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PHP powder pads are longer lasting than ready standard solutions and easier to store. One PHP powder pack contains exactly the quantity for dissolution in 50ml destilled water, which results in 50 ml pH colored standard solution for calibrating pH measuring devices.

Due to color coding: red = pH 4.01, yellow = pH 7.0, blue = pH 10.01, errors are largely excluded.

Long shelf life, easy and safe handling, and the ability to access fresh, unadulterated standards at any time are the main advantages of the product.

PHP:
SKU Name Price *  
PHP-04 pH powder for dissolution in 50ml pH 4,01 (rot) 2,20 €
(2,55 €)
PHP-07 pH powder for dissolution in 50ml pH 7,00 (gelb) 2,20 €
(2,55 €)
PHP-10 pH powder for dissolution in 50ml pH 10,01 (blau) 2,20 €
(2,55 €)
PH-TF PE dripper bottle, 50ml, empty 1,95 €
(2,26 €)
All prices excl. shipping *