hydrogen
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101963 Supelco酒石酸氫鉀 (Potassium hydrogen tartrate)
Potassium hydrogen tartrate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 3.63₉ / pH(S) = 3.55₇ (25°C) Certipur®.
101965 Supelco鄰-苯二甲酸氫鉀 (Potassium hydrogen phthalate)
Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 4.00₅ (25°C) Certipur®. CAS 877-24-7, pH 4.0 (50 g/l, H₂O, 20 °C).
101962 Supelco碳酸氫鈉/碳酸鈉 (Sodium hydrogen carbonate/sodium carbonate)
認證二級標準品，用於酸鹼度測定；可追溯至NIST/PTB之標準參考物質。 pH(S) = 10.01₂ (25°C) Certipur®
106559 Supelco無水磷酸氫二鈉 (di-Sodium hydrogen phosphate anhydrous)
GR for analysis particle size about 0.2-1 mm (~18-80 mesh ASTM) EMSURE®
109439 Supelco緩衝液 (Buffer solution)
(di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®
107298 Supelco過氧化氫 30% (Hydrogen peroxide 30%)
Suprapur®
137013 SAFC碳酸氫鈉 (Sodium hydrogen carbonate)
EMPROVE® EXPERT Ph Eur,BP,ChP,USP,JP
818856 Sigma-Aldrich溴化氫 (Hydrogen bromide)
(32% solution in acetic acid) for synthesis
107294 Supelco緩衝液 (Buffer solution)
(磷酸氫二鈉/磷酸氫鉀)，可追溯NIST和PTB之標準參考物質。 pH 6.88 (20° C) Certipur®
822287 Sigma-Aldrich過氧化氫 30% (Hydrogen peroxide 30%)
(stabilized) for synthesis
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