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Laboratory 10ml 25ml 50ml 100ml Clear/Amber Glass Burettes With PTFE Straight Stopcock
Laboratory Glassware
Burette
Burette Introduction
The burette is a volumetric instrument used to accurately place an uncertain amount of liquid. It is made of a slender and uniform glass tube with a scale on the surface of the tube, a pointed mouth at the lower end, and a piston in the middle to control the speed of titration.
About Butette
Product Specification
The dimensions are all measured by hand, so there may be some errors. Please contact us for the specific freight.
|
1642A |
Burette with straight stopcock |
||
|
Capacity(ml) |
graduation(ml) |
Capacity tolerance(±ml) |
Length(mm) |
|
10 |
0.05 |
0.025 |
600 |
|
25 |
0.1 |
0.05 |
630 |
|
50 |
0.1 |
0.05 |
860 |
|
100 |
0.2 |
0.1 |
860 |
Product Details
Clear scale .
Printed scales are clearer and less prone to wear.Pipette mouth section is smooth and round,beautifully made.High transparency, more intuitive to observe liquid.
Product Parameters
|
BOROSILICATE GLASS |
|
|
BORO3.3 |
|
| SiO2 Content | >80% |
| Strain Point | 520°C |
| Annealing Point | 560°C |
| Softening Point | 820°C |
| Refractive Index | 1.47 |
| Light Transmission(2mm) | 0.92 |
| Elastic Modulus | 67KNmm-2 |
| Tensile Strength | 40-120Nmm-2 |
| Glass stress Optical Coefficient | 3.8*10-6mm2/N |
| Processing Temperature(104dpas) | 1220°C |
| Linear Coefficient of Expansion(20-300°C) | 3.3*10-6K-1 |
| Density(20°C) | 2.23gcm-1 |
| Specific Heat | 0.9jg-1K-1 |
| Thermal Conductivity | 1.2Wm-1K-1 |
| Hydrolytic Resistance(ISO 719) | Grade 1 |
| Acid Resistance(ISO 185) | Grade 1 |
| Alkali Resistance(ISO 695) | Grade 2 |
| Thermal Shock Resistance Rod6*30mm | 300°C |
Instruction For Use
Before using the burette, remove the piston,wash and dry the water with filter paper or suck it dry, install the piston and turn it to make thecontact between the piston and the plug groove transparent, and finally test whether the water leaks.
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Why Choose Us
Yancheng Huida Glass Instrument Co., Ltd. is the experienced manufacturer, mainly produces high quality laboratory glassware and other general labware. The band of “YCHD” boiling glass series and volumetric measuring instruments are well-known all over the world.
- +86 515 83080736
- 12F South building, Julong center, Feng Huang Hui, 266 South Jiefang road, Yancheng, Jiangsu, China
- lab@chinahuida.cn
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