美國NIST標準品 SRM 2175  Refractory Alloy MP-35-Nmp-35-n 耐火合金  150g
SRM 2181  HEPES Free AcidHEPES 游離酸  60g
SRM 2182  NaHEPESate  60g
SRM 2183  MOPSO Free Acid  50g
SRM 2184  NaMOPSOate  50g
SRM 2185  Pot. Hydrogen Phthalate Pot.鄰苯二甲酸酯  60g
SRM 2186i  Potassium Dihydrogen Phosphate磷酸二氫鉀 30g
SRM 2186II  Disodium Hydrogen Phosphate磷酸氫二鈉 30g
SRM 2191a  Sodium Bicarbonate  30g
SRM 2192a  Sodium Carbonate  30g
SRM 2193a  Calcium Carbonate pH Standard碳酸鈣標準  30g
SRM 2201  Sodium Chloride (Ion-Selective)氯化鈉(離子選擇性)  125g
SRM 2203  Potassium Fluoride (Ion-Selective Electrodes)氟化鉀(離子選擇性電極)  125g
SRM 2206  Controlled Pore Glass - BET Specific Surface Area (300 nm)可控孔徑玻璃-特定的表面積(300納米)  5g
SRM 2207  Controlled Pore Glass - BET Specific Surface Area (Nominal Pore Diameter 18 nm)可控孔徑玻璃-特定的表面積(18納米)  5g
SRM 2214  Isooctane Liquid Density異辛烷液密度  4x5mL