化学试剂 二水合磷酸二氢钠(磷酸二氢钠)
Chemical reagent-Sodium dihydrogen phosphate dihydrate
Chemical reagent-Sodium dihydrogen phosphate dihydrate
Chemical reagent-Sodium chloride
Chemical reagent-Sodium bromide
Chemical reagent Sodium fluoride
Chemical reagent-nDisodium hydrogen phosphate dodecahydrate
Chemical reagent-Ethyl acetate
Chemical reagent-Diethyl ether
Rubber-or plastics-coated fabricsDetermination of crush resistance
Plastics coated fabrics-Polyvinyl chloridecoatings-Rapid method for checking fusion
Plastics-lon exchange resin-Determination for the rate ofsphericity after osmotic-attrition and attrition