伯乐 Aminex HPX-87H 色谱柱(1250140);Brand 20mL容量瓶,带玻璃瓶塞 USP证书 2个一盒(36975);Brand 5mL容量瓶,带玻璃瓶塞 USP证书 2个一盒(36968);Brand 10mL容量瓶,带玻璃瓶塞 USP证书 2个一盒(36973);CHIRALPAK AS-3R分析柱 3um 4.6mm 150mm(20824);CHIRALCEL OD-3R分析柱 3um 4.6mm 150mm(14824);CHIRALCEL OD-3手性分析柱(14525);CHIRALCEL OD-H分析柱 250X4.6mm 5μm(14325);CHIRALPAK IA HPLC半制备柱10X250mm 5μm(80335);CHIRALPAK IE HPLC半制备柱 250 X 10mm 5μm(85335);CHIRALPAK IG-3/SFC分析柱 150X3.0mm, 3μm(87S84);CHIRALCEL IJ分析柱 4.6X250mm 5μm(90325);CHIRALPAK AS-3分析柱 250X4.6mm 3μm(20525);CHIRALCEL OD-H分析柱 150X4.6mm 5μm(14324);CHIRALPAK IB N-5分析柱 250X4.6mm 5μm(88325);CHIRALPAK QN-AX分析柱 150X4.6mm 5μm(32324);CHIRALCEL OC-H分析柱 250X4.6mm 5μm(13325);CHIRALPAK AD-RH分析柱 150X4.6mm 5μm(19724);CHIRALPAK IG-3分析柱 150X4.6mm 3μm(87524);CHIRALPAK IE分析柱 250X4.6mm 5μm(85325);CHIRALPAK IH分析柱 250X4.6mm 5μm(89325);CHIRALPAK ZWIX(+)分析柱 150X4mm 3μm(51514);CHIRALPAK IH-3分析柱 250X4.6mm 3μm(89525);CHIRALPAK AS-RH分析柱 150X4.6mm 5μm(20724);CHIRALPAK IF分析柱 250X4.6mm 5μm(86325);CHIRALPAK CBH分析柱100X4mm 5μm(33713);CHIRALCEL OJ分析柱 250X4.6mm 10μm(17025);CHIRALPAK MA(+)分析柱 50X4.6mm 3μm(21822);CHIRALPAK IC-3分析柱 150X4.6mm 3μm(83524);CHIRALPAK IH-3/SFC分析柱 3.0X150mm 3μm(89S84);CHIRALCEL OX-H分析柱 250X4.6mm 5μm(63325);CHIRALPAK IA-3分析柱 250X4.6mm 3μm(80525);CHIRALPAK ID分析柱 250X4.6mm 5μm(84325);CHIRALPAK IB分析柱 250X4.6mm 5μm(81325);CHIRALPAK AY-H分析柱 250X4.6mm 5μm(47325);CHIRALPAK IC-3分析柱 250X4.6mm 3μm(83525);CROWNPAK CR-I(+)分析柱 150X3mm 5μm(53784);CHIRALCEL OD-RH分析柱 50X4.6mm 5μm(14724);CHIRALPAK AGP分析柱 150X4mm 5μm(30714);CHIRALPAK IJ-3微径柱 2.1X150mm 3μm(90594);CHIRALCEL OD-H 微径柱150X2mm 5μm(14394);CHIRALPAK AD-3分析柱 250X4.6mm 3μm(19525);CHIRALPAK IB N-3分析柱 250X4.6mm 3μm(88525);CHIRALCEL OZ-H分析柱 250X4.6mm 5μm(42325);CHIRALPAK IG-3分析柱250X4.6mm 3μm(87525);CHIRALPAK AS-H分析柱 250X4.6mm 5μm(20325);CHIRALCEL OB-H分析柱 250X4.6mm 5μm(12325);CHIRALCEL OJ-H分析柱150X4.6mm 5μm(17324);CHIRALPAK AS-H分析柱 150X4.6mm 5μm(20324);CHIRALPAK IE-3分析柱 150X4.6mm 3μm(85524);CHIRALPAK AZ-H分析柱 250X4.6mm 5μm(61325);CHIRALCEL OX-3分析柱 250X4.6mm 3μm(63525);CHIRALPAK IG-U微粒径柱 100X3mm 1.6μm(87U83);CHIRALPAK ZWIX(-)分析柱 150X4mm 3μm(52514);CHIRALCEL OX-3R分析柱 150X4.6mm 3μm(63824);CHIRALPAK IG分析柱 150X4.6mm 5μm(87324);CHIRALCEL OD-RH分析柱 250×4.6mm 5μm(14725);CHIRALCEL OD-3分析柱 150X4.6mm 3μm(14524);CHIRALCEL OJ-3R分析柱 150X4.6mm 3μm(17824);CHIRALCEL OZ-3R分析柱 150X4.6mm 3μm(42824);CHIRALPAK IH-3分析柱 150X4.6mm 3μm(89524);CHIRALPAK HSA分析柱 150X4mm 5μm(34714);CHIRALPAK AGP分析柱 100X4mm 5μm(30713);CHIRALPAK AD-H分析柱 150X4.6mm 5μm(19324);CHIRALPAK AD分析柱 250X4.6mm 10μm(19025);CHIRALCEL OJ-RH分析柱 150X4.6mm 5μm(17724);CHIRALCEL OJ-H分析柱 250X4.6mm 5μm(17325);CHIRALPAK IG分析柱 250X4.6mm 5μm(87325);CHIRALPAK IA分析柱 250X4.6mm 5μm(80325);CROWNPAK CR(-)分析柱 150X4mm 5μm(28714);CHIRALCEL OJ-3分析柱 150X4.6mm 3μm(17524);CROWNPAK CR(+)分析柱 150X4mm 5μm(27714);CHIRALCEL OD分析柱 250X4.6mm 10μm(14025);CHIRALPAK IC分析柱 250X4.6mm 5μm(83325);CHIRALPAK AD-H分析柱 250X4.6mm 5μm(19325);色谱柱Vydac 218TP 5um C18 Column 250x10mm(218TP510);Vydac 218TP C18色谱柱 22×250mm 10μm(218TP1022);Prevail 5um Organic Acid色谱柱 250x4.6mm(88645);Prevail C18色谱柱 250x4.6mm 5μm(99210);Alltima C18色谱柱 150X4.6mm 5μm(88052);Apollo C18色谱柱150X4.6mm 5μm(36505);Alltima C8色谱柱 250X4.6mm 5μm(88076);Apoll C8 色谱柱 250X4.6mm 5um(36512);Alltima Phenyl色谱柱 250x4.6mm 5μm(88092);Vydac 214TP C4色谱柱 250x4.6mm 5μm(214TP54);Alltima Amino 氨基柱 250x4.6mm 5μm(88217);Alltima Silica 色谱柱 250x4.6mm 5μm(88171);Vydac 218TP C18 色谱柱 250x4.6mm 5μm(218TP54);Apollo C18 色谱柱 250X4.6mm 5μm(36511);Alltima C18 色谱柱 250mmX4.6mm 5μm(88056);Alltima C18色谱柱5um 250mm*10mm(88063);岛津调谐液 1#100 mL(208-09512);脱溶剂单元脱溶剂单元DL ASSY2(225-15718-42);Extender Tool Short-Flangeless Nut(P-399);FingerTight I – PEEK 耐压12000PSI(PK-120BLK);配有Ultracel-10膜的Microcon-10kDa离心过滤装置(MRCF0R030);配有Ultracel-30膜的Microcon-30kDa离心过滤装置(配有Ultracel-30膜的Microcon-30kDa离心过滤装置);默克 Biopak纯化柱(CDUFBI001);默克Progard T3 预处理柱(PR0G000T3);哈美顿 进样针1705 N 50μL Syr (22s/51/3)(80975);铝坩埚 Aluminum Crimp Pan, 50pcs/pack,用于DSC-60 Plus(201-52943);可换针头注射器100 µL, Model 710 LT SYR, Needles Sold Separately(80601);可换针头注射器500 µL, Model 750 LT SYR, Needles Sold Separately(80801);SH-5 Cap. Column色谱柱(R221-75701-30);SH-1701 Cap. Column色谱柱(R221-75777-30);Rtx-65TG Cap. Column色谱柱(17008);干燥剂Purge Dessicant Kit Pkg. 2(N0171159);1725 N 250μL SYR(22s/51/3)进样针(81175);HPLC乙醇(4瓶起订(1.11727.2508);Kinetex C8色谱柱 5µm 100Å 100mm*2.1mm(00D-4608-AN);Kinetex C8色谱柱 2.6µm 100Å 100mm*2.1mm(00D-4497-AN);Kinetex C18色谱柱 5µm 100Å 100mm*2.1mm(00D-4601-AN);Kinetex 1.7µm HILIC色谱柱 100Å 100mm*2.1mm(00D-4474-AN);衬管(S221-75193);色谱柱Vydac 218TP 5um C18 Column 150x2.1mm(218TP5215);层析板 (HPTLC Silica gel 60 RP-18 WF₂₅₄s)10 x 10 cm, 25 片/盒(1.13124.0001);色谱柱(00G-4252-P0-AX);分子筛(221-34121-93);色谱柱Aeris 5 µm PEPTIDE XB-C18 100 Å, LC Column 250 x 4.6 mm(00G-4632-E0);色谱柱Aeris 3.6 µm PEPTIDE XB-C18 100 Å, LC Column 150 x 4.6 mm(00F-4507-E0);保护柱芯SecurityGuard cartridges for Gemini C18 H3.2 to 8.0mm 10/Pk(AJ0-7597);保护柱套SecurityGuard Guard Cartridge Kit,(KJ0-4282);色谱柱Gemini 5 µm C18 110 Å, LC Column 250 x 4.6 mm(00G-4435-E0);保护柱芯SecurityGuard Cartridges, Gemini C18 4 x 3.0mm ID (SAMPLE), 2/Pk(AJ0-7597-S);色谱柱Vydac 218TP 10-15um C18 Column 250x22mm(HICH218TP101522);色谱柱Vydac 214TP 10-15um C4 Column 250x22mm(HICH214TP101522);色谱柱Vydac 218TP 5um C18 Column 250x4.6mm(HICH218TP54);色谱柱Vydac 218TP 5um C18 Column 150x2.1mm(HICH218TP5215);色谱柱Vydac 214TP 5um C4 Column 250x4.6mm(HICH214TP54);色谱柱Vydac 214TP 5um C4 Column 150x2.1mm(HICH214TP5215);INERTSIL ODS-3(5020-84412);乙腈,LC-MS(广东外单瓶不做)(1.00029.2500);INERTSIL ODS-3 3UM 1.0X150MM(5020-13360);Supelclean ™ PSA SPE 管(52579-U);PLUNGER SEAL,BACKUP RING UHP机械密封圈(228-52711-93);Rotor, 2 position 6 port转子(228-71780-42);SUS PIPE ID 0.1X600不锈钢连接管(228-53184-91);PROGARD TS2预处理纯化柱(PR0G0T0S2);Progard TNP1 预处理纯化柱(PR0G0TNP2CN);Q-GARD A2 超纯化柱(CP2ALLRESCN);微检滤膜0.45um,47mm,600片/盒(HAWG047S6);终端过滤器MPGP04001(MPGP04001);不锈钢 ATD 预装样品管 Tenax TA 60/80, Pkg. 10(N9307054);水循环冷却系统WhisperCool 1HP Chiller 240V 50Hz(N0772045);热重传感器Saturn A Sensor for STA6000(N5202083);自动点火 FID 收集器头组件(N6100357);砷 (As) System 2 无电极放电灯(N3050605);用于 NexION 1000/2000 的带矩阵气体端口的高灵敏度玻璃旋流雾化室(N8152389);石墨管(铂金埃尔默)(20个/盒)(N9307831);石墨管StdTHGAGraphiteTubesw/EndCappkg.20(老款B3000655)(N9307833);用于 AAnalyst 200/400/700/800 的高灵敏度雾化器完整组件(N3150188);石墨管QuartzSUPRASILCell1.5mm400μL(B0631077);石墨管StdTHGAGraphiteTubesw/EndCappkg.20(B3000655);石墨管THGAAdvancedPlatform5-pack(N9307830);中心管QuartzBallJointInjector2.0mmi.d.(WE023948);配件矩管Fixed2.0mmInjectorQuartzTorchBlue(N8152472);挡板式玻璃旋流雾室GlassCyclonicSprayChamber(N8145014);不锈钢针、射流、TurboMatrix 40 更换零件(B4000011);管TUBEINOXTENAX60/80(N9307005);07120012 Brownlee Spheri-5常规液相色谱(07120012);锌 (Zn) Lumina 空心阴极灯(N3050191);氘灯UV-LAMPCOMPLETE-ELPUVS(L6022728);配件雾化器MeinhardTypeCTR+Nebulizer(N8152373);钠空心阴极灯LuminaHollowCathode2Lamp-Na(N3050148);CarbopackB/C/Carboxen1000 ATD Tube 不锈钢热脱附管(CN000297);真空泵液Fluid-PFPEFOMBLINLVO420,1literMAS(N8145003);玻璃雾化器GlassTypeCNebulizer0.5mL/min(N8145012);铜灯CULUMINAHCL(N3050121);空心阴极灯LAMPENIPECODEE(N3050152);中心管BaffledCyclonicSprayChamberAvio(N0791352);线圈组件LOADCOIL(WE021816);B3000653石墨管StdTHGAGraphiteTubesw/endcap-PK/5(N9307832);灯丝FILAMENTASSY-RHENIUM0.008(N6470012);铁灯FELUMINAHCL(N3050126);石墨锥THGACONTACTCYLINDERS-1PAIR(B0504035);改进剂MODIFIER1%PALLAD.COMPLETE(B0190635);管PACKEDTRAPTUBE(M0413535);配件MeinhardNebulizerTypeK1(N0777707);PEICP试管50ml运费贵尺寸55×35×50很大一箱(B0193234);ICPConsumableAlumina?Injector?2.0?mm?Std.?Avio(N0791183);取样毛吸管SAMPLINGPROBEAS-60/70/71/72/800(B0129258);炬管体TUBEASSY-JAZTULIPTORCH(N0770338);AluminaInjector2.0mmIDOptima8x00(N0781014);铬空心阴极灯Chromium (Cr) Lumina Hollow Cathode Lamp(N3050119);TurboMatrix PTFE热脱附管盖(N6200119);多元素标准溶液3,125ml/瓶(N9300233);集成平台 THGA 石墨管 20 pkg(B0504033);用于 ELAN 5000/6x00/9000/DRCs 和 NexION 300/350 的0-Slot可拆卸石英炬管(N8122006);镉 (Cd) Lumina 空心阴极灯(N3050115);用于 NexION 300/350/1000/2000/5000 的镍采样锥(W1033612);铅 (Pb) Lumina 空心阴极灯(N3050157);用于 20 mm 顶空样品瓶的 PTFE 涂层硅胶隔垫(B0098591);用于 NexION 300/350/1000/2000 的超分离锥(W1033995);ICP-MS NexION 镍截取锥(W1026356);PTFE/SILICONESEPTA/CAP/SPRING顶空瓶盖(B0104242);石墨管GRAPHITETUBEWITHPLATFORM(B3001262);石墨管StdTHGAGraphiteTubesw/endcap-PK/5(B3000653);配件QuartzTorch1slotOptima8x00-IB^(N0780130);色谱配件FERRULEONEPIECE1/16(09920141);配件FILTERELEMENTFORRTIFILTERN0775325(N9306067);样品杯SAMPLECUPS2.5ML(B3001566);配件QuartzTorch1-SlotAvio(N0790131);样品杯SAMPLEBUPS1.2MLAS-71PK/2000(B0510397);电感耦合等离子体质谱仪用调谐液SOLUTION–NEXIONSETUP(N8145051);进样针SYRINGE-90005.0Ul63NDLDYNA(N6101390);石墨管StdTHGAGraphiteTubes-5pack(B3000641);瓶盖/垫20mmPTFE/SiliconeSepta/Cap/Springs(B0104241);配件Black/Black0.76mmi.d.PVCpkg.12(09908587);瓶垫SEPTA-PTFERED(N9303442);飞诺美 Kinetex 2.6 µm XB-C18 100 Å, 液相色谱柱150 x 4.6 mm(00F-4496-E0);飞诺美 Rezex RCM-Monosaccharide Ca+2 (8%), 液相色谱柱 300 x 7.8 mm(00H-0130-K0);飞诺美Rezex ROA-Organic Acid H+ (8%), 液相色谱柱 300 x 7.8 mm(00H-0138-K0);飞诺美Luna 5 µm Silica (2) 100 Å, 液相色谱柱 250 x 4.6 mm(00G-4274-E0);飞诺美Synergi 4 µm Hydro-RP 80 Å, 液相色谱柱 250 x 4.6 mm(00G-4375-E0);飞诺美Luna 5 µm NH2 100 Å, 液相色谱柱 250 x 4.6 mm(00G-4378-E0);飞诺美Gemini 5 µm C18 110 Å,液相色谱柱 150 x 4.6 mm,(00F-4435-E0);飞诺美Luna 5 µm C18(2) 100 Å,液相色谱柱 150 x 4.6 mm(00F-4252-E0);飞诺美Gemini 3 µm C18 110 Å, 液相色谱柱 150 x 4.6 mm(00F-4439-E0);Phenomenex SecurityGuard C18保护柱柱芯,10/Pk(AJ0-4286);Restek Rxi-624Sil MS气相色谱柱 (熔融石英),1.4 µm, 0.23 mm X 60 m(13869);Restek Stabilwax 色谱柱(熔融石英),0.32 mm X 30 m,1μm(10654);Restek 3.5 mm ID 直入式进样口衬管带玻璃毛,3.5 mm x 5.0 x 95,5/pk(20956);Restek Rtx-5 Amine 色谱柱(熔断石英)30 m X 0.32 mm,1.00 µm(12354);Restek Rtx-624 色谱柱(熔融石英),0.25 mm X 60 m 1.40μm(10969);Restek Stabilwax-DA 色谱柱(熔融石英),60 m X 0.32 mm,0.50 µm(RT-11042);Restek Rxi-5ms 色谱柱(熔融石英),30 m X 0.25 mm,0.25 µm(RT-13423);Restek Rtx-5 Amine色谱柱(熔融石英),30 m X 0.32 mm, 1.50 µm(RT-12369);Restek Rtx-35 Amine色谱柱(熔融石英),30 m X 0.53 mm,3.0 µm(11385);Restek Rtx-Volatile Amine色谱柱(熔融石英)30 m X 0.32 mm,5μm(18077);Restek Innovative Integra-Guard色谱柱(10655-126);Restek Allure PFP Propyl色谱柱 5 µm,60 Å,100 x 2.1 mm(9169512);Restek Raptor Biphenyl LC色谱柱 2.7 µm, 50 x 2.1 mm(9309A52);飞诺美Luna 5 µm C18(2) 100 Å, 液相色谱柱 250 x 4.6 mm(00G-4252-E0);Phenomenex SecurityGuard C18保护柱芯 4 X 3mm,10/Pk(AJ0-4287);MultiScreen-HV,0.45 µm,无色,非无菌(MAHVN4550);Q-Gard T1 纯化柱(Elix RO 蒸馏水进水)(QGARDT1X1);Quantum TEX (Organex 树脂) 纯化柱(QTUM0TEX1);超纯水柱QPAK® TEX Polishing Cartridge(QPAK00TEX);Chromolith RP-8 endcapped HPLC色谱柱 100 x 4.6 mm(1.51468.0001);HPTLC硅胶60 RP-18薄层层析板 25片(1.05914.0001);色谱柱LiChrospher 100 RP-8 (5 µm) LiChroCART® 250-4(1.50832.0001);色谱柱Superspher 60 RP-8 LiChroCART 250-4(1.16010.0001);Chromolith RP-18 endcapped HPLC色谱柱 50 x 4.6mm(1.51450.0001);LiChrospher 100 RP-8色谱柱 (5 µm) Hibar RT 250-4(1.50329.0001);HPTLC Silica gel 60 RP-18 W薄层板 200 X 100mm(1.14296.0001);SeQuant ZIC-HILIC色谱柱 5µm 200Å 150 x 4.6 mm(1.50455.0001);SeQuant ZIC-HILIC色谱柱 5µm 200Å 250 x 4.6 mm(1.50458.0001);Purospher® STAR RP-18色谱柱 封端 (5µm) Hibar® 150X4.6mm(1.51455.0001);Chromolith Performance RP-18HPLC色谱柱 封端 100X4.6mm(1.02129.0001);LiChrospher 60 RP-select卡套柱LiChroCART 125X4mm 5µm(1.50829.0001);LiChrospher 100 RP-18卡套柱LiChroCART 125X4mm 5µm)(1.50823.0001);PLC Silica gel 60 F₂₅₄,硅胶薄层层析板 含荧光指示剂0.5 mm(1.05744.0001);Chiradex LiChroCART环糊精卡套柱 250X4mm 5µm(1.51333.0001);Purospher STAR RP-18封端 卡套柱套件 LiChroCART 55X4mm 3µm(1.50242.0001);色谱柱LiChroCART?250-4LiChrospher?100RP-18(5祄)HPLCcartrid(1.50833.0001);HPTLC硅胶60薄层板 20 cm × 10 cm(1.05641.0001);TLC 硅胶60 RP-2薄层板 20 cm × 20 cm(1.05746.0001);Purospher STAR RP-18色谱柱 封尾 Hibar RT 250X4.6mm 5µm)(1.51456.0001);薄层板 TLC 硅胶60 RP-2 F₂₅₄(硅烷化)25片玻璃板 20 x 20 cm(1.05747.0001);LiChrospher 60 RP-select B 色谱柱LiChroCART 250X4mm 5µm(1.50839.0001);TLC硅胶60薄层板 20 cm × 20 cm(1.05553.0001);TLC硅胶60 RP-18 F₂₅₄s薄层板 20 cm × 20 cm(1.05559.0001);EXtrelut NT 3液液萃取柱 1-3 ml(1.15095.0001);manu-CART NT卡套,用于LiChroCART 2,3,4,4.6 mm i.d.HPLC色谱柱(1.51486.0001);TLC硅胶60 F₂₅₄薄层板 20 cm × 20 cm(1.05715.0001);TLC硅胶60薄层板 20 cm × 20 cm(1.05721.0001);TLC硅胶60 F₂₅₄薄层板20 cm × 10 cm(1.05729.0001);甲醇(广东外单瓶不做)(1.06007.4008);TLC 硅胶 60 F₂₅₄薄层板20 cm × 20 cm(1.05554.0001);TLC 硅胶60薄层板 20 cm × 10 cm(1.05626.0001);Ultrasphere5?mOctylcolumn,150x4.6mm色谱柱(235333);色谱柱ULTRASPHERE3?MODSHIGHSPEEDCOLUMN,75X4.6MM(244254);色谱柱Partisil5PAC4.6*250mm(4235-001);色谱柱HICHROMRPB5um110A,100x3.2mm(HIRPB-100AS);色谱柱HICHROM5?mRPB250x4.6mm(HIRPB-250A);色谱柱PARTISIL10?mSCX250x4.6mm(P10SCX-250A);色谱柱Ultrasphere5?mODScolumn,250x4.6mmC18(235329);色谱柱PARTISIL10?mSCXcolumn,250x4.6mm(WCShardware)(4227-001);色谱柱PRP-X10010umCOL250X4.1mmEA(79433);Platinum Catalyst, STType 载铂催化剂 ?(638-60246);炬管MINI TORCH,用于ICPE-9800/9820(211-81448);固相萃取小柱 SHIMSEN Styra HLB 200mg/6mL 30pcs(380-00855-10);雾化器NEBULIZER ASSY,用于AA-7000(206-77760-41);Ghost Trap DS 流动相杂质捕集小柱 7.6X30mm(228-59921-92);Shim-pack SCR-101H色谱柱 300 X 7.9mm(228-07730-93);DL管CDL PIPE ASSY,用于LCMS-2020(225-15718-91);XENON LAMP BULB ASSY氙灯 17.5V+-2V(228-51511-95);Intersil ODS-SP色谱柱 4.6 X 250mm 5μm(5020-02746);玻璃衬管 INSERT SPLIT DEACTIVATED TREAT 5pcs(225-20803-01);Inertsil C8-3色谱柱4.6 X 250mm 5μm(5020-01901);Shim-pack GIST C18色谱柱 5μm 4.6x150mm(227-30017-07);INERTSIL ODS-2色谱柱 4.6X150mm 5μm(5020-01124);SH-Rxi-5Sil MS毛细管色谱柱 30mX0.25mm 0.25μm(R221-75954-30);比色池架 ECT.L-PATH CELL HOLDER(204-23118-01);岛津DGU-20A脱气机真空腔(228-54502);Shim-pack GIS C18色谱柱 5μm 4.6x250mm(227-30106-08);固相萃取小柱INERTSEP MINI AERO DNPH 300mg 20/PK(5010-23500)