1. Q: What are the major series of Lingde ultra-pure water machines? What is the difference?
A: The leading German ultra-pure water machine now has three series, namely LEADER series; BASIS series; and JUNIOR series. The LEADER series is based on urban tap water, which can prepare RO water and 18.2MΩ-cm@25°C ultrapure water. The BASIS series uses distilled water/deionized water or RO water as feed water to prepare RO water and 18.2MΩ- Cm@25 °C ultra-pure water; JUNIOR series is based on urban tap water, can prepare RO water and 10-16MΩ-cm@25°C deionized water.
2. Q: There are several models under each series of the Lede ultra-pure water machine?
A: There are 4 models under the LEADER series of the Leder ultra-pure water machine. They are basic types, except for heat source type, low organic type and comprehensive type. Each model is divided into a standard type and a large flow type, in which the standard pure water production is 15 liters / hour; the large flow type pure water production is 30 liters / hour. The BASIS series has only four standard models and no large flow. The JUNIOR series is only available in basic and high flow types.
3. Q: What are the characteristics of the basic type of Lingde ultra-pure water machine, and what are the application fields? What are the technical parameters?
A: Take the LEADDER series as an example. The basic models are Leader-A1 and LEADER-A2. For an ultra-pure water machine that is suitable for most users, if there is no special requirement for heat source and organic content, this model can be used.
The applicable fields are: GC, HPLC, IC, ICP, PCR application analysis, meteorological analysis, precision instrument analysis, amino acid analysis, analytical reagents and drug configuration, dilution.
Technical parameters are: pure water production: 15 liters / hour (A1 type); 30 liters / hour (A2 type); ultra-pure water production: 1.8 liters / minute (pressure tank when there is water); salt rejection rate > 95%; resistance Rate: 18.2 MΩ-cm@25 ° C; particulate matter <1/ml (>0.22 um); TOC <10 ppb; heavy metal ion <0.1 ppb.
4. Q: What are the characteristics of the Lede ultra-pure water machine in addition to the heat source type, and what are the application fields? What are the technical parameters?
A: Take the LEADDER series as an example. The heat source type models are Leader-F1 and Leader-F2. In addition to the heat source type built-in imported UV lamp, the band is 185nm and 245nm, which can reduce the heat source (endotoxin) content in water to less than 0.001Eu/ml, which can meet the needs of many ultra-pure water users who have requirements for heat source.
The applicable fields are: molecular biology and life science, animal cell and plant cell culture, tissue culture, IVF, electrophoresis, gel analysis medium preparation.
Technical parameters are: pure water production: 15 liters / hour (A1 type); 30 liters / hour (A2 type); ultra-pure water production: 1.8 liters / minute (pressure tank when there is water); salt rejection rate > 95%; resistance Rate: 18.2 MΩ-cm@25 ° C; particulate matter <1/ml (>0.22 um); TOC <10 ppb; heavy metal ion <0.1 ppb; endotoxin (heat source) <0.001 Eu/ml.
5. Q: What are the characteristics of the low organic type of the Lede ultra-pure water machine, and what are the application fields? What are the technical parameters?
A: Take the LEADDER series as an example. The low organic models are Leader-V1 and Leader-V2. The low-organic type built-in UF filter can reduce the content of organic matter (TOC) in water to less than 5ppb, which can meet the needs of many ultra-pure water users who have requirements for organic content.
The applicable fields are: HPLC, IC, ICP-MS, TOC analysis, organic matter analysis, GF-AAS, toxicology research, capillary electrophoresis, environmental protection experimental analysis.
Technical parameters are: pure water production: 15 liters / hour (A1 type); 30 liters / hour (A2 type); ultra-pure water production: 1.8 liters / minute (pressure tank when there is water); salt rejection rate > 95%; resistance Rate: 18.2 MΩ-cm@25°C; particulate matter <1/ml (>0.22 um); TOC<5 ppb; heavy metal ion <0.1 ppb.
6. Q: What are the characteristics of the comprehensive model of Lingde ultra-pure water machine, and what are the application fields? What are the technical parameters?
A: Take the LEADDER series as an example. The integrated models are Leader-M1 and Leader-M2. The comprehensive combination of heat source type and low organic type features, built-in imported UF filter and UV lamp, can reduce the heat source (endotoxin) content in water to less than 0.001Eu/ml, and reduce the content of organic matter (TOC) in water. Less than 5 ppb. Meet high-end users who have a need for heat and organic content.
Fields of application are HPLC, IC, ICP-MS, GF-AAS, physics, electrochemistry and interface research, molecular biology and life sciences, animal cell and plant cell culture.
Technical parameters are: pure water production: 15 liters / hour (A1 type); 30 liters / hour (A2 type); ultra-pure water production: 1.8 liters / minute (pressure tank when there is water); salt rejection rate > 95%; resistance Rate: 18.2 MΩ-cm@25°C; particulate matter <1/ml (>0.22 um); TOC<5 ppb; heavy metal ion <0.1 ppb; endotoxin (heat source) <0.001 Eu/ml.
7. Q: What advantages does the Lede ultra-pure water machine have compared with other imported or domestic brands?
A: The Leder ultra-pure water machine uses imported water components, such as reverse osmosis membrane, deionization column, ultra-purification column, and terminal filter. The water quality is comparable to that of imported brands such as Millipore, but the price is much cheaper than imports, and in the near future, the price is more favorable and more activities. In addition, the Leder ultra-pure water machine is better than many domestic brands, the water quality is better, the consumables are used for a longer period of time, and the after-sales quality is better.
8. Q: What is the after-sales maintenance of the Lede ultra-pure water machine?
A: The Ledex ultra-pure water machine adopts the quick-connect type connector, and the package is equipped with instructions, which is easy to operate and easy for customers to load and unload. In addition, for local users in Shanghai, the company provides on-site installation services, and foreign users provide remote assistance installation services. The warranty period of the Leder ultra-pure water machine is up to 18 months. After the warranty period, the company will also provide long-term service.
 Injection Device
Syringes can also call Disposable Medical Supplies, Disposable Syringe With Needle and Plastic Needle Tube such as some scientific instruments in chromatography to inject through the rubber septum. Injecting gas into a blood vessel will cause an air embolism. The way to remove air from the syringe to avoid embolism is to turn the syringe upside down, tap it lightly, and squeeze out a little bit of fluid before injecting into the bloodstream.
In some cases where accuracy is not the primary concern of germs, such as quantitative chemical analysis, glass syringes are still used due to the small error of the glass syringe and the smooth movement of the push rod.
You can also inject some of the juices into meat with a syringe to improve taste and texture while cooking, or into pastries when baking. Syringes can also fill ink cartridges with ink.
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