{"id":277,"date":"2026-03-11T00:37:35","date_gmt":"2026-03-10T23:37:35","guid":{"rendered":"https:\/\/ywah31ddaa.31.sub-site.eu\/product\/krijt-100-gram\/"},"modified":"2026-05-07T11:28:11","modified_gmt":"2026-05-07T09:28:11","slug":"chalk","status":"publish","type":"product","link":"https:\/\/spelenmetchemie.com\/en\/product\/krijt\/","title":{"rendered":"Chalk (100\/200 grams)"},"content":{"rendered":"<p>Fijngemalen krijt \u2014 chemisch gezien calciumcarbonaat (CaCO\u2083) \u2014 is een onmisbare basisstof in onze workshops. Het is mild schurend, perfect oplosbaar in zwakke zuren en daarmee ideaal voor experimenten en zelfgemaakte cosmetica.<\/p>\n<p>Krijt is het hoofdingredi\u00ebnt van zelfgemaakte tandpasta (waar het zorgt voor het reinigend effect), wordt gebruikt in badzout en is geliefd in talloze chemiedemonstraties \u2014 van bruisreacties met citroenzuur tot kalkkringloop-experimenten.<\/p>\n<p>Kies een potje van 100 gram voor een paar recepten of een voordelig potje van 200 gram voor klassen en meerdere workshops.<\/p>","protected":false},"excerpt":{"rendered":"<p>Finely ground chalk (calcium carbonate) - basic ingredient for homemade toothpaste, bath salts and countless chemistry experiments in the classroom or at a children's party.<\/p>","protected":false},"featured_media":158,"template":"","meta":[],"product_brand":[],"product_cat":[56],"product_tag":[86,84,66,85,26,27,70,62,63],"class_list":["post-277","product","type-product","status-publish","has-post-thumbnail","product_cat-stoffen","product_tag-badzout-maken","product_tag-calciumcarbonaat","product_tag-grondstof","product_tag-krijt","product_tag-scheikunde-workshop","product_tag-spelen-met-chemie","product_tag-tandpasta-maken","product_tag-workshop-ingredient","product_tag-zelf-maken","first","instock","taxable","shipping-taxable","purchasable","product-type-variable"],"tiered_pricing_type":"fixed","tiered_pricing_fixed_rules":[],"tiered_pricing_product_settings":{"layout":"default","base_unit_name":{"singular":null,"plural":null},"default_variation":null},"tiered_pricing_minimum_quantity":null,"tiered_pricing_roles_data":[],"tiered_pricing_percentage_rules":[],"_links":{"self":[{"href":"https:\/\/spelenmetchemie.com\/en\/wp-json\/wp\/v2\/product\/277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spelenmetchemie.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/spelenmetchemie.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spelenmetchemie.com\/en\/wp-json\/wp\/v2\/media\/158"}],"wp:attachment":[{"href":"https:\/\/spelenmetchemie.com\/en\/wp-json\/wp\/v2\/media?parent=277"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/spelenmetchemie.com\/en\/wp-json\/wp\/v2\/product_brand?post=277"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/spelenmetchemie.com\/en\/wp-json\/wp\/v2\/product_cat?post=277"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/spelenmetchemie.com\/en\/wp-json\/wp\/v2\/product_tag?post=277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}