Home Buy Online Quality Control and Test Kits pH Testing pH Buffer CAL STD pH Buffer 9 18 Solution 500 mL bottle 🔍 pH Buffer 9 18 Solution 500 mL bottle£24.45 ex. VAT pH Buffer 9 18 Solution 500 mL bottle quantity Add to basket WishlistWishlist SKU: HI-7009L Categories: pH Testing, pH Buffer CAL STD Tag: pH Buffer CAL STD Guaranteed Safe Checkout Description pH 9.18 buffer solution 500ml. Related products Quick view icon pH buffer solution 4 01 500ml bottle with certificate £25.45 ex. VAT Add to basket Quick view icon pH 2 00 Technical Buffer Solution 25 x 20ml sachets £39.75 ex. VAT Add to basket Quick view icon pH 1 000 Millesimal Buffer Solution 25 x 20 mL sachets £49.90 ex. VAT Add to basket Quick view icon pH 1 68 Technical Buffer Solutions 500ml – 0 01 pH Certificate £38.70 ex. VAT Add to basket