Code

Description

Unit

NIST-194a

Ammonium dihydrogen phosphate

90 g

BCR-179

Urea fertilizer - Composition

100 g

BCR-114

Potassium sulphate (fertilizer) - Elemental composition

100 g

BCR-113

Potassium chloride (fertilizer) - Elemental composition

100 g

BCR-033

Super-phosphate (fertilizer) - Constituents

100 g

NIST-695

Multi-nutrient fertilizer - Elements

70 g

NIST-694

Phosphate rock, western (fertilizer) - Constituents

90 g

NIST-200b

Potassium dihydrogen phosphate (fertilizer) - Phosphorous and potassium

90 g

NIST-120c

Phosphate rock, Florida (fertilizer) - Constitutents

90 g