Table 6: Specific refractive index increments re-calculated from "serum protein" scales.

Manufacturer/brand

Model

ATC

Low RI

High RI

dn/dc (calc.)

Atago [38]

Master SUR/Na

Yes

1.3365 (0%) a)

1.3575 (12%)

0.000175

Reichert [39]

Goldberg TS

Yes

1.3400 (3%)

1.3634 (15%)

0.000195

Reichert [40]

TS-400

Yes

1.3357 (0%)

1.3564 (11.5%)

0.000180

Sper Scientific [41]

300005

No

1.3349 (0%)

1.3581 (12%)

0.000193

Bellingham & Stanley [42]

E-line veterinary b)

Yes

1.3367 (0%)

1.3540 (9%)

0.000192

Teckoplus [43]

RETK-70

Yes

1.3350 (0%)

1.3582 (12%)

0.000193

Refractometer. Eu

RUR-2

Yes

1.3353 (0%)

1.3588 (12%)

0.000196

Dr. Richter

N/A b)

Yes

1.3366 (0%)

1.3571 (12%)

0.000171

Arcarda

REF312 b)

Yes

1.3366 (0%)

1.3584 (12%)

0.000190

TC

THC-200 b)

Yes

1.3365 (0%)

1.3570 (12%)

0.000171

Remarks: The abbreviation ATC and N/A stand for automatic temperature compensation and not available, respectively: a) Numbers in brackets represent the approximate representative serum protein concentrations; b) Denotes a veterinary instrument.