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 6 86 Buffer Solution 500 mL bottle £24.45 ex. VAT Add to basket Quick view icon pH buffer solution 10 01 1 litre bottle £29.55 ex. VAT Add to basket Quick view icon pH buffer solution 4 01 500ml bottle with certificate £25.45 ex. VAT Add to basket Quick view icon Combination pH EC Buffer Kit 1413 uS cm 7 01 pH Certificate of Analysis £37.70 ex. VAT Add to basket