[{"data":1,"prerenderedAt":204},["ShallowReactive",2],{"guides-en-US-green-coffee-samples-and-sample-roasting":3},{"kind":4,"guide":5,"categorySlugs":196},"guide",{"key":6,"slug":6,"category":7,"order":8,"schema":9,"title":10,"seoTitle":11,"description":12,"excerpt":13,"keywords":14,"published":22,"updated":22,"readingMinutes":23,"cover":24,"related":27,"body":51,"faq":105,"products":112,"sources":125,"locale":130,"sourceHash":131,"translated":132,"paths":133,"slugMap":140,"categorySlug":195},"green-coffee-samples-and-sample-roasting","green-coffee",44,"HowTo","Green coffee samples: offer, pre-shipment and arrival","Green Coffee Samples and Sample Roasting","How green coffee samples work: offer, pre-shipment and arrival samples, sample roasting to a standard, blind cupping, record keeping and quality claims.","Three samples protect a green coffee purchase: the offer sample you choose from, the pre-shipment sample you approve, and the arrival sample you check against it. How to roast, cup and record each.",{"primary":15,"secondary":16,"intent":21},"green coffee samples",[17,18,19,20],"sample roasting coffee","pre-shipment sample coffee","arrival sample coffee","sample roaster","informational","2026-10-09",7,{"figure":25,"kicker":26},"PSS","Samples",[28,36,44],{"key":29,"slug":29,"category":7,"title":30,"excerpt":31,"readingMinutes":32,"updated":22,"cover":33},"grading-and-cupping-green-coffee","Grading and cupping green coffee before you buy","A buying decision needs two kinds of evidence: what the green coffee looks like in your hand, and how it tastes on the table. A practical grading and cupping routine for roasters.",8,{"figure":34,"kicker":35},"350 g","Grading",{"key":37,"slug":37,"category":7,"title":38,"excerpt":39,"readingMinutes":40,"updated":22,"cover":41},"how-to-buy-green-coffee","How to buy green coffee for a roastery","From the first sample request to the sacks on your floor: where green coffee comes from, how much to buy, how prices are set, and the checks that stop you paying for a disappointing lot.",9,{"figure":42,"kicker":43},"Spot","Green coffee",{"key":45,"slug":45,"category":7,"title":46,"excerpt":47,"readingMinutes":32,"updated":22,"cover":48},"green-coffee-contracts-and-incoterms","Green coffee contracts and Incoterms, explained for roasters","A green coffee contract decides the price, the quality you are entitled to, when you pay and where the risk passes to you. The clauses that matter and the Incoterms you will meet.",{"figure":49,"kicker":50},"FOB","Contracts",[52,54,56,75,77,79,89,91,93,95,97],{"p":53},"Samples are how the green coffee trade agrees what is being sold. The coffee you roast in six months must match the coffee you tasted today, and the only evidence is a sample, roasted and cupped in a consistent way and recorded.",{"h2":55},"The three samples",{"table":57},{"head":58,"rows":62},[59,60,61],"Sample","When","Purpose",[63,67,71],[64,65,66],"Offer or type sample","When a supplier offers lots","Choose what to buy; typically a few hundred grams",[68,69,70],"Pre-shipment sample (PSS)","Drawn from the actual lot before it ships","Approve the lot; the contract usually says delivery must match it",[72,73,74],"Arrival sample","Drawn from the sacks when they land","Check the delivered coffee matches the approved PSS, and its condition after transit",{"p":76},"For spot coffee already in a UK warehouse, the offer sample is drawn from the landed lot, so it serves as the arrival sample too. Ask for the lot reference so you are sure it is the coffee you will receive.",{"h2":78},"Sample roasting, step by step",{"ol":80,"steps":88},[81,82,83,84,85,86,87],"Log each sample on arrival: supplier, lot reference, origin, process, date received, weight.","Measure moisture (and water activity and density if you can) on the green. See [moisture and density](guide:green-coffee-moisture-and-density).","Roast each sample to the same standard: a light-medium roast in a set time range. Cupping protocols such as the SCA's specify a roast of roughly 8 to 12 minutes to a light-medium color.","Record the roast: charge weight, time, end temperature, and color if you have a meter.","Rest the samples, then cup them within the protocol's window, blind and side by side with a reference coffee.","Score and note them, and record the decision: approved, rejected, or held for comparison.","Keep a retained sample of the approved green, sealed and labeled, until the coffee has been delivered and roasted.",true,{"h2":90},"Sample roasters",{"p":92},"A dedicated sample roaster roasts 100 g to a few hundred grams at a time, often with several barrels running together. It saves production batches and green coffee, and it gives repeatable results when you follow a fixed method. Some roasteries sample roast on a small production machine, which works if the method is consistent.",{"h2":94},"When the arrival sample does not match",{"p":96},"Cup the arrival sample against your retained, approved PSS. If it is clearly different, or shows defects such as mustiness, contact the supplier at once, within the contract's claim period, with your notes and samples. Do not roast the lot for customers until it is resolved.",{"checklist":98,"title":104},[99,100,101,102,103],"Every sample logged with its lot reference","One consistent sample roast method, written down","Blind cupping with a reference coffee","Approved samples retained until the lot is used","Claim period noted for every contract","Sample discipline",[106,109],{"q":107,"a":108},"How much green coffee do I need for a sample roast?","Commonly 100 g to 300 g per sample, depending on your sample roaster and how many cups you set.",{"q":110,"a":111},"Are green coffee samples free?","Suppliers often send small samples free to established buyers; some charge, or charge postage. Arrival and pre-shipment samples are part of normal trade practice.",[113,117,121],{"target":114,"label":115,"note":116},"page:sample-management","Sample management","Every sample from request to approval, with roasts and cupping notes.",{"target":118,"label":119,"note":120},"market:buy","Free samples on the Roastnet market","Request samples of origin and roaster lots.",{"target":122,"label":123,"note":124},"page:factory","Sample roast logs","Log sample roasts on the same app as production.",[126],{"name":127,"title":128,"url":129},"Specialty Coffee Association","Cupping 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