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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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

🎯NIST-traceable precision

🧪3 essential pH points (4.00, 7.00, 10.00)

🗂️Color-coded for instant ID

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Description

🧪 Calibrate Like a Pro — Because Precision Isn’t Optional

LAB READY PACKAGING - 500mL poly bottles, individually bagged, perfect for pharmaceutical, academic, and industrial labs.
CERTIFIED DOCUMENTED - Each batch includes a unique lot number, expiration date, and certificate of analysis for full traceability.
PRECISION YOU CAN TRUST - NIST-certified calibration ensures your pH meter delivers lab-grade accuracy every time.
TRIPLE POINT CALIBRATION - Three critical pH buffers cover acidic, neutral, and alkaline ranges for comprehensive meter tuning.
EFFORTLESS IDENTIFICATION - Color-coded bottles eliminate guesswork, speeding up your workflow and reducing errors.

Biopharm’s pH Calibration Buffer 3-Pack offers NIST-traceable, color-coded solutions at pH 4.00, 7.00, and 10.00 in convenient 500mL bottles. Trusted since 1977, these buffers come with lot numbers, expiration dates, and certificates of analysis, ensuring reliable, lab-grade calibration for all pH meters across pharmaceutical, academic, research, and industrial settings.

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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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 106.79

Duties & taxes included

In stock

Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Spain.

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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