000 25000 9727-N20 CL240 1700 3400 6000 10000 20000 9727-N22 CL250(CL25) 900 1800 3500 7300 15900 33000 9727-N24 CL260 1200 2500 4400 7200 14000 9727-N26 CL280(CL28) 1300 2500 5000 9300 21000 50000 9727-N28 CL300 1700 3500 6000 11000 18000 9727-N30 CL320(CL32) 1800 3500 7300 15900 32000 9727-N31 CL340 2500 4200 7000 12000 9727-N32 CL380(CL38) 1600 2900 5800 13000 26000 9727-N33 CL420 5000 8500 15000 9727-N35 CL480(CL48) 2300 4500 9500 21000 9727-N35 CL530 5900 10000 18000 9727-N36 CL600(CL60) 3700 7300 15600 9727-N37 CL680 9500 9727-N38 CL740(CL74) 6000 12000 9727-N43 Set of 14 Set of CCS-2050/2100 low Temp Standards (includes CL10,CL12,CL14,CL16,CL19,CL22,CL25(2) CL28,CL32,CL38,CL48,CL60,&CL74) 9727-N42 Set of 8 Set of CCS Low Temp Standards (includes CL14,CL19,CL22,CL25,CL28,CL32,CL48,&CL74

一、无菌试验和测定菌数用培养基 (规格:250g/瓶)编号品名用途A1需气菌、厌气菌培养基(硫乙醇酸盐流体培养基)需气菌、厌气菌试验A2硫乙醇酸盐培养基(不含琼脂)浑浊制品需气菌无菌试验A30.5%葡萄糖肉汤培养基需气菌无菌试验A4胰酪胨大豆肉汤培养基需气菌和真菌无菌试验A5真菌培养基真菌无菌试验A6真菌琼脂培养基真菌无菌试验A7改良马丁培养基生物制品真菌无菌试验A8改良马丁琼脂培养基生物制品真菌无菌试验A9支原体半流体基础培养基(100g)生物制品支原体检查A10营养琼脂培养基细菌总数测定及一般细菌培养A11血琼脂基础培养基血琼脂斜面和平板配制A12玫瑰红钠琼脂培养基(虎红琼脂培养基)真菌总数测定A13酵母浸出粉葡萄糖琼脂培养基(YPD琼脂培养基)酵母菌总数测定二、增菌、运送用培养基 (规格:250g/瓶)编号品名用途B1营养肉汤培养基一般细菌培养B2胆盐乳糖培养基(BL)(胆盐乳糖增菌培养基)大肠杆菌增菌B3亚硒酸盐增菌培养基沙门氏菌增菌B4亚硒酸盐半胱酸增菌培养基食品中沙门氏菌增菌B5四硫磺酸钠亮绿基础培养基沙门氏菌增菌B6GN肉汤培养基志贺氏菌增菌B7碱性蛋白胨水培养基霍乱弧菌增菌B87.5%氯化钠肉汤培养基金黄色葡萄球菌增菌B9缓冲蛋白胨水培养基沙门氏菌增菌B10血液增菌培养基血液中细菌增菌B11SCDLP液体基础培养基化妆品中细菌增菌B12卵磷脂吐温80醇液(100ml)SCDLP培养基添加剂B13LB肉汤培养基大肠杆菌霍乱弧菌培养提取质粒B14Cary-Blair运送培养基(100g/瓶)运送和保存一般细菌标本B16液体沙氏培养基真菌、酵母菌增菌B170.1%蛋白胨水溶液供试品稀释液B18PH7.0氯化纳-蛋白胨缓冲液供试品稀释液三、分离培养用培养基(规格:250g/瓶)编号品名用途C1沙门、志贺菌属琼脂培养基(SS)(SS琼脂培养基)沙门氏和志贺氏菌属分离C3胆盐硫乳琼脂培养基(DHL)大肠、沙门氏和志贺氏菌属分离C4HE琼脂培养基志贺氏菌分离鉴别C5中国蓝琼脂培养基肠道菌分离鉴别C6曙红亚甲蓝琼脂培养基(EMB)(伊红美蓝琼脂培养基)大肠杆菌、产气杆菌分离鉴别C7麦康凯琼脂培养基(MacC)肠道致病菌分离C8无盐麦康凯琼脂培养基尿液中变形和大肠杆菌分离C11庆大霉素琼脂培养基EL-tor弧菌分离C13溴化十六烷基三甲铵琼脂培养基(十六烷三甲基溴化铵琼脂培养基)绿脓假单胞菌增菌C14NAC液体培养基绿脓假单胞分离C15NAC琼脂培养基金黄色葡萄球菌分离C16甘露醇氯化钠琼脂培养基(甘露醇高盐琼脂培养基)绿脓杆菌分离鉴别C17乙酰铵琼脂培养基绿脓杆菌分离鉴别C18贝怕克(Baird-Perkar)琼脂基础培养基金黄色葡萄球菌分离C19淋球菌基础培养基(100g/瓶)淋球菌培养C20淋球菌琼脂基础培养基(100g/瓶)淋球菌分离培养C21精氨酸支原体肉汤基础培养基(100g/瓶)精氨酸支原体培养C22肺炎支原体肉汤基础培养基(100g/瓶)肺炎支原体培养C23支原体琼脂培养基(100g/瓶)支原体分离C24解脲支原体肉汤基础培养基(100g/瓶)解脲支原体分离C25沙氏琼脂培养基真菌培养C26改良沙氏琼脂培养基真菌菌种保存C27维生素沙氏琼脂培养基真菌、酵母菌分离C28抗生素沙氏琼脂培养基真菌、酵母菌分离C29察氏(Czapeks)琼脂培养基真菌、酵母菌分离C30高盐察氏琼脂培养基真菌、酵母菌分离C32胰酪胨大豆琼脂培养基细菌、真菌分离培养C34马铃薯葡萄糖(PDA)琼脂培养基食品中酵母菌、真菌分离C35煌绿琼脂培养基沙门氏菌分离培养C36XLD琼脂培养基志贺氏、沙门氏菌分离C37卵黄氯化钠琼脂培养基(卵黄高盐琼脂基础培养基)金黄色葡萄糖球菌分离C38哥伦比亚血琼脂基础培养基革兰氏阳性球菌及嗜血杆菌分离C39哥伦比亚琼脂培养基厌氧菌分离培养四、鉴别用培养基(规格250g/瓶)编号品名用途D1蛋白胨水培养基殿基质和霍乱红试验D2磷酸盐葡萄糖胨水培养基VP和MR试验D3硝酸盐胨水培养基绿脓假单胞菌鉴别D4乳糖胆盐发酵培养基大肠杆菌发酵乳糖试验D55%乳糖发酵培养基大肠杆菌迟发酵乳糖试验D60.5%乳糖发酵培养基肠道菌生化试验(复发酵)D7甘露醇发酵培养基金黄色葡萄糖球菌生化试验D8麦康凯肉汤培养基革兰氏阴性乳糖发酵菌检查D9绿脓菌素(Pyocyanin)测定用培养基(PDP琼脂培养基)绿脓菌素测定D10明胶培养基明胶液化试验D11柠檬酸盐培养基柠檬酸盐利用试验D12葡萄糖铵琼脂培养基细菌利用铵盐试验D13脲(尿素)琼脂培养基(100g/瓶)尿素分解试验D14半固体培养基动力试验和菌种保存D15克氏双糖铁琼脂培养基肠杆菌糖发酵及硫化氢反应D16三糖铁琼脂培养基(TST)肠杆菌糖发酵及硫化氢反应D17赖氨酸脱羧酶试验培养基(脱羧酶试验对照培养基)(各50g/套)细菌脱羧酶试验D18精氨酸脱羧酶试验培养基(脱羧酶试验对照培养基)(各50g/套)细菌脱羧酶试验D20月桂酸盐肉汤培养基出口食品大肠杆菌测定D21OF试验培养基(100g/瓶)细菌糖代谢类型的鉴别D22氰化钾基础培养基(100g/瓶)沙门氏菌分离D23DNA(脱氧核糖核酸)酶培养基(100g/瓶)金黄色葡萄糖球菌确认试验D24乳糖肉汤培养基肠道菌生化试验D254-甲基伞形酮葡糖苷酸(MUG)培养基(34g/瓶)(按药典处方,国产MUG试剂)大肠杆菌检测D26MUG快速检定大肠杆菌试剂大肠杆菌检测D27乳糖发酵培养基肠道菌生化试验五、抗生素检定用培养基(规格250g/瓶)编号品名用途E1MH肉汤培养基抗生素敏感试验E2MH琼脂培养基抗生素敏感试验E3抗生素检定培养基I( pH6.5-6.6)磺苄青霉素效价测定E4抗生素检定培养基I(pH7.9+0.1)链霉素等效价测定E5抗生素检定培养基II(pH6.5-6.6)四环素等效价测定E6抗生素检定培养基II(pH7.9+0.1)林可霉素等效价测定E7抗生素检定培养基III藤黄微球菌悬液制备E8抗生素检定培养基IV两性霉素效价测定E9抗生素检定培养基V培养两性霉素检定菌种E10抗生素检定培养基VI粘菌素效价测定E11抗生素检定培养基VII头胞塞圬纳效价测定E12抗生素检定培养基VIII万古霉素效价测定E13抗生素检定IX白色念株菌悬液抗生素效价测定E14多黏菌素B用培养基多黏菌素B效价测定E15制霉素检定培养基制霉素效价测定E16麦迪、麦白霉素检定培养基(普通琼脂斜面培养基)麦迪(白)霉素效价测定E17阿奇霉素检定培养基阿奇霉素效价测定六、其它类培养基(规格:250g/瓶)编号品名用途F1生芽孢琼脂斜面培养基快速生芽孢七、培养基主要原材料(规格;250g瓶)编号品名用途1细菌学蛋白胨细菌培养基2胰酪蛋白胨细菌培养基3细菌学琼脂粉细菌培养基4细菌学酵母浸粉细菌培养基5细菌学用牛肉膏粉细菌培养基6牛胆盐细菌培养基

PremiSolv ICP稀释剂在ICP/DCP分析油或其它有机液中的金属元素时,用作稀释液或校准系列的零点,没有刺鼻气味,是煤油和二甲苯的理想替代品。P/N 产品名称150-700-002 PremiSolv – 5加仑150-700-003 PremiSolv – 1加仑150-700-000 PremiSolv– 400ml PremiSolv ICP solvent特点:·         超低金属含量--带有CoA,同时报告包括硫在内的34种不同的元素含量。 ·         超低毒性--同煤油和二甲苯相比,极低毒性,相当于无毒。·         超低气味--无硫,芬芳气味,增强工作者的舒适性。·         高安全性--非危险品,利于运输和回收处理。

SPME专用采样台用于 4ml瓶(白色底板1块、不锈钢手柄支架、八孔样品瓶支架、 )57333-u SPME专用采样台用于15ml瓶(白色底板1块、不锈钢手柄支架、八孔样品瓶支架、 ) 57357-U PC420专用加热磁力搅拌装置 PC420D 微型磁搅拌子 (10mm*3mm) Z118877 4ml 样品瓶 含开口盖 PTFE/硅胶隔垫 27136 15ml 样品瓶 含开口盖 PTFE/硅胶隔垫 27159

VWR? Disposable Aluminum Weighing Dishes Contaminant-Free, Oil-FreeIdeal for weighing, sampling, dispensing, storage, food processing, evaporating or general laboratory use. Pans feature a flanged edge with curled lip and are contaminate- and oil-free. Made of light gauge aluminum. Stackable. 美国产的铝制称量盘,是理想的实验室常规配方称量、调剂以及储存的工具。底部是平底有韧性的,便于叠加和轻微的锥度。一般作为一次性使用。 大概容量mL                      尺寸I.D. x D, cm              重量g             VWR货号           包装8 (0.27)              2.8 x 1 (11/8 x 3/8)            0.3              12577-081          500个/箱20 (0.68)           4.3 x 1.3 (111/16 x 1/2)         1              25433-052         10盒100个/盒60 (2)                5.7 x 1.6 (21/4 x 5/8)            1.2             25433-010         10盒/箱100个/盒60 (2)                  5.7 x 1.6 (21/4 x 5/8)         1.2              25433-008          10盒/箱144个/盒60 (2)                  5.7 x 1.6 (21/4 x 5/8)           1               16005-126             56盒/箱144个/盒80 (2.7)              7 x 1.6 (23/4 x 5/8)                2                25433-085          10盒/箱100个/盒货号:I.D. x D Capacity VWR Catalog Number Unit6.3 x 1.9 cm (21/2 x 3/4") 70 mL (2.4 oz.) 25433-014 Case of 1200Pack of 1004.4 x 1.3 cm (13/4 x 1/2") 20 mL (0.7 oz.) 25433-016 Case of 1000Pack of 10018.0 x 2.5 cm (71/16 x 1") 500 mL (16.9 oz.) 25433-018 Pack of 506.5 x 3.0 cm (29/16 x 13/16") 75 mL (2.5 oz.) 25433-020 Case of 1000Pack of 10011.0 x 2.9 cm (45/16 x 11/8") 200 mL (6.8 oz.) 25433-022 Pack of 50

  KIMTECH PURE® M5 Face Masks, Kimberly-Clark Professional®   These nonsterile pleat-style masks filter particles and bacteria. Masks feature a three-layer design with polyester/cellulose inner/outer facing. Double-bagged. Color: blue.   Recommended for ISO Class 5 or higher cleanroom environments.   Description Supplier No. VWR Catalog Number Unit   With Earloops 62692 10815-674 Case of 500   With Soft Ties 62742 10869-020 Case of 300   Pack of 50   VWR® Maximum Protection Cleanroom Face Masks   Superior Protection Against Bacteria and Particulates   Highly Breathable and Fluid-Resistant   Low Particle Shedding   Soft and Hypoallergenic   Malleable Noseband Ensures Custom, Secure Seal   Cleanroom masks feature three-ply construction for superior particle and bacterial filtration efficiency. Available with spandex ear loops or polypropylene ties that are ultrasonically welded to maintain softness and protect against particulates. An encased, 12cm (43/4") malleable steel noseband creates a secure facial seal and improves wearer comfort. Latex-free.   Ordering Information: Packaged 50 masks per heat-sealed, cleanroom-compatible bag, 10 bags per case.   Masks are rigorously tested and manufactured in an ISO Certified facility under stringent process controls to ensure that each product meets exacting quality standards. Products are validated through independent lab testing.   成分   Bacterial Filtration Efficiency 99.3–99.7%   Dimensions 17.5L x 9.5H cm (67/8 x 33/4")   Particle Filtration Efficiency 99.0–99.27%   货号   Description Color VWR Catalog Number Unit   Mask with Ear Loops Blue 414004-667 Case of 500   Mask with Ties White 414004-669 Case of 500

Wittig反应是醛酮与含磷的试剂——烃代亚甲基三苯基膦反应,生成相应的烯类化合物。该反应收率高、反应条件温和,是近年来在有机合成方法上发展较快地反应之一。G. Wittig正是由于此反应及相关的研究荣获了1979年的诺贝尔化学奖。 CAS 产品名称 包装 1779-49-3 甲基三苯基溴化膦 25 g Methyltriphenylphosphonium bromide, 98% 100 g 1560-54-9 烯丙基三苯基溴化膦 25 g Allyltriphenylphosphonium bromide, 99% 100 g 1779-51-7 正丁基三苯基溴化膦 10 g n-Butyltriphenylphosphonium bromide, 99% 25 g 6048-29-9 苯甲酰甲基三苯基溴化膦 25 g Phenacyltriphenylphosphonium Bromide, 97% 13423-48-8 庚基三苯基溴化膦 25 g Heptyltriphenylphosphonium Bromide, 98% 1449-46-3 苄基三苯基溴化膦 25 g Benzyltriphenylphosphonium Bromide, 97% 14114-05-7 环丙基三苯基溴化膦 5 g Cyclopropyltriphenylphosphonium Bromide, 97% 3607-17-8 3-溴丙基三苯基溴化膦 25 g 3-Bromopropyltriphenylphosphonium Bromide, 98% 1034-49-7 溴甲基三苯基溴化膦 5 g (Bromomethyl)triphenylphosphonium Bromide, 98% 25 g 2091-46-5 炔丙基三苯基溴化膦 5 g Triphenylpropargylphosphonium Bromide, 98% 25 g 82105-88-2 4-乙氧苄基三苯基溴化膦 5 g 4-Ethoxybenzyltriphenylphosphonium Bromide, 98% 25 g 4762-26-9 己三苯基溴化膦 25 g Hexyltriphenylphosphonium Bromide, 98% 1100-88-5 苄基三苯基氯化膦 25 g Benzyltriphenylphosphonium chloride, 99% 100 g 4336-70-3 (氰甲基)三苯基氯化膦 25 g (Cyanomethyl)triphenylphosphonium Chloride, 98% 5293-84-5 (氯甲基)三苯基氯化膦 5 g (Chloromethyl)triphenylphosphonium Chloride, 98% 25 g 4009-98-7 甲氧基甲基三苯基氯化膦 25 g (Methoxymethyl)triphenylphosphonium chloride, 98% 4736-60-1 乙基三苯基碘化膦 25 g Ethyltriphenylphosphonium iodide, 95% 2065-66-9 甲基三苯基碘化膦 25 g Methyltriphenylphosphonium iodide, 97% 24470-78-8 异丙基三苯基碘化膦 5 g Isopropyltriphenylphosphonium iodide,98% 25 g 1439-36-7 1-三苯基膦烯-2-丙酮 25 g 1-Triphenylphosphoranylidene-2-propanone, 99% 16640-68-9 (三苯基膦)乙腈 5 g (Triphenylphosphoranylidene)acetonitrile, 98% 2136-75-6 甲酰甲撑基三苯基膦 5 g (Triphenylphosphoranylidene)acetaldehyde, 97% 2605-67-6 (三苯基膦烯)乙酸甲酯 5 g Methyl (triphenylphosphoranylidene)acetate, 98% 25 g

  VWR® Talon® II Three-Prong Heavy-Duty Extension Clamps   Open Yoke Design   Choose Single or Dual Adjustment   Clamps hold irregular shapes easily. They feature precise pressure regulation to reduce glassware breakage. Open yoke design allows full depth of the clamp to be used, unobstructed by the yoke, springs, or adjusting screws. Narrow profile on single adjustment clamps; variable holding angle on dual adjustment clamps. Design is easy to clean and decontaminate. Distinctive nickel finish for maximum protection against corrosion.   Ordering Information: Supplied with non-slip vinyl sleeves, and fiberglass covers for temperatures above 100°C (212°F).   货号   Dual Adjustment   Size Length Clamp Extension Grip Size VWR Catalog Number Unit   Small 152 mm (6") 102 mm (4") 23 mm (11/4") 21572-804 Case of 10   Each   Large 260 mm (101/4") 127 mm (5") 103 mm (41/16") 21572-800 Case of 10   Each   Medium 222 mm (83/4") 127 mm (5") 70 mm (23/4") 21572-802 Case of 10   Each   Single Adjustment   Size Length Clamp Extension Grip Size VWR Catalog Number Unit   Small 162 mm (63/8") 102 mm (4") 23 mm (29/32") 21572-805 Case of 10   Each   Large 260 mm (101/4") 127 mm (5") 72 mm (213/16") 21572-801 Case of 10   Each   Medium 229 mm (9") 127 mm (5") 50 mm (2") 21572-803 Case of 10   Each   VWR® Talon® Three-Prong Extension Clamps   Large Grip Adjustment Range   Three-Prong Construction   Choose Single or Dual Adjustment   Stainless Steel or Nickel-Plated Zinc   Clamps securely hold every type of glassware and apparatus. Long, seamless tubing attaches clamp head securely and offers easy positioning in the deepest fume hoods. Clamps are constructed with round extension arms that allow the clamps to be rotated 360º. Extension arms allow placement of apparatus at various distances from lab frames without compromising the integrity of the experiment. Stainless steel clamps offer exceptional chemical resistance, and are electropolished, made entirely of stainless steel, and autoclavable. Nickel-plated zinc offers a clamp with a high tensile strength at an economical price. Supplied with non-slip vinyl sleeves, and fiberglass covers for temperatures above 100°C.   Ordering Information: An additional holder must be purchased in order to attach clamps to frames or other apparatus.   货号   Dual Adjustment   Description Material Length Clamp Extension Jaw Size VWR Catalog Number Unit   Small Stainless Steel 172 mm (6.77") 102 mm (4") 48 mm (1.89") 12621-240 Each   Large, Long Extension Zinc 451 mm (173/4") 305 mm (12") 105 mm (41/8") 97035-504 Each   Large Stainless Steel 273 mm (103/4") 127 mm (5") 102 mm (4") 12621-236 Each   Medium Stainless Steel 229 mm (9") 127 mm (5") 69 mm (223/32") 12621-238 Each   Medium, Long Extension Zinc 406 mm (16") 305 mm (12") 69 mm (223/32") 97035-502 Each   Medium Zinc 229 mm (9") 127 mm (5") 69 mm (223/32") 21570-302 Case of 50   Each   Small Zinc 168 mm (65/8") 102 mm (4") 46 mm (113/16") 21570-200 Case of 50   Each   Large Zinc 273 mm (103/4") 127 mm (5") 105 mm (41/8") 21570-404 Case of 50   Each   Single Adjustment   Description Material Length Clamp Extension Jaw Size VWR Catalog Number Unit   Large Zinc 248 mm (93/4") 127 mm (5") 108 mm (41/4") 21570-127 Case of 50   Each   Small Zinc 160 mm (65/16") 102 mm (4") 39 mm (117/32") 21570-125 Case of 50   Each   Medium Zinc 218 mm (89/16") 127 mm (5") 71 mm (213/16") 21570-126 Case of 50   Each   CLAMP MD. 3-PRONG DA NO YO   Dual Adjust. Overall Size: Medium; Length: 8 3/4in. (220mm). Similar to the CG-9205 series with an open yoke to allow full use of the clamp depth   货号   Description VWR Catalog Number Supplier Number Unit   CLAMP MD. 3-PRONG DA NO YO 80063-604 CG-9210-05 Each

超微量取样针 推荐气相色谱液体样品注射量小于5μL的情况 注射器标配针头7cm长针头—PerkinElmer进样口最佳选择 取样针容量 计量 包装 零件编号 0.5μL 25 1 N9302231 1.0μL 22 1 00230177 1.0μL 26? 1 00230111 2.0μL 25 1 N9302235

IKA手持式分散器套装IKA的为众多研发应用提供一系列创新型设备。在其混合、加热、蒸馏和粉碎应用方面拥有受世界认可的成熟的技术。IKA已经确立了自己在创新型磁力搅拌机、混合机、顶置式搅拌机、摇床、均质机、研磨机、旋转蒸发仪、量热仪、实验室反应釜,尤其是实验室和分析应用软件行业的全球市场领军地位。PowerGen 125 手持式分散机套装规格如下:包括:PowerGen 125 主机; S10N-5G 不锈钢分散刀头(处理量0.5-10mL);支架和夹头 处理量:0.5-100ml 特别适合组织破碎、临床诊断、悬浮离心沉淀等; 高效马达,匀质效率高 重量轻(500g),易握持,适合手动操作 分散头适用于Eppendorf试管、离心管、比色皿等 简单易用,经济实惠IKA库存产品让利大促销,售完即止货号 描述 数量T_701FBT10P PowerGen125套装  39T_2073617025 MS3旋涡混匀器 I 4T_2073479025 RHbasic1加热磁力搅拌器 5T_2072600025 欧洲之星强力控制型 6北京美同达科技有限公司代理IKA的实验仪器,配合北京美同达专业供应的各种品牌试剂和耗材,全线供应给各大中院校旗下研发质检实验室,是一家专业的油品实验室进口配件耗材打包供应专家!更多信息请咨询技术支持:TEL:010-52457811/010-52457812/010-88482632FAX:010-88482623