天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片
<dl id="m8jfa"></dl>
Beijing Xinwell Glass Instrument Co., Ltd??? ?? ??? ?????.
?? ?:
Beijing Xinwell Glass Instrument Co., Ltd
??:
???:
1042829409@qq.com
??:
CHINA
URL:
www.xinweier.com
? ?? ?:
1325
1
2
3
4
5
6
7
8
9
10
11
12
13
14
?? ????
Crystallization dish diameter 150MM, height 75MM, wall thickness 3.5MM
Glass filter funnel, sand plate diameter 20, grinding mouth 24/40, funnel top diameter 90MM
Glass filter funnel, sand plate diameter 20, ground mouth 19/22, funnel top diameter 50MM
Reaction tube, ground 24/40, with 2MM PTFE joint, 200ML
Reaction tube, inner ground 19/22, PTFE valve, 10ML
Reaction bottle,PTFE stopcock,14/20,100ML&NBSP
Xinweier homemade thick-walled beaker, double scale line 1000ML, diameter*height 108*150&NBSP
Solvent storage bottle, 100ML, tube outer diameter × total height: 40 × 140MM, 0-8MM internal thread high vacuum
Solvent storage bottle (SCHLENK), 25ML, 26×110MM, 7# internal thread 4MM high vacuum valve
KD distillation unit 250ML (assembly) &NBSP
100ML GL45 threaded reagent bottle, standard green threaded cap, including sealing ring
O-ring, PTFE all-inclusive, corrosion-resistant, inner diameter x width, 24 x 3.5
Cold trap device, Φ10 four-section small nozzle
Reaction tube, ground 19/22, with 2MM PTFE joint, 200ML
Reaction tube, ground 24/40, with 2MM PTFE joint, 50ML
Reaction bottle,PTFE valve,24/40,1000ML&NBSP
Rotary evaporation vial threaded connector upper ground mouth 19/22&NBSP
Solvent storage bottle, 350ML, tube outer diameter × total height: 70 × 140MM, 0-8MM internal thread high vacuum
Solvent storage bottle, 50ML, tube outer diameter × total height: 28 × 140MM, 0-8MM internal thread high vacuum
Thick-walled ground test tube, 14/20 mouth 10ML, outer diameter*total length 19*95MM&NBSP
1000ML GL45 reagent bottle with blue cap and threaded mouth, standard with green threaded cap, including sealing ring
5MM NMR tube cap (green, red, yellow, purple, blue, brown, white, black, mixed colors) 50 pieces/pack &NBSP
O-ring, PTFE all-inclusive corrosion-resistant, inner diameter x width, 11.81 x 2.67
Thin layer chromatography silica gel plate HSGF254 25*100MM 160 pieces/box
Reaction tube, ground 14/20, with 2MM PTFE joint, 100ML
Reaction bottle,PTFE stopcock,24/40,250ML&NBSP
Silicone tube, inner diameter 8MM outer diameter 15MM, length 10M&NBSP
PE sanitary gloves (L imported external embossed) 100 pieces/box Full length: 274MM&NBSP
Solvent storage bottle (SCHLENK), 10ML, 0-4MM7# internal thread high vacuum
Thick-walled ground test tube, 19/22 mouth 25ML, outer diameter*total length 26*130MM&NBSP
Crystallization dish diameter 100MM, height 50MM, wall thickness 3.0MM
Glass filter funnel, sand plate diameter 20, grinding mouth 24/40, funnel top diameter 75MM
Sand plate chromatography column, Φ80MM, effective length 800MM, gate aperture: 4MM, 24/40
Reaction tube, ground 24/40, with 2MM PTFE joint, 100ML
Reaction tube, ground 14/20, with 2MM PTFE joint, 50ML
Reaction bottle,PTFE valve,14/20,50ML&NBSP
Beaker with handle, double scale line 1000ML, diameter*height*thickness 108*150*3.0&NBSP
Solvent storage bottle (SCHLENK), 100ML,: 40×165MM, 0-4MM7# internal thread high vacuum
Solvent storage bottle, 20ML, 8MM internal thread high vacuum valve, outer diameter 19MM*length 130MM
KD distillation unit 125ML (assembly) &NBSP
90° exhaust joint, with glass valve, 34/35, 2MM valve aperture, with dryer
25# internal thread PTFE plug, including R212QB PTFE all-inclusive O-ring
Glass filter funnel, sand plate diameter 20, ground mouth 19/22, funnel top diameter 90MM
Reaction tube, ground 19/22, with 2MM PTFE joint, 100ML
Reaction tube, ground 19/22, with 2MM PTFE joint, 50ML
Reaction bottle,PTFE valve,19/22,50ML&NBSP
Large nylon sealed connector, thread size upper 20-400, lower 24-400&NBSP
Solvent storage bottle (SCHLENK), 250ML, 60×185MM, 0-4MM7# internal thread high vacuum
Solvent storage bottle (SCHLENK), 50ML, 28×120MM, 0-4MM7# internal thread high vacuum
Thick-walled ground test tube, 14/20 mouth 5ML, outer diameter*total length 19*70MM&NBSP
Threaded reagent bottle 500ML GL45, standard pink threaded cap, including sealing ring &NBSP
Round Bottom Flask Cork Mat
O-ring, anti-polar solvent type, inner diameter × width, 11.81 × 2.82
PTFE magnetic stirring bar B6*10MM (cylindrical with hoop) 5pcs/box
Reaction bottle,PTFE stopcock,19/22,250ML&NBSP
Reaction bottle,PTFE stopcock,24/40,100ML&NBSP
Beaker Clamp & NBSP
PE sanitary gloves (M imported external embossed) 100 pieces/box Full length: 274MM&NBSP
Glass shell magnetic stirring bar, outer diameter 9MM length 28MM
Thick-walled ground test tube, 19/22 mouth 25ML, outer diameter*total length 22*160MM&NBSP
Crystallization dish diameter 80MM, height 40MM, wall thickness 3.0MM
Glass filter funnel, sand plate diameter 20, grinding mouth 24/40, funnel top diameter 50MM
Mobile phase filter (without filter membrane) with sand core flange, 2L filter bottle &NBSP
Thin layer chromatography silica gel plate HSGF254 50*100MM 160 pieces/box
Reaction tube, ground 14/20, with 2MM PTFE joint, 25ML
Reaction bottle,PTFE stopcock,29/42,500ML&NBSP
Beaker with handle, double scale line 500ML, diameter 80*height 125*wall thickness 2.5MM&NBSP
PE sanitary gloves (M imported economic type) 100 pieces/box Full length: 274MM&NBSP
Solvent storage bottle (SCHLENK), 20ML, 7# internal thread 4MM high vacuum, outer diameter 22MM*length 110MM
Thick-walled ground test tube, 24/40 mouth 50ML, outer diameter*total length 40*120MM&NBSP
Crystallization dish diameter 200MM, height 117MM, wall thickness 3.8MM
15# internal thread PTFE plug, including R111QB PTFE all-inclusive O-ring
Glass filter funnel, sand plate diameter 20, ground mouth 19/22, funnel top diameter 75MM
Reaction tube, ground 24/40, with 2MM PTFE joint, 250ML
Reaction tube, inner ground 19/22, PTFE valve, 25ML
Reaction bottle,PTFE valve,14/20,250ML&NBSP
Small nylon sealing connector, thread size 20-400 changed to 15-425
Solvent storage bottle 250ML, tube outer diameter × total height: 60 × 140MM, 0-8MM internal thread high vacuum
Solvent storage bottle 25ML, tube diameter × total height 26 × 100MM, 0-8MM internal thread high vacuum
KD distillation unit 500ML (assembly) &NBSP
250ML GL45 threaded reagent bottle, standard with yellow threaded cap, including sealing ring
Vacuum silicone grease 7501 50G/bottle&NBSP
Liquid metal bath fixing plate (ABS) 500ML Diameter: 145MM 7 holes * 30MM 1 hole * 15MM&NBSP
Glass liquid dispenser (laboratory special fine grinding) 1ML 10 pieces/box (CHINA)
Reaction bottle,PTFE stopcock,19/22,100ML&NBSP
Reaction bottle,PTFE valve,24/40,2000ML&NBSP
PE sanitary gloves (L imported economic type) 100 pieces/box Full length: 274MM&NBSP
PE sanitary gloves (S imported external embossed) 100 pieces/box Full length: 274MM&NBSP
Thick-walled ground test tube, 24/40 mouth 100ML, outer diameter*total length 40*160MM&NBSP
Thick-walled ground test tube, 19/22 mouth 10ML, outer diameter*total length 22*90MM&NBSP
Pipette Tips (Silicone) 12pcs/Pack
Disposable plastic straws 1ML 250 pieces/pack (length: about 16CM PE)
Mobile phase filter (without filter membrane) 2L filter bottle &NBSP
Thin layer chromatography silica gel plate HSGF254 200*200MM (0.4-0.5) 20 pieces/box
Reaction tube, ground 14/20, with 2MM PTFE joint, 10ML
Reaction bottle,PTFE valve,24/40,500ML&NBSP
Beaker with handle, double scale line 250ML, diameter 77*height 96*wall thickness 3.0MM&NBSP
PE sanitary gloves (S imported economic type) 100 pieces/box Full length: 274MM&NBSP
Solvent storage bottle (SCHLENK), 10ML, 0-8MM 7# internal thread high vacuum valve
Thick-walled ground test tube, 24/40 mouth 50ML, outer diameter*total length 32*155MM&NBSP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Copyright 2019 ? ChemicalBook. All rights reserved