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Pre-sealing is done under strict hygienic conditions
N-HydroxyMDA hydrochloride
Nitrite-Nitrogen Single-Element Ion Anion Standard
Manganese 1000 mg/l for ICP-MS
1000ug/mL SULFUR 30mL
Derivatization reagents for GC, acylation, MBTFA ICP-068 Pre-sealing is done under strictBisacylamides like MBTFA create corresponding neutral acylamides, which can be easily removed due to their high volatility. Due to neutral conditions and favourable chromatographic properties often removal of the acylamide is not necessary. Thus sample preparation is much more convenient. Acylation with MBTFA also forms very volatile derivatives with carbohydrates. These products contain harmful substances which must be specially labeled as hazardous.
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