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3 Bags/Set 3 Calibration Point 4.01/6.86/9.18 pH Buffer Powder for pH Meter Calibration Solution
US$0.30-0.90
10 Sets
Product profile
Customization
AvailablePortable
PortableAppliance
Food Analysis, Medical Research, BiochemistryCertification
ISO9001, CEName of Commodity
pH Buffer PowderProduct Standard
Bagged PowderWeight
About 3G Each BagpH Value
4.01, 6.86 and 9.18Proportion
250ml Standard Solution Per BagExpiration Date
Two YearsTransport Package
Carton BoxSpecification
3g/bagTrademark
WollenLabOrigin
ChinaHS Code
2835299000Production Capacity
1000sets/MonthKey features
3-Point Calibration: Includes 3 bags with pH values 4.01, 6.86, and 9.18 for precise probe calibration.
High Accuracy: Ensures electronic pH measurement probes maintain high accuracy during long-term use.
ISO9001 & CE Certified: Product meets international quality and safety standards for reliable performance.
Flexible Customization: Offers full, minor, and sample-based customization options for specific needs.
Fast Lead Time: Peak and off-peak season lead times are both within 15 working days.
OEM/ODM Service: Available for custom designs and manufacturing to meet unique requirements.
Long Shelf Life: Unopened powder lasts two years; opened solution remains valid for 3-6 months.
Versatile Application: Suitable for food analysis, medical research, and biochemistry fields.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.31h
About Our Factory & Business Background
AddressEast Side of the First Floor of the Backyard of the Labor Building No. 55 Longhai West Road, Zhongyuan District, Zhengzhou City, Henan Province
Plant Area15 square meters
Number of Employees2
Registered Capital500,000 RMB
Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment
International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Minimum Order Quantity1 Set
Supply Chain Partners3
Our Production Capability & Technical Expertise
Main ProductsJacketed Glass Reactor; Incubator; High Pressure Reactor; Rotary Evaporator; Circulating Water/Oil Bath
R&D Engineers1 people
Our Industry Experience & Global Business Record
Year of Establishment2019-04-11
Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast, Africa, Australia
Repeat Buyers Choice30%~50%
Number of Foreign Trading Staff1
Overseas Agent/BranchNo
New Products Launched in Last yearNo
Our Certifications, Standards & Industry Recognition
Cooperated with Fortune 500No
Product Q&A
Q:What is included in the set?
A:
The set contains 3 bags of pH buffer powder with calibration points at 4.01, 6.86, and 9.18.
Q:How do I calibrate the pH meter?
A:
Wash the electrode with pure water, immerse it in the solution, and adjust the meter to match the solution's pH value. Start with 6.86, then use 4.01 or 9.18.
Q:How often should I calibrate my pH meter?
A:
If the meter is in constant use, calibrate once a week. For normal frequency use, calibration is needed approximately every 3 months.
Q:What is the expiration date of the powder?
A:
The unopened powder has an expiration date of two years. Once opened, the solution should be used within 3 to 6 months.
Q:Can I customize this product?
A:
Yes, we offer full customization, minor customization, and customization from samples or designs.
Send Inquiry
*To:
Zhengzhou Wollen Instrument Equipment Co., Ltd.
Zhengzhou Wollen Instrument Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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