Product Description:
The bottles are labeled with volume and temperature. The graduated volumetric flask's neck has a graduated line indicating that at the labeled temperature, when the concave surface of the liquid is tangent to that line, the volume of the solution is equal to the volume labeled on the bottle (specifically referring to measure-in volumetric flasks). Commonly used volumetric flask sizes are 25 ml, 50 ml, 100 ml, 250 ml, 500 ml and 1000 ml.
:
Graduated volumetric flask should be leak tested before use.
1. Add water to the mark near the line, cover the stopper, the left hand with the index finger to hold the stopper, the rest of the fingers to hold the neck of the bottle above the mark, the right hand fingertips to hold the bottom of the bottle, the bottle upside down for 2 minutes, such as no leakage of water, will be the bottle upright, rotate the stopper 180 °, and then inverted for 2 minutes, such as no leakage can be used.
2. In use, the glass stopper should not be placed on the desktop, so as not to tarnish, operation can be used with a hand of forefinger and middle finger clip stopper flat head, when the end of the operation of the hand will be the cap on the bottle, can also be used as a rubber band or a thin rope will be tied to the bottle stopper on the neck.
3. If not seepage, first rinse with tap water, and then with distilled water drip wash 3 times spare.
Product Specifications:
|
Lab Boro 3.3 1000ml 2000ml volumetric flask with plastic or glass stopper |
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|
ITEM CODE |
Capacity(ml) |
Capacity tolerance(±ml) |
Ground mouth |
Height(mm) |
|
1621A-10ml |
10 |
0.02 |
7/11 |
90 |
|
1621A-25ml |
25 |
0.03 |
10/13 |
110 |
|
1621A-50ml |
50 |
0.05 |
10/13 |
140 |
|
1621A-100ml |
100 |
0.10 |
12/14 |
170 |
|
1621A-200ml |
200 |
0.15 |
14/15 |
210 |
|
1621A-250ml |
250 |
0.15 |
14/15 |
220 |
|
1621A-500ml |
500 |
0.25 |
16/16 |
260 |
|
1621A-1000ml |
1000 |
0.40 |
19/17 |
310 |
|
1621B-5ml |
5 |
0.04 |
7/11 |
74 |
|
1621B-10ml |
10 |
0.04 |
7/11 |
90 |
|
1621B-25ml |
25 |
0.06 |
10/13 |
110 |
|
1621B-50ml |
50 |
0.1 |
10/13 |
140 |
|
1621B-100ml |
100 |
0.2 |
12/14 |
170 |
|
1621B-200ml |
200 |
0.3 |
14/15 |
210 |
|
1621B-250ml |
250 |
0.3 |
14/15 |
220 |
|
1621B-500ml |
500 |
0.5 |
16/16 |
260 |
|
1621B-1000ml |
1000 |
0.8 |
19/17 |
310 |
|
1621B-2000ml |
2000 |
1.2 |
24/20 |
370 |
Product Details:

Packing and Shipping:
1.We can use plastic pallet pack the goods. It can avoid products broken.
2.Sample is free. Clients need pay express freight charges. Sample delivery time is about 1-3 days.
3.Large cargo delivery time based on customer's requirements. Usually needs 15-20 days.
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