slope

slope (In French pente) lead factor that can be set in filter densitometers with which the measured density can be multiplied to compensate for deviations between several devices or devices from different manufacturers. To avoid this dubious trick, it is recommended that devices from one and the same manufacturer should be used. Modern spectrodensitometers have such low manufacturing tolerances (Techkon e.g. 0.01 density units or ΔE*ab 0.3) that this function is no longer offered.