Geochemistry Guide 2026

GE_ICP21B20 & GE_IMS21B20 AQUA REGIA DIGESTION / COMBINED ICP-OES AND ICP-MS PACKAGE Ag 0.01 - 100 ppm Hg 0.01 - 100 ppm Sc

GE_ICP40Q12 FOUR ACID DIGESTION / ICP-OES PACKAGE Ag 2 - 100 ppm Fe

S

0.005 - 10%

0.1 - 10,000 ppm 1 - 1,000 ppm 0.2 - 1,000 ppm 0.5 - 10,000 ppm 0.01 - 10,000 ppm 0.02 - 10,000 ppm 0.05 - 1,000 ppm 0.05 - 10,000 ppm

0.01 - 10% 0.01 - 15%

In

Se Sn Sr Ta Tb Te Th Ti TI U V W

K

Sb Sc Sn

AI

0.005 - 15%

0.005 - 500 ppm

AI

0.01 - 15%

5 - 10,000 ppm 0.5 - 10,000 ppm 10 - 10,000 ppm 0.5 - 10,000 ppm

K

La

As 1 - 10,000 ppm Ba 2 - 10,000 ppm Be 0.05 - 100 ppm

0.005 - 15%

As 3 - 10,000 ppm Ba 1 - 10,000 ppm Be 0.5 - 2500 ppm

0.5 - 10,000 ppm 1 - 10,000 ppm

La

Li

0.1 - 10,000 ppm 0.5 - 10,000 ppm 0.01 - 1,000 ppm

Li

Mg Mn Mo

Sr

0.002 - 15%

Lu

Ti

Bi

0.01 - 10,000 ppm

Bi

5 - 10,000 ppm

2 - 10,000 ppm 1 - 10,000 ppm

0.001 - 15%

Mg Mn Mo Na Nb

V

Ca 0.002 - 15%

0.001 - 15%

Ca 0.005 - 15% Cd 1 - 10,000 ppm Co 1 - 10,000 ppm

2 - 10,000 ppm 10 - 10,000 ppm 0.5 - 10,000 ppm 1 - 10,000 ppm 0.5 - 10,000 ppm

Na

W

Cd 0.01 - 10,000 ppm Ce 0.02 - 1,000 ppm Co 0.1 - 10,000 ppm

2 - 10,000 ppm

0.005 - 15%

Ni

Y

0.05 - 10,000 ppm

0.001 - 15 %

1 - 10,000 ppm

P

Zn

0.005 - 15%

0.02 - 10,000 ppm 0.05 - 10,000 ppm

Cr

1 - 10,000 ppm

0.001 - 15%

Pb

Zr

Cr Cs Cu Fe Ga Ge

1 - 10,000 ppm 0.05 - 1,000 ppm 0.5 - 10,000 ppm

0.05 - 10,000 ppm 0.2 - 10,000 ppm

Cu 0.5 - 10,000 ppm

2 - 10,000 ppm

Ni

1 - 10,000 ppm

Additional elements are available on request.

P

0.003 - 15%

0.05 - 10,000 ppm 0.05 - 10,000 ppm 0.1 - 100 ppm 1 - 10,000 ppm 0.5 - 10,000 ppm

Pb Rb

Y

0.01 - 15%

0.2 - 10,000 ppm 0.05 - 10,000 ppm

GE_ICP40Q12 & GE_IMS40Q12 FOUR ACID DIGESTION / COMBINED ICP-OES AND ICP-MS PACKAGE Ag 0.02 - 100 ppm K 0.01 - 15% Sn

Yb Zn

0.1 - 10,000 ppm 0.1 - 10,000 ppm 0.05 - 500 ppm

0.2 - 10,000 ppm 0.5 - 10,000 ppm 0.05 - 10,000 ppm 0.05 - 10,000 ppm 0.05 - 1,000 ppm 0.01 - 10,000 ppm

S

0.01 - 5%

La

Sr Ta Tb Te Th Ti TI U W

AI

0.01 - 15%

0.05 - 10,000 ppm 0.2 - 10,000 ppm 0.01 - 1,000 ppm

Hf

Sb

Zr

0.05 - 10,000 ppm

Li

As 1 - 10,000 ppm Ba 1 - 10,000 ppm Be 0.05 - 2,500 ppm

Lu

GO_ICP21B100 AQUA REGIA DIGESTION FOR OVER RANGE ELEMENTS / ICP-OES Ag 0.001 - 0.1% Cu 0.01 - 30%

Mg Mn Mo Na Nb

0.002 - 15%

Ni

0.001 - 10% 0.001 - 10% 0.01 - 30% 0.01 - 10%

Bi

0.01 - 10,000 ppm

2 - 10,000 ppm

Fe

Pb

As 0.01 - 10% Cd 0.001 - 10% Co 0.001 - 10%

0.01 - 30% 0.01 - 10% 0.001 - 10%

Ca 0.005 - 15%

0.05 - 10,000 ppm

0.001 - 15%

Mn Mo

S

Cd 0.02 - 10,000 ppm Ce 0.05 - 1,000 ppm Co 0.1 - 10,000 ppm

0.005 - 15%

0.02 - 10,000 ppm 0.05 - 10,000 ppm 0.1 - 10,000 ppm 0.1 - 10,000 ppm 2 - 10,000 ppm 0.1 - 1,000 ppm 1 - 10,000 ppm 0.5 - 10,000 ppm

Zn

0.1 - 1,000 ppm

P

0.001 - 15%

Pb

Y V

Cr Cs Cu Fe Ga Hf

1 - 10,000 ppm 0.05 - 1,000 ppm 0.5 - 1,000 ppm

0.5 - 10,000 ppm 1 - 10,000 ppm 0.1 - 10,000 ppm

GE_HAS21B20 TWO ACID / AQUA REGIA DIGESTION / HYDRIDE AAS PACKAGE As 0.1 - 500 ppm Sb 0.1 - 500 ppm

Ni

Te

0.1 - 500 ppm

Rb

Yb Zn

Se

Bi

0.1 - 500 ppm

0.1 - 500 ppm

S

0.01 - 15%

0.005 - 5%

Sb Sc Se

Zr

0.05 - 1,000 ppm 0.02 - 500 ppm 0.005 - 500 ppm

0.05 - 10,000 ppm 0.1 - 10,000 ppm

Multi-acid digests Multi-acid (Four acid) digestion is a very effective dissolution procedure for a large number of mineral species and is suitable for a wide range of elements. Multi-acid digestion uses a combination of HNO3 (nitric acid), HF (hydrofluoric acid), HClO4 (perchloric acid) and HCl (hydrochloric acid). Because hydrofluoric acid dissolves silicate minerals, these digestions are often referred to as “near-total digestions”. Lower and upper limit can vary slightly among SGS laboratories because some laboratories may not have access to high purity reagents and consumables. Please contact your SGS customer service agent to receive the reporting limits you need. Refractory minerals such as oxides have limited solubility in multi-acid (Four acid) digestions. Often elements can precipitate or volatilize during digestion. These factors can compromise analytical results for Al, As, Ba, Cr, Hf, Mo, Mn, Nb, Pb, Sb, Se, Sn, Te, Th, Ti, Ta, U, W, Zr and rare earth elements in some sample types.

In

1 - 1,000 ppm

GO_ICP42Q100 ACID DIGESTION FOR OVER RANGE ELEMENTS / ICP-OES Ag 0.005 - 0.1% Cu 0.01 - 30%

Ni

0.001 - 10% 0.01 - 30% 0.01 - 10% 0.01 - 30%

Fe

Pb

AI

0.1 - 30%

0.1 - 30% 0.01 - 10% 0.1 - 30% 0.001 - 10% 0.001 - 10%

Li

S

As 0.01 - 10% Ca 0.1 - 30%

Mg Mn Mo

Zn

Cd Co

0.001 - 10% 0.001 - 10%

Additional elements are available on request.

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