Code

Description

Unit

IAEA-310

15N labelled urea (Inorganic , Pure Substance)

2 x 0,1 g

IAEA-305

15N labelled ammonium sulfate (Inorganic , Pure Substance)

2 x 0,1 g

NSVEC

Nitrogen Gas-N2

ea

USGS26

Ammonium Sulfate

ea

USGS25

Ammonium Sulfate

ea

USGS35

Sodium Nitrate

0,5 g

USGS32

Potassium Nitrate

0,5 g

IAEA-NO-3

Potassium Nitrate (Inorganic , Pure Substance)

0,5 g

IAEA-N-2

Ammonium Sulfate (Inorganic , Pure Substance)

0,5 g

IAEA-N-1

Ammonium Sulfate (Inorganic , Pure Substance)

0,5 g