Technical Resources

Thirty Questions Before You Qualify a Bile Acid...

Qualification is not a form. It is a sequence of questions whose answers either hold together or do not. This list is the one we would want a customer to...

Thirty Questions Before You Qualify a Bile Acid...

Qualification is not a form. It is a sequence of questions whose answers either hold together or do not. This list is the one we would want a customer to...

Non-Conforming Material: Return, Replace or Dow...

A failed batch has three exits. Two of them are administrative. The third changes what the material is, and it requires a specification the material actually meets, in a market...

Non-Conforming Material: Return, Replace or Dow...

A failed batch has three exits. Two of them are administrative. The third changes what the material is, and it requires a specification the material actually meets, in a market...

The Six Things a Technical Confirmation Email M...

A confirmation email is a technical document that will be read as a commitment. The six statements below decide whether it can be relied on, and four of them are...

The Six Things a Technical Confirmation Email M...

A confirmation email is a technical document that will be read as a commitment. The six statements below decide whether it can be relied on, and four of them are...

Appearance Defects: Judging Colour Against a Re...

A colour description without a reference standard and a stated light source is not a result. It is a remark, and it is the remark most likely to start a...

Appearance Defects: Judging Colour Against a Re...

A colour description without a reference standard and a stated light source is not a result. It is a remark, and it is the remark most likely to start a...

Acceptance Criteria: Whether They Came From Dat...

A limit is a decision about risk and should be traceable to something. When it traces only to a previous certificate, the specification records what happened rather than what is...

Acceptance Criteria: Whether They Came From Dat...

A limit is a decision about risk and should be traceable to something. When it traces only to a previous certificate, the specification records what happened rather than what is...

Why Two Laboratories Disagree by More Than Thei...

The plus or minus on a result is usually inherited, rarely calculated and almost never itemised. Where it comes from decides whether a borderline batch is actually borderline. 

Why Two Laboratories Disagree by More Than Thei...

The plus or minus on a result is usually inherited, rarely calculated and almost never itemised. Where it comes from decides whether a borderline batch is actually borderline.