The concentrations of n-decane and n-tetracontane may vary slightly from batch to batch. According to DIN EN ISO 9377-2, the prescribed concentration is approximately 20 mg/L in heptane for n-tetracontane and approximately 15 mg/L in heptane for n-decane. This standard is primarily used for identifying the gas chromatography retention time window for hydrocarbons between n-decane and n-tetracontane, and the exact concentrations are not quantified for each batch.
49574
Extraction Medium Stock Solution
acc. to DIN EN ISO 9377-2
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About This Item
UNSPSC Code:
41113319
EC Number:
205-563-8
NACRES:
NA.21
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grade
analytical standard
shelf life
limited shelf life, expiry date on the label
application(s)
environmental
Quality Level
Related Categories
Physical form
contains n-Decane und n-Tetracontane as internal standard, in n-Heptane
signalword
Danger
hcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Central nervous system
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
24.8 °F - closed cup
flash_point_c
-4 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Quali sono le concentrazioni in mg/L di n decano e n tetracontano?
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