Sigma-Aldrich
GUAIYL ACETATE
Hafnium carbide
Hamilton?FoodTrode lab pH electrode
Hamilton?Liq-Glass lab pH electrode
Hamilton?SlimTrode lab pH electrode
Haploperoside E
Hastelloy?B-3 alloy, Ni65Mo28.5Cr1.5Fe1.5(Co+Mn+W)3.5max
Hastelloy?C276-heat resisting alloy, Ni57Mo17Cr16FeWMn