General Solutions

The green-colored di-sodium hydrogen phosphate/potassium dihydrogen phosphate buffer solution is gravimetrically prepared using high-quality reagents at a registered calibration laboratory. Its pH value of 7.

The green-colored di-sodium hydrogen phosphate/potassium dihydrogen phosphate buffer solution is gravimetrically prepared using high-quality reagents at a registered calibration laboratory. Its pH value of 7.

The green-colored di-sodium hydrogen phosphate/potassium dihydrogen phosphate buffer solution is gravimetrically prepared using high-quality reagents at a registered calibration laboratory. Its pH value of 7.

Certipur &#174 buffer solution [di-sodium hydrogen phosphate/potassium dihydrogen phosphate buffer pH 6.88 (20 °C)] is intended for use as a calibration standard for pH instruments or pH electrodes or as a control sample for measuring the pH

A phosphate buffer, it is gravimetrically prepared using high-quality salts in high-purity water. The pH 7.

A phosphate buffer, it is gravimetrically prepared using high-quality salts in high-purity water. The pH 7.

A phosphate buffer, it is gravimetrically prepared using high-quality salts in high-purity water. The pH 7.

The buffer solution (glycine/sodium chloride/hydrogen chloride) is gravimetrically prepared using high-quality reagents. It is quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab.

The buffer solution (citric acid/sodium hydroxide/hydrogen chloride) is gravimetrically prepared using high-quality reagents and quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab. Its pH value of 2.

The buffer solution (citric acid/sodium hydroxide/hydrogen chloride) is gravimetrically prepared using high-quality reagents and quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab. Its pH value of 2.

The buffer solution (citric acid/sodium hydroxide/hydrogen chloride) is gravimetrically prepared using high-quality reagents and quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab. Its pH value of 2.

The buffer solution (citric acid/sodium hydroxide/hydrogen chloride) is gravimetrically prepared using high-quality reagents in high-purity water. It is quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab.