respected user:
Hello! When you sign a contract with us, you become our users. Please prepare the company before the arrival of the technical staff to do the following preparatory work, ready to "on the preparation of the receipt" back to my company, our company will be based on "receipt" content, as soon as possible arrangements for technical staff debugging.
1. Proficiency in computer basic knowledge, chemical analysis of professional staff 2.
2. Should be equipped with smooth and smooth workstations, laboratory temperature control between 10-30 ℃, with a reliable power supply and a good grounding line.
3. Deionized water should be used for distillation, and then by the exchange of resin bed exchange, the conductivity control in the 0.05μs / cm below, can also be used to produce water purifier 18.2 megohm of ultra-pure water.
4.1000ml filter bottle 1, G4 250ml sand core funnel 1, rubber plug 1 (the three should be able to be assembled together). Vacuum degassing pump one. (If not included in the contract)
5. One electronic balance (accurate to 0.001).
6. The following reagents should be prepared
Anionic preparation reagents: sodium carbonate, sodium bicarbonate, sodium fluoride, sodium chloride, sodium nitrite, sodium nitrate, sodium sulfate, anhydrous ethanol
Cationic preparation reagents: methanesulfonic acid, sodium chloride, potassium chloride, magnesium chloride, calcium chloride
Voltammetry Preparation reagents: ethylenediamine, sodium carbonate, boric acid, standard samples such as S2-, CN-
The above reagents are required to be pure (inclusive) or more, according to the need to prepare
8. Utensils
(1) 500 ml plastic bottles, glass reagent bottles of the four
(2) capacity bottle
Capacity bottle specifications |
50ml |
100ml |
250ml |
500ml |
1000ml |
Quantity |
5-10 |
10 |
2 |
2 |
2 |
(3)移液管及刻度吸管
specification |
0.5 ml |
1 ml |
2 ml |
5 ml |
10 ml |
15 ml |
20 ml |
50ml |
Quantity |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
9. Prepare the computer (xp system), the printer
If you have any questions, please call the technical service telephone 15726206261.
Qingdao Pu Ren Instrument Co., Ltd.