This specification covers reusable Sahli hemoglobin pipets. The pipets shall be made of common spirit bore white back tubing. Pipet design shall be straight and of one-piece construction. Pipet delivery tips shall be made with a gradual or concave taper. Pipet dimensions shall be within tolerance limit indicated in this specification. The pipet shall have markings which include graduation line, volumetric designation, identification, and capacity deviation. Testing methods include capacity test, capacity deviation, pigmentation test, and strain free test.

1.1 This specification covers reusable pipets calibrated “to contain” 20 cmm of whole blood and used for hemoglobin determinations.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.