What is the self life?

pH 4.00 and pH 7.00 receives a 2 year expiration from the date of manufacture. pH 10.00 receives a 1.5 year expiration from the date of manufacture.

Does the certificate have any additional costs?

No. The certification(s) are included with the shipment at no additional cost.

Where can i find the buffer ph vs. temperature table that commonly comes with ph calibration buffers? not just the two values on the front.

It can be found on the this product page under the 'Downloads' option. Here's the link. https://images-na.ssl-images-amazon.com/images/I/81i3MCq4otL.pdf

how much is needed to calibrate a pen? How long does this usually last calibrating 1/week/min?

Depends on the pen size. the myron L pen with cup for the it'll be about 3oz for a triple rinse and calibrate. So 5 weeks since it's about 16.9oz. but other pens require more.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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الحساب عربة التسوق

Biopharm pH Calibration Buffer 3-Pack: pH 4.00, 7.00, and 10.00; 500mL Each | NIST traceable reference standards for all pH meters. Reliable quality since 1977. Certificates available. Color coded.

Biopharm pH Calibration Buffer 3-Pack: pH 4.00, 7.00, and 10.00; 500mL Each | NIST traceable reference standards for all pH meters. Reliable quality since 1977. Certificates available. Color coded.

Product ID: 31398438

Details

Boiling point
100 Degrees
Brand
Biopharm
GHS health hazard
Non hazardous
Item Volume
1500
Percentage assay
100

🎨Color-coded for instant ID

📏NIST-traceable precision

🧪500mL lab-grade bottles

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Description

📊 Calibrate with Confidence — Because Precision is Power

INSTANT IDENTIFICATION - Vibrant color-coded bottles eliminate guesswork and speed up your workflow.
PRECISION YOU CAN TRUST - NIST standard reference calibration ensures unmatched accuracy for all your pH meters.
VERSATILE LAB ESSENTIAL - Perfectly suited for pharmaceutical, academic, research, and industrial laboratories demanding reliability.
CERTIFIED QUALITY ASSURANCE - Each lot is uniquely numbered and expiration dated with certificates included for full traceability.
GENEROUS VOLUME FOR EXTENDED USE - 500mL bottles provide ample solution for repeated calibrations without frequent reordering.

Biopharm's pH Calibration Buffer 3-Pack offers three NIST-traceable, color-coded solutions (pH 4.00, 7.00, 10.00) in 500mL bottles, each lot uniquely numbered and expiration dated. Trusted since 1977, these buffers deliver reliable, certified accuracy for all pH meters across pharmaceutical, academic, research, and industrial labs.

Specifications

% Assay of Chemical(s)	100
ASIN	B01E7U873K
Best Sellers Rank	#14,496 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Chemical Buffers
Boiling Point	100 Degrees Celsius
Brand Name	Biopharm
Container Type	Bottle
Customer Reviews	4.8 4.8 out of 5 stars (151)
GHS Health Hazard	Non hazardous
GHS Physical Hazard	Non hazardous
Item Form	Liquid
Manufacturer	Biopharm Inc
Part Number	BB8886X
UPC	721272377101
Volume	1500 Milliliters

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