Home Buy Online Quality Control and Test Kits pH Testing pH Buffer CAL STD Buffer pH 6.86 +/- 0.05 @ 20Deg C 500ml Buffer pH 6.86 +/- 0.05 @ 20Deg C 500ml£21.23 ex. VAT Buffer pH 6.86 +/- 0.05 @ 20Deg C 500ml Available on back-order Buffer pH 6.86 +/- 0.05 @ 20Deg C 500ml quantity Add to basket WishlistWishlist SKU: SB-154-1610 Category: pH Buffer CAL STDGuaranteed Safe Checkout Related products Quick view icon pH 2 01 Technical Buffer solution 1 Litre Cert £40.75 ex. VAT Add to basket Quick view icon pH 7 01 Technical Buffer Solution 500ml – 0 01 pH box certificate £24.45 ex. VAT Add to basket Quick view icon pH 1 68 Technical Buffer Solution 25 x 20ml sachets – 0 01 pH Certificate £39.75 ex. VAT Add to basket Quick view icon pH 1 00 Technical Buffer Solution 0 01 pH £24.45 ex. VAT Add to basket