Sponge Cake – Proximates, 10ml

2-Methyl-1,2-benzisothiazolin-3-one, 25mg

d4 C28 alpha alpha alpha (20R)/C29 alpha alpha alpha (20R)-Methyl/Ethylcholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Method 200.8 / 1638 / 1640 Internal Standard, in 2%-HNO3/Water, 4x25ml