The company dedicate itself to accelerating the development of my country's PH Buffer Solution, buffered solution industry with high-quality products and preferential prices. Our company is an enterprise integrating research and development, production, sales and technical services of buffer solution ph 4.00, and our products are exported to all over the world. We are a dynamic and nimble company that can adapt quickly to changing market conditions. Our company culture is built on teamwork, collaboration, and a commitment to excellence. Our company is committed to ensuring fair and ethical business practices at all times. We will always be guided by the three principles of ecology, society and economy at the same time. Our company is committed to providing a safe and comfortable working environment for our employees.
-
![PH Buffer Solution]()
PH Buffer SolutionConfiguration: pH 4.00, pH 6.86, pH 9.18 (1 bottle each)
Volume: 100mL per bottle
Application: pH meter calibration, electrode verification, pH traceability
Compatibility:... -
![Digital Thermostat Controlled Water Bath]()
Digital Thermostat Controlled Water BathModel: QW-FAD-WB, QW-FAD-WBT
Magnetic Stirring: None
Thermal Protection Function: Have
Temperature Control Range: Room temperature +8–90°C -
![Lab Steam Autoclave]()
Lab Steam AutoclaveModel: QW-MJ-15/MJ-15S, QW-MJ-35/MJ-35S
Central Zone High Temperature: 850 ± 25℃
Disinfection Product Outer Diameter: Ф15 mm, Ф35 mm
Heating Zone Total Length: 165 mm, 120 mm -
![Mini Digital Magnetic Stirrer]()
Mini Digital Magnetic StirrerModel: M-CL
Timing Function: No
Charging Function: No
Speed Range: 0-1800 rpm -
![Brushless Mixer]()
Brushless MixerModel: QW-WS60-SH
Motor Power: 60w
Timing Function: No
Speed Range: 100-1600rpm -
![Rechargeable Portable UV Analyzer]()
Rechargeable Portable UV AnalyzerModel: WFH-204C
Wavelength: 365nm, 254nm
Ultraviolet Filter: 150×50mm
Power Adapter: 13.8V -
![Super Constant Temperature Water Bath]()
Super Constant Temperature Water BathModel: HS-501A
Heating Power: 1000W
Temperature Control Range: Ambient +8~99.9°C
Temperature Fluctuation: ≤±0.2°C -
![Digital Constant Temperature Water Bath]()
Digital Constant Temperature Water BathModel: HH-11-A
Temperature Range: Room temperature +5-99.9℃
Display Resolution: 0.1℃
Display Mode: LCD backlight display -
![Four-Hole Digital Constant Temperature Water Bath]()
Four-Hole Digital Constant Temperature Water BathModel: HH-24-A
Temperature Range: Room temperature +5～99.9℃
Display Resolution: 0.1℃
Display Mode: LCD backlight display -
![Six-Hole Digital Constant Temperature Water Bath]()
Six-Hole Digital Constant Temperature Water BathModel: HH-26-A
Temperature Range: Room temperature +5～99.9℃
Display Resolution: 0.1℃
Display Mode: LCD backlight display -
![Blue Light Gel Cutter]()
Blue Light Gel CutterModel: QW-GC365
Wave Length: 365nm
Dimensions of the Glue Cutting Area: 105×163mm
Irradiation Method: Double-sided LED light source -
![Powder forming Die]()
Powder forming DieModel: HY-1
Compatible Equipment: Benchtop/portable whiteness meters, color difference analyzers
Suitable Samples: Flour, starch, talc, calcium carbonate, ceramic powder, and other...
Emily Roepke
Sometimes it takes cooperation to get the job done. But as long as one person works hard, cooperation is impossible. The cooperation with the company is very pleasant.
Jennifer Backman
You are very good at learning and know how to learn from each other.
Maurice Merritt
This company believes that integrity is the foundation of the enterprise, innovation is the source of power, quality is the highest pursuit, and character is the guarantee of development.
Mary Gage
Hope that other sellers are as honest as this supplier, so that we will have less trouble.
Ashley Mitchel
The secret of enterprise success lies in the support of the three qualities of talent, product and service. And quality is the most important of the three.
Dewey Tomlin
Self-improvement, enterprising, innovation, excellence is the corporate spirit of this company. It is because they continue to innovate and improve their core competencies that they can be at the
We return the investment to our shareholders through the growth of our business scale and provide quality Thermostatic COD Digester, Benchtop Multi Parameter Carbon Dioxide Ion Concentration Meter, centrifuge and services to our customers. Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of buffer solution ph 4.00 in China, featured by quality products and good service. Please rest assured to buy bulk durable buffer solution ph 4.00 in stock here from our factory. We also accept customized orders.