PRODUCT INFORMATION
产品信息
Description
Application Suitable for the following instruments of Büchi Labortechnik AG:
KjelFlex K-360, AutoKjeldahl-System K-370 and Kjeldahl Sampler-System K-370/371, Distillation Units K-350, K-355, B-324
Caution Store at room temperature. We recommend to purge with dried argon or nitrogen after first use to exclude humidity.
性质
grade analytical standard
description traceable to NIST SRM 194
assay ≥99.5% (T)
shelf life (limited shelf life, expiry date on the label)
total impurities 12.18%±0.10% total Kjeldahl nitrogen
loss ≤0.2% loss on drying
pH 3.8-4.4 (25 °C, 50 mg/mL in H2O)
mp 190 °C (dec.)(lit.)
solubility H2O: soluble, clear, colorless
安全性
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
WGK Germany 1
Application Suitable for the following instruments of Büchi Labortechnik AG:
KjelFlex K-360, AutoKjeldahl-System K-370 and Kjeldahl Sampler-System K-370/371, Distillation Units K-350, K-355, B-324
Caution Store at room temperature. We recommend to purge with dried argon or nitrogen after first use to exclude humidity.
性质
grade analytical standard
description traceable to NIST SRM 194
assay ≥99.5% (T)
shelf life (limited shelf life, expiry date on the label)
total impurities 12.18%±0.10% total Kjeldahl nitrogen
loss ≤0.2% loss on drying
pH 3.8-4.4 (25 °C, 50 mg/mL in H2O)
mp 190 °C (dec.)(lit.)
solubility H2O: soluble, clear, colorless
安全性
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
WGK Germany 1