Solutions in sachets ensure optimum precision.
Advantages
No danger of contamination.
The plastic-coated sachet provides a perfect liquid seal and good protection from light.
The solutions should only be used once to avoid any danger of contamination.
They also satisfy the requirements of the GLP and ISO standards.
They have been adjusted using a pH-metre that has been calibrated with a buffer associated with NIST standards.
The buffers in sachets are delivered with a certificate of conformity.